Checklist of the Vascular Plants of Oregon

Checklist of theVascular Plants of

Oregon(excluding grasses and allies

ACERACEAEAcer circinatum Pursh vine mapleAcer glabrum Torr. Rocky Mountain mapleAcer glabrum var. douglasii (Hook.) Dippel Douglas mapleAcer macrophyllum Pursh bigleaf mapleAcer negundo L. boxelderAcer negundo var. negundo L. boxelder

ACORACEAEAcorus americanus (Raf.) Raf. sweetflagAcorus calamus auct. non L. = Acorus americanusAcorus calamus var. americanus (Raf.) H.D. Wulff. = Acorus americanus

AIZOACEAEAptenia cordifolia (L. f.) Schwant. heartleaf iceplantCarpobrotus aequilateralus (Haw.) N.E. Br. baby sunroseMesembryanthemum cordifolium L. f. = Aptenia cordifoliaSesuvium verrucosum Raf. verrucose seapurslane

ALISMATACEAEAlisma geyeri Torr. = Alisma gramineumAlisma gramineum Lej. narrowleaf water plantainAlisma lanceolatum Withering lanceleaf water plantainAlisma plantago-aquatica = Alisma trivialeAlisma triviale Pursh

OREGON FLORA Checklist

northern water plantainMachaerocarpus californicus (Torr. ex Benth.) Small California damsoniumSagittaria calycina Engelm. hooded arrowheadSagittaria calycina var. calycina Engelm. hooded arrowheadSagittaria cuneata Sheldon arumleaf arrowheadSagittaria latifolia Willd. broadleaf arrowheadSagittaria latifolia var. latifolia Willd. broadleaf arrowhead

AMARANTHACEAEAmaranthus albus L. prostrate pigweedAmaranthus blitoides S. Wats. mat amaranthAmaranthus californicus (Moq.) S. Wats. California amaranthAmaranthus cruentus L. red amaranthAmaranthus deflexus L. largefruit amaranthAmaranthus retroflexus L. redroot amaranth

ANACARDIACEAERhus diversiloba Torr. & Gray = Toxicodendron diversilobumRhus glabra L. smooth sumacRhus trilobata Nutt. skunkbush sumacRhus trilobata var. simplicifolia (Greene) Barkl. skunkbush sumacRhus trilobata var. trilobata Nutt. skunkbush sumacToxicodendron diversilobum (Torr. & Gray) Greene Pacific poison oakToxicodendron radicans ssp. diversilobum (Torr. & Gray) Thorne = Toxicodendron diversilobum

APOCYNACEAEApocynum X floribundum Greene (pro sp.) intermediate dogbaneApocynum androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium var. androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium var. incanum A. DC. spreading dogbaneApocynum cannabinum L. IndianhempApocynum medium Greene = Apocynum X floribundumApocynum sibiricum Jacq. = Apocynum cannabinumApocynum suksdorfii Greene = Apocynum cannabinumVinca major L. bigleaf periwinkle

ARACEAELysichiton americanus Hulten & St. John American skunkcabbageLysichiton camtschatcensis auct. non (L.) Schott = Lysichiton americanus

ARALIACEAEAralia californica S. Wats. California spikenardEchinopanax horridus (Sm.) Dcne. & Planch. ex H.A.T. Harms = Oplopanax horridusHedera helix L. English ivyOplopanax horridus Miq. devilsclub

ARISTOLOCHIACEAEOREGON FLORA Checklist

Asarum caudatum Lindl. British Columbia wildgingerAsarum caudatum var. caudatum Lindl. British Columbia wildgingerAsarum caudatum var. viridiflorum M.E. Peck longtail wildgingerAsarum hartwegii S. Wats. Hartweg's wildginger

ASCLEPIADACEAEAsclepias cordifolia (Benth.) Jepson heartleaf milkweedAsclepias cryptoceras S. Wats. pallid milkweedAsclepias cryptoceras ssp. davisii (Woods.) Woods. Davis' milkweedAsclepias fascicularis Dcne. Mexican whorled milkweedAsclepias speciosa Torr. showy milkweedAsclepias syriaca L. common milkweed

ASPLENIACEAEAsplenium septentrionale (L.) Hoffmann forked spleenwortAsplenium trichomanes L. maidenhair spleenwortAsplenium trichomanes-ramosum L. brightgreen spleenwort

AZOLLACEAEAzolla filiculoides Lam. Pacific azolla

BALSAMINACEAEImpatiens aurella Rydb. paleyellow touchmenotImpatiens capensis Meerb. jewelweedImpatiens ecalcarata Blank. spurless touchmenot

Impatiens glandulifera Royle ornamental jewelweedImpatiens noli-tangere L. western touchmenot

BERBERIDACEAEAchlys triphylla (Sm.) DC. sweet after deathBerberis aquifolium Pursh = Mahonia aquifoliumBerberis nervosa Pursh = Mahonia nervosa var. nervosaBerberis pinnata Lag. = Mahonia pinnata ssp. pinnataBerberis repens Lindl. = Mahonia repensMahonia aquifolium (Pursh) Nutt. hollyleaved barberryMahonia nervosa (Pursh) Nutt. Cascade OregongrapeMahonia nervosa var. nervosa (Pursh) Nutt. cascade OregongrapeMahonia pinnata (Lag.) Fedde wavyleaf OregongrapeMahonia pinnata ssp. pinnata (Lag.) Fedde California barberryMahonia repens (Lindl.) G. Don OregongrapeVancouveria Morr. & Dcne. vancouveriaVancouveria chrysantha Greene golden insideout flowerVancouveria hexandra (Hook.) Morr. & Dcne. white insideout flowerVancouveria planipetala Calloni redwood insideout flower

BETULACEAEAlnus incana (L.) Moench mountain alderAlnus incana ssp. tenuifolia (Nutt.) Breitung thinleaf alderAlnus rhombifolia Nutt. white alder


Alnus rubra Bong. red alderAlnus viridis (Vill.) Lam. & DC. sitka alderAlnus viridis ssp. sinuata (Regel) A.& D. Love Sitka alderBetula X utahensis Britt. (pro sp.) northwestern paper birchBetula nana L. bog birchBetula occidentalis Hook. water birchBetula papyrifera Marsh. paper birchBetula papyrifera var. commutata (Regel) Fern. western paper birchBetula pumila L. swamp birchBetula pumila var. glandulifera Regel glandulose birchCorylus cornuta Marsh. beaked hazelnutCorylus cornuta var. californica (A. DC.) Sharp California hazelnut

BLECHNACEAEBlechnum spicant (L.) Roth deer fernWoodwardia fimbriata Sm. giant chainfern

BORAGINACEAEAmsinckia carinata A. Nels. & J.F. Macbr. Malheur Valley fiddleneckAmsinckia intermedia Fisch. & C.A. Mey. = Amsinckia menziesii var. intermediaAmsinckia lycopsoides Lehm. tarweed fiddleneckAmsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. Menzies' fiddleneckAmsinckia menziesii var. intermedia (Fisch & C.A. Mey.) GandersAmsinckia menziesii var. menziesii (Lehm.) A. Nels. & J.F. Macbr.Amsinckia spectabilis Fisch. & C.A. Mey.

woolly breechesAmsinckia tessellata Gray bristly fiddleneckAnchusa arvensis (L.) Bieb. small buglossAnchusa azurea P. Mill. Italian buglossAnchusa officinalis L. common buglossArgusia Boehmer sea rosemaryArgusia sibirica (L.) Dandy Siberian sea rosemaryAsperugo procumbens L. madwortBorago officinalis L. common borageBuglossoides arvensis (L.) I.M. Johnston corn gromwellCryptantha Lehm. ex G. Don cryptanthaCryptantha affinis (Gray) Greene quill catseyeCryptantha ambigua (Gray) Greene basin catseyeCryptantha celosioides (Eastw.) Payson buttecandleCryptantha circumscissa (Hook. & Arn.) I.M. Johnston cushion catseyeCryptantha circumscissa var. circumscissa (Hook. & Arn.) I.M. Johnston cushion catseyeCryptantha echinella Greene prickly catseyeCryptantha fendleri (Gray) Greene sanddune catseyeCryptantha flaccida (Dougl. ex Lehm.) Greene weakstem catseyeCryptantha gracilis Osterhout narrowstem catseyeCryptantha intermedia (Gray) Greene Clearwater catseyeCryptantha leiocarpa (Fisch. & C.A. Mey.) Greene coastal catseyeCryptantha micrantha (Torr.) I.M. Johnston


redroot catseyeCryptantha micrantha var. micrantha (Torr.) I.M. Johnston redroot catseyeCryptantha milo-bakeri I.M. Johnston Milo Baker's catseyeCryptantha propria (A. Nels. & J.F. Macbr.) Payson Malheur catseyeCryptantha pterocarya (Torr.) Greene wingnut catseyeCryptantha pterocarya var. pterocarya (Torr.) Greene wingnut catseyeCryptantha recurvata Coville curvenut catseyeCryptantha rostellata var. rostellata (Greene) Greene beaked catseyeCryptantha scoparia A. Nels. Pinyon Desert catseyeCryptantha simulans Greene pinewoods catseyeCryptantha sobolifera Payson Waterton Lakes catseyeCryptantha spiculifera (Piper) Payson Snake River catseyeCryptantha thompsonii I.M. Johnston Thompson's catseyeCryptantha torreyana (Gray) Greene Torrey's catseyeCryptantha torreyana var. torreyana (Gray) Greene Torrey's catseyeCryptantha watsonii (Gray) Greene Watson's catseyeCynoglossum grande Dougl. ex Lehm. Pacific hound's tongueCynoglossum occidentale Gray western hound's tongueCynoglossum officinale L. gypsyflowerEritrichium nanum (Vill.) Schrad. ex Gaudin arctic alpine forget me notEritrichium nanum var. aretioides (Cham.) Herder alpine forget me notEritrichium nanum var. elongatum (Rydb.) Cronq. arctic alpine forget me notHackelia californica (Gray) I.M. Johnston California stickseed

Hackelia cronquistii J.L. Gentry Cronquist's stickseedHackelia cusickii (Piper) Brand Cusick's stickseedHackelia diffusa (Lehm.) I.M. Johnston spreading stickseedHackelia diffusa var. cottonii (Piper) R.L. Carr Cotton's stickseedHackelia diffusa var. diffusa (Lehm.) I.M. Johnston spreading stickseedHackelia floribunda (Lehm.) I.M. Johnston manyflower stickseedHackelia hispida (Gray) I.M. Johnston showy stickseedHackelia hispida var. hispida (Gray) I.M. Johnston showy stickseedHackelia micrantha (Eastw.) J.L. Gentry Jessica sticktightHackelia ophiobia R.L. Carr Owyhee River stickseedHackelia patens (Nutt.) I.M. Johnston common stickseedHackelia patens var. patens (Nutt.) I.M. Johnston spotted stickseedHackelia setosa (Piper) I.M. Johnston bristly stickseedHeliotropium curassavicum L. salt heliotropeHeliotropium curassavicum var. obovatum DC. seaside heliotropeLappula occidentalis (S. Wats.) Greene flatspine stickseedLappula occidentalis var. occidentalis (S. Wats.) Greene desert stickseedLappula squarrosa (Retz.) Dumort. European stickseedLithospermum californicum Gray California gromwellLithospermum ruderale Dougl. ex Lehm. western gromwellMertensia bella Piper beautiful bluebellsMertensia ciliata (James ex Torr.) G. Don mountain bluebellsMertensia ciliata var. ciliata (James ex Torr.) G. Don


tall fringe bluebellsMertensia ciliata var. stomatechoides (Kellogg) Jepson tall fringe bluebellsMertensia cusickii Piper Toiyabe bluebellsMertensia longiflora Greene small bluebellsMertensia oblongifolia (Nutt.) G. Don oblongleaf bluebellsMertensia paniculata (Ait.) G. Don tall bluebellsMertensia paniculata var. borealis (J.F. Macbr.) L.O. Williams northern bluebellsMertensia paniculata var. paniculata (Ait.) G. Don tall bluebellsMertensia platyphylla Heller broadleaf bluebellsMertensia platyphylla var. subcordata (Greene) L.O. Williams broadleaf bluebellsMertensia umbratilis Greenm. shade bluebellsMyosotis arvensis (L.) Hill field forget me notMyosotis discolor Pers. changing forget me notMyosotis laxa Lehm. bay forget me notMyosotis macrosperma Engelm. largeseed forget me notMyosotis scorpioides L. true forget me notMyosotis stricta Link ex Roemer & J.A. Schultes strict forget me notMyosotis verna Nutt. spring forget me notOmphalodes linifolia (L.) Moench whiteflower navelwortPectocarya penicillata (Hook. & Arn.) A. DC. sleeping combseedPectocarya pusilla (A. DC.) Gray little combseedPectocarya setosa Gray moth combseedPlagiobothrys austiniae (Greene) I.M. Johnston Austin's popcornflower

Plagiobothrys bracteatus (T.J. Howell) I.M. Johnston bracted popcornflowerPlagiobothrys figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflowerPlagiobothrys figuratus ssp. figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflowerPlagiobothrys fulvus (Hook. & Arn.) I.M. Johnston fulvous popcornflowerPlagiobothrys fulvus var. campestris (Greene) I.M. Johnston fulvous popcornflowerPlagiobothrys glyptocarpus (Piper) I.M. Johnston sculptured popcornflowerPlagiobothrys glyptocarpus var. glyptocarpus (Piper) I.M. Johnston sculptured popcornflowerPlagiobothrys greenei (Gray) I.M. Johnston Greene's popcornflowerPlagiobothrys hirtus (Greene) I.M. Johnston rough popcornflowerPlagiobothrys hispidus Gray Cascade popcornflowerPlagiobothrys kingii (S. Wats.) Gray Great Basin popcornflowerPlagiobothrys kingii var. harknessii (Greene) Jepson Harness' popcornflowerPlagiobothrys leptocladus (Greene) I.M. Johnston finebranched popcornflowerPlagiobothrys mollis (Gray) I.M. Johnston soft popcornflowerPlagiobothrys mollis var. mollis (Gray) I.M. Johnston soft popcornflowerPlagiobothrys nothofulvus (Gray) Gray rusty popcornflowerPlagiobothrys reticulatus (Piper) I.M. Johnston netted popcornflowerPlagiobothrys salsus (Brandeg.) I.M. Johnston salty popcornflowerPlagiobothrys scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflowerPlagiobothrys scouleri var. cusickii (Greene) Higgins Cusick's popcornflowerPlagiobothrys scouleri var. hispidulus (Greene) Dorn sleeping popcornflowerPlagiobothrys scouleri var. scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflower


Plagiobothrys shastensis Greene ex Gray Shasta popcornflowerPlagiobothrys stipitatus (Greene) I.M. Johnston slender popcornflowerPlagiobothrys stipitatus var. micranthus (Piper) I.M. Johnston stalked popcornflowerPlagiobothrys stipitatus var. stipitatus (Greene) I.M. Johnston slender popcornflowerPlagiobothrys tenellus (Nutt. ex Hook.) Gray Pacific popcornflowerPulmonaria ciliata James ex Torr. = Mertensia ciliata var. ciliataSymphytum asperum Lepechin prickly comfreySymphytum officinale L. common comfreyTiquilia nuttallii (Hook.) A. Richards. Nuttall's coldenia

CABOMBACEAEBrasenia schreberi J.F. Gmel. watershield

CACTACEAEEchinocactus simpsonii Engelm. = Pediocactus simpsonii var. simpsoniiEscobaria vivipara (Nutt.) Buxbaum spinystarEscobaria vivipara var. vivipara (Nutt.) Buxbaum spinystarMammillaria vivipara (Nutt.) Haw. = Escobaria vivipara var. viviparaOpuntia erinacea Engelm. & Bigelow ex Engelm. grizzlybear pricklypearOpuntia erinacea var. columbiana (Griffiths) L. Benson grizzleybear pricklypearOpuntia fragilis (Nutt.) Haw. brittle pricklypearOpuntia fragilis var. fragilis (Nutt.) Haw. pygmy pricklypearOpuntia polyacantha Haw. plains pricklypearPediocactus Britt. & Rose

hedgehog cactusPediocactus simpsonii (Engelm.) Britt. & Rose Simpson hedgehog cactusPediocactus simpsonii var. robustior (Coult.) L. Benson snowball cactusPediocactus simpsonii var. simpsonii (Engelm.) Britt. & Rose Simpson hedgehog cactus

CALLITRICHACEAECallitriche fassettii Schotsman Fassett's waterstarwortCallitriche hermaphroditica L. northern waterstarwortCallitriche heterophylla Pursh larger waterstarwortCallitriche heterophylla ssp. bolanderi (Hegelm.) Calder & Taylor Bolander's waterstarwortCallitriche heterophylla ssp. heterophylla Pursh twoheaded waterstarwortCallitriche marginata Torr. winged waterstarwortCallitriche palustris L. vernal waterstarwortCallitriche stagnalis Scop. pond waterstarwortCallitriche trochlearis Fassett effluent waterstarwort

CAMPANULACEAEAsyneuma prenanthoides (Dur.) McVaugh California harebellCampanula medium L. Canterbury bellsCampanula rapunculoides L. rampion bellflowerCampanula rotundifolia L. bluebell bellflowerCampanula scabrella Engelm. rough bellflowerCampanula scouleri Hook. ex A. DC. pale bellflowerDowningia bacigalupii Weiler Bach's calicoflower


Downingia bicornuta Gray doublehorn calicoflowerDowningia bicornuta var. bicornuta Gray doublehorn calicoflowerDowningia elegans (Dougl. ex Lindl.) Torr. elegant calicoflowerDowningia elegans var. brachypetala (Gandog.) McVaugh elegant calicoflowerDowningia elegans var. elegans (Dougl. ex Lindl.) Torr. elegant calicoflowerDowningia insignis Greene harlequin calicoflowerDowningia laeta (Greene) Greene Great Basin calicoflowerDowningia montana Greene Sierran calicoflowerDowningia pulchella (Lindl.) Torr. flatface calicoflowerDowningia yina Applegate cascade calicoflowerGithopsis specularioides Nutt. common bluecupHeterocodon rariflorum Nutt. rareflower heterocodonHowellia aquatilis Gray water howelliaLobelia erinus L. edging lobeliaNemacladus rigidus Curran stoutstem threadplantPorterella carnosula (Hook. & Arn.) Torr. fleshy porterellaTriodanis perfoliata (L.) Nieuwl. clasping Venus' lookingglassTriodanis perfoliata var. biflora (Ruiz & Pavon) Bradley clasping Venus' lookingglassTriodanis perfoliata var. perfoliata (L.) Nieuwl. clasping Venus' lookingglass

CAPPARACEAECleome lutea Hook. yellow spiderflowerCleome lutea var. lutea Hook. yellow spiderflower

Cleome platycarpa Torr. golden spiderflowerCleome serrulata Pursh Rocky Mountain beeplantCleomella hillmanii A. Nels. Hillman's stinkweedCleomella plocasperma S. Wats. twisted cleomellaPolanisia dodecandra (L.) DC. roughseed clammyweedPolanisia dodecandra ssp. trachysperma (Torr. & Gray) Iltis sandyseed clammyweed

CAPRIFOLIACEAELinnaea borealis L. twinflowerLinnaea borealis ssp. longiflora (Torr.) Hulten longtube twinflowerLonicera caerulea L. sweetberry honeysuckleLonicera caerulea var. cauriana (Fern.) Boivin bluefly honeysuckleLonicera ciliosa (Pursh) Poir. ex DC. orange honeysuckleLonicera conjugialis Kellogg purpleflower honeysuckleLonicera etrusca Santi Etruscan honeysuckleLonicera hispidula (Lindl.) Dougl. ex Torr. & Gray California honeysuckleLonicera hispidula var. hispidula (Lindl.) Dougl. ex Torr. & Gray pink honeysuckleLonicera hispidula var. vacillans (Benth.) Gray pink honeysuckleLonicera interrupta Benth. chaparral honeysuckleLonicera involucrata Banks ex Spreng. twinberry honeysuckleLonicera involucrata var. ledebourii (Eschsch.) ZabelLonicera utahensis S. Wats. Utah honeysuckleLonicera xylosteum L. dwarf honeysuckleSambucus cerulea var. cerulea Raf.


blue elderberrySambucus mexicana ssp. cerulea (Raf.) E. Murr. = Sambucus nigra ssp. ceruleaSambucus nigra L. European black elderSambucus nigra ssp. cerulea (Raf.) R. BolliSambucus racemosa L. scarlet elderberrySambucus racemosa ssp. pubens var. arborescens (Torr. & Gray) Gray Pacific red elderSambucus racemosa ssp. pubens var. melanocarpa (Gray) McMinn black elderberrySambucus racemosa var. racemosa L.Symphoricarpos acutus (Gray) Dieck sharpleaf snowberrySymphoricarpos albus (L.) Blake common snowberrySymphoricarpos albus var. albus (L.) Blake common snowberrySymphoricarpos albus var. laevigatus (Fern.) Blake common snowberrySymphoricarpos hesperius G.N. Jones trailing snowberrySymphoricarpos longiflorus Gray desert snowberrySymphoricarpos occidentalis Hook. western snowberrySymphoricarpos oreophilus Gray whortleleaf snowberrySymphoricarpos oreophilus var. utahensis (Rydb.) A. Nels. Utah snowberrySymphoricarpos rotundifolius Gray roundleaf snowberryViburnum edule (Michx.) Raf. mooseberry viburnumViburnum ellipticum Hook. common viburnum

CARYOPHYLLACEAEAgrostemma githago L. common corncockleArenaria aculeata S. Wats. prickly sandwort

Arenaria capillaris Poir. mountain sandwortArenaria capillaris ssp. americana Maguire fescue sandwortArenaria congesta Nutt. ballhead sandwortArenaria congesta var. cephaloidea (Rydb.) Maguire sharptip sandwortArenaria congesta var. congesta Nutt. ballhead sandwortArenaria congesta var. crassula Maguire ballhead sandwortArenaria congesta var. prolifera Maguire ballhead sandwortArenaria congesta var. subcongesta (S. Wats.) S. Wats. subcongesta sandwortArenaria congesta var. suffrutescens (Gray) B.L. Robins. suffrutescent sandwortArenaria franklinii Dougl. ex Hook. Franklin's sandwortArenaria franklinii var. franklinii Dougl. ex Hook. Franklin's sandwortArenaria kingii (S. Wats.) M.E. Jones King's sandwortArenaria kingii ssp. uintahensis (A. Nels.) Maguire Uinta sandwortArenaria lateriflora L. = Moehringia laterifloraArenaria paludicola B.L. Robins. marsh sandwortArenaria pumicola Coville & Leib. Crater Lake sandwortArenaria pumicola var. pumicola Coville & Leib. Crater Lake sandwortArenaria serpyllifolia L. thymeleaf sandwortCardionema ramosissimum (Weinm.) A. Nels. & J.F. Macbr. sandcarpetCerastium arvense L. field chickweedCerastium arvense ssp. maximum (Hollick & Britt.) Ugborogho field chickweedCerastium brachypodum (Engelm. ex Gray) B.L. Robins. shortstalk chickweedCerastium fontanum Baumg.


common chickweedCerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweedCerastium glomeratum Thuill. sticky chickweedCerastium nutans Raf. nodding chickweedCerastium semidecandrum L. fivestamen chickweedCerastium siculum Guss. dry chickweedCorrigiola litoralis L. strapwortDianthus armeria L. Deptford pinkDianthus barbatus L. sweetwilliamGypsophila paniculata L. babysbreath gypsophilaHolosteum umbellatum L. jagged chickweedHonckenya peploides (L.) Ehrh. seaside sandplantHonckenya peploides ssp. major (Hook.) Hulten seaside sandplantLoeflingia squarrosa Nutt. spreading pygmyleafLoeflingia squarrosa ssp. artemisiarum Barneby & Twisselmann spreading pygmyleafLychnis coronaria (L.) Desr. rose campionMinuartia austromontana S.J. Wolf & Packer Columbian stitchwortMinuartia californica (Gray) Mattf. California sandwortMinuartia douglasii (Fenzl ex Torr. & Gray) Mattf. Douglas' stitchwortMinuartia howellii (S. Wats.) Mattf. Howell's stitchwortMinuartia michauxii (Fenzl) Farw. Michaux's stitchwortMinuartia michauxii var. michauxii (Fenzl) Farw. Michaux's stitchwortMinuartia nuttallii (Pax) Briq. Nuttall's sandwort

Minuartia nuttallii ssp. fragilis (Maguire & A. Holmgren) McNeill brittle sandwortMinuartia nuttallii ssp. gracilis (B.L. Robins.) McNeill brittle sandwortMinuartia nuttallii ssp. gregaria (Heller) McNeill brittle sandwortMinuartia nuttallii ssp. nuttallii (Pax) Briq. Nuttall's sandwortMinuartia obtusiloba (Rydb.) House twinflower sandwortMinuartia pusilla (S. Wats.) Mattf. annual sandwortMinuartia pusilla var. pusilla (S. Wats.) Mattf. annual sandwortMinuartia rossii (R. Br. ex Richards.) Graebn. Ross' sandwortMinuartia rubella (Wahlenb.) Hiern beautiful sandwortMinuartia tenella (Nutt.) Mattf. slender stitchwortMoehringia lateriflora (L.) Fenzl bluntleaf sandwortMoehringia macrophylla (Hook.) Fenzl largeleaf sandwortMoenchia erecta (L.) P.G. Gaertn., B. Mey. & Scherb. upright chickweedPseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartman tuber starwortSagina apetala Ard. annual pearlwortSagina decumbens (Ell.) Torr. & Gray beach pearlwortSagina decumbens ssp. occidentalis (S. Wats.) Crow western pearlwortSagina japonica (Sw.) Ohwi Japanese pearlwortSagina maxima Gray stickystem pearlwortSagina maxima ssp. crassicaulis (S. Wats.) Crow stickystem pearlwortSagina procumbens L. birdeye pearlwortSagina saginoides (L.) Karst. arctic pearlwortSagina subulata (Sw.) K. Presl


awlleaf pearlwortSaponaria officinalis L. bouncingbetScleranthus annuus L. German knotgrassSilene acaulis (L.) Jacq. moss campionSilene acaulis var. exscapa (All.) DC. moss campionSilene antirrhina L. sleepy sileneSilene bernardina S. Wats. Palmer's catchflySilene bernardina ssp. maguirei Bocquet Maguire's catchflySilene bernardina ssp. maguirei var. rigidula (B.L. Robins.) Tiehm mountain sileneSilene californica Dur. Indian pinkSilene campanulata S. Wats. Red Mountain catchflySilene campanulata ssp. glandulosa C.L. Hitchc. & Maguire Red Mountain catchflySilene campanulata ssp. greenei (S. Wats.) C.L. Hitchc. & Maguire Greene's catchflySilene conica L. striped corn catchflySilene conoidea L. weed sileneSilene dichotoma Ehrh. dichotoma sileneSilene dioica (L.) Clairville red catchflySilene douglasii Hook. Douglas's campionSilene douglasii var. douglasii Hook. Douglas's campionSilene douglasii var. oraria (M.E. Peck) C.L. Hitchc. & Maguire seabluff catchflySilene drummondii Hook. Drummond's campionSilene drummondii var. drummondii Hook. Drummond's campionSilene gallica L. common catchfly

Silene grayi S. Wats. Maui catchflySilene hookeri Nutt. Hooker's sileneSilene hookeri ssp. hookeri Nutt. Hooker's sileneSilene hookeri ssp. pulverulenta (M.E. Peck) C.L. Hitchc. & Maguire Hooker's sileneSilene latifolia Poir. bladder campionSilene latifolia ssp. alba (P. Mill.) Greuter & Burdet bladder campionSilene lemmonii S. Wats. Lemmon's catchflySilene menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii var. menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire Menzies' campionSilene multinervia S. Wats. manynerve catchflySilene noctiflora L. nightflowering sileneSilene nuda (S. Wats.) C.L. Hitchc. & Maguire barestem sileneSilene nuda ssp. insectivora (Henderson) C.L. Hitchc. & Maguire insecteating sileneSilene oregana S. Wats. Oregon sileneSilene parryi (S. Wats.) C.L. Hitchc. & Maguire Parry's sileneSilene pendula L. nodding catchflySilene scaposa B.L. Robins. stem sileneSilene scaposa var. lobata C.L. Hitchc. & Maguire lostriver sileneSilene scaposa var. scaposa B.L. Robins. Blue Mountain catchflySilene scouleri Hook. Scouler's campion


Silene scouleri ssp. scouleri Hook. Scouler's campionSilene scouleri ssp. scouleri var. pacifica (Eastw.) C.L. Hitchc. Scouler's campionSilene scouleri ssp. scouleri var. scouleri Hook. Scouler's campionSilene spaldingii S. Wats. Spalding's sileneSilene suksdorfii B.L. Robins. Suksdorf's sileneSilene vulgaris (Moench) Garcke maidenstearsSpergula arvense L. corn spurrySpergula arvense var. arvense L. corn spurrySpergula arvense var. sativum (Boenn.) Mert. & Koch corn spurrySpergularia bocconii (Scheele) Foucaud ex Merino Boccone's sandspurrySpergularia canadensis (Pers.) G. Don Canadian sandspurrySpergularia canadensis var. occidentalis R.P. Rossb. western sandspurrySpergularia diandra (Guss.) Held. & Sart. diandra sandspurrySpergularia macrotheca (Hornem.) Heynh. sticky sandspurrySpergularia maritima (All.) Chiov. media sandspurrySpergularia rubra (L.) J.& K. Presl red sandspurrySpergularia salina J.& K. Presl salt sandspurrySpergularia salina var. salina J.& K. Presl salt sandspurrySpergularia villosa (Pers.) Camb. hairy sandspurryStellaria alsine Grimm bog chickweedStellaria borealis Bigelow boreal starwortStellaria borealis ssp. borealis Bigelow boreal starwortStellaria borealis ssp. sitchana (Steud.) Piper

Sitka starwortStellaria calycantha (Ledeb.) Bong. northern starwortStellaria crispa Cham. & Schlecht. curled starwortStellaria graminea L. grasslike starwortStellaria humifusa Rottb. saltmarsh starwortStellaria longifolia Muhl. ex Willd. longleaf starwortStellaria longipes Goldie longstalk starwortStellaria longipes ssp. longipes Goldie longstalk starwortStellaria media (L.) Vill. common chickweedStellaria nitens Nutt. shiny chickweedStellaria obtusa Engelm. Rocky Mountain chickweedStellaria umbellata Turcz. ex Kar. & Kir. umbrella starwortVaccaria hispanica (P. Mill.) Rauschert cow soapwortVaccaria vulgaris Host = Vaccaria hispanica

CELASTRACEAEEuonymus occidentalis Nutt. ex Torr. western wahooEuonymus occidentalis var. occidentalis Nutt. ex Torr. western wahooPaxistima myrsinites (Pursh) Raf. boxleaf myrtle

CERATOPHYLLACEAECeratophyllum demersum L. coon's tailCeratophyllum echinatum Gray spineless hornwort


CHENOPODIACEAEAllenrolfea occidentalis (S. Wats.) Kuntze iodinebushAtriplex argentea Nutt. silverscale saltbushAtriplex argentea ssp. argentea Nutt. silverscale saltbushAtriplex argentea ssp. argentea var. hillmanii M.E. Jones Hillman's silverscale saltbushAtriplex canescens (Pursh) Nutt. fourwing saltbushAtriplex confertifolia (Torr. & Frem.) S. Wats. shadscale saltbushAtriplex falcata (M.E. Jones) Standl. sickle saltbushAtriplex gmelinii C.A. Mey. ex Bong. Gmelin's saltbushAtriplex hortensis L. garden oracheAtriplex patula L. spear saltbushAtriplex patula ssp. patula L. spear saltbushAtriplex prostrata Boucher ex DC. triangle oracheAtriplex pusilla (Torr. ex S. Wats.) S. Wats. smooth saltbushAtriplex rosea L. tumbling saltweedAtriplex subspicata (Nutt.) Rydb. saline saltbushAtriplex truncata (Torr. ex S. Wats.) Gray wedgescale saltbushBassia hyssopifolia (Pallas) Kuntz fivehorn smotherweedBeta vulgaris L. common beetChenopodium album L. lambsquartersChenopodium ambrosioides L. Mexican teaChenopodium ambrosioides var. ambrosioides L. Mexican teaChenopodium ambrosioides var. anthelminticum (L.) Aellen

= Chenopodium ambrosioides var. ambrosioidesChenopodium atrovirens Rydb. pinyon goosefootChenopodium berlandieri Moq. pitseed goosefootChenopodium botrys L. Jerusalem oak goosefootChenopodium capitatum (L.) Ambrosi blite goosefootChenopodium carinatum R. Br. Tasmanian goosefootChenopodium carnosulum Moq. ridged goosefootChenopodium carnosulum var. carnosulum Moq. ridged goosefootChenopodium chenopodioides (L.) AellenChenopodium desiccatum A. Nels. aridland goosefootChenopodium foliosum (Moench) Aschers. leafy goosefootChenopodium fremontii S. Wats. Fremont's goosefootChenopodium fremontii var. fremontii S. Wats. Fremont's goosefootChenopodium glaucum L. oakleaf goosefootChenopodium hians Standl. hians goosefootChenopodium humile Hook. marshland goosefootChenopodium leptophyllum (Moq.) Nutt. ex S. Wats. narrowleaf goosefootChenopodium multifidum L. cutleaf goosefootChenopodium murale L. nettleleaf goosefootChenopodium nevadense Standl. Nevada goosefootChenopodium opulifolium Schrad. ex Koch & Ziz seaport goosefootChenopodium overi Aellen Over's goosefootChenopodium polyspermum L. manyseed goosefootChenopodium polyspermum var. acutifolium (Sm.) Gaud.


manyseed goosefootChenopodium pumilio R. Br. clammy goosefootChenopodium rubrum L. red goosefootChenopodium salinum Standl. Rocky Mountain goosefootChenopodium simplex (Torr.) Raf. mapleleaf goosefootChenopodium subglabrum (S. Wats.) A. Nels. smooth goosefootChenopodium urbicum L. city goosefootCorispermum hyssopifolium L. common bugseedCorispermum orientale Lam. oriental bugseedEurotia lanata (Pursh) Moq. = Krascheninnikovia lanataGrayia spinosa (Hook.) Moq. spiny hopsageHalogeton glomeratus (Bieb.) C.A. Mey. halogetonKochia americana S. Wats. greenmollyKochia scoparia (L.) Schrad. common kochiaKrascheninnikovia Guldenstaedt winterfatKrascheninnikovia lanata (Pursh) Guldenstaedt winterfatMonolepis nuttalliana (J.A. Schultes) Greene Nuttall's povertyweedMonolepis pusilla Torr. ex S. Wats. small monolepisMonolepis spathulata Gray beaver monolepisNitrophila occidentalis (Moq.) S. Wats. western miterwortSalicornia maritima Wolff & Jefferies slender grasswortSalicornia rubra A. Nels. red swampfireSalicornia virginica L. Virginia glasswort

Salsola kali L. prickly Russian thistleSalsola kali ssp. tragus (L.) Celak. prickly Russian thistleSarcobatus vermiculatus (Hook.) Torr. greasewoodSarcocornia pacifica (Standl.) A.J. Scott Pacific swampfireSarcocornia perennis (P. Mill.) A.J. Scott chickenclawsSpinacia oleracea L. spinachSuaeda calceoliformis (Hook.) Moq. Pursh seepweedSuaeda moquinii (Torr.) Greene Mojave seablite

CLUSIACEAEHypericum anagalloides Cham. & Schlecht. trailing St. JohnswortHypericum calycinum L. Aaron's beardHypericum formosum ssp. scouleri (Hook.) C.L. Hitchc. = Hypericum scouleri ssp. scouleriHypericum perforatum L. common St. JohnswortHypericum scouleri Hook. Scouler's St. JohnswortHypericum scouleri ssp. nortoniae (M.E. Jones) J. Gillett Norton's St. JohnswortHypericum scouleri ssp. scouleri Hook. Scouler's St. Johnswort

COMPOSITAEAchillea lanulosa Nutt. = Achillea millefolium var. occidentalisAchillea millefolium L. common yarrowAchillea millefolium var. californica (Pollard) Jepson California yarrowAchillea millefolium var. litoralis Ehrend. ex Nobs coast yarrowAchillea millefolium var. millefolium L. common yarrow


Achillea millefolium var. occidentalis DC. western yarrowAchillea millefolium var. pacifica (Rydb.) G.N. Jones Pacific yarrowAchyrachaena mollis Schauer blow wivesAcroptilon repens (L.) DC. hardheadsAdenocaulon bicolor Hook. American trailplantAgeratina occidentalis (Hook.) King & H.E. Robins. western snakerootAgoseris apargioides (Less.) Greene woolly goat chicoryAgoseris apargioides var. maritima (Sheldon) Q. JonesAgoseris aurantiaca (Hook.) Greene orange agoserisAgoseris aurantiaca var. aurantiaca (Hook.) Greene orange agoserisAgoseris elata (Nutt.) Greene tall agoserisAgoseris glauca (Pursh) Raf. pale agoserisAgoseris glauca var. agrestis (Osterhout) Q. Jones ex Cronq. pale agoserisAgoseris glauca var. dasycephala (Torr. & Gray) Jepson pale agoserisAgoseris glauca var. glauca (Pursh) Raf. pale agoserisAgoseris glauca var. laciniata (D.C. Eat.) Smiley false agoserisAgoseris glauca var. monticola (Greene) Q. Jones ex Cronq. pale agoserisAgoseris grandiflora (Nutt.) Greene bigflower agoserisAgoseris heterophylla (Nutt.) Greene annual agoserisAgoseris heterophylla var. crenulata Jepson annual agoserisAgoseris heterophylla var. heterophylla (Nutt.) Greene annual agoserisAgoseris heterophylla var. turgida (Hall) Jepson annual agoserisAgoseris retrorsa (Benth.) Greene spearleaf agoseris

Ambrosia acanthicarpa Hook. flatspine burr ragweedAmbrosia artemisiifolia L. annual ragweedAmbrosia chamissonis (Less.) Greene silver burr ragweedAmbrosia psilostachya DC. Cuman ragweedAmbrosia trifida L. great ragweedAnaphalis margaritacea (L.) Benth. & Hook. f. western pearlyeverlastingAncistrocarphus filagineus Gray false neststrawAntennaria anaphaloides Rydb. pearly pussytoesAntennaria arcuata Cronq. box pussytoesAntennaria argentea Benth. silver pussytoesAntennaria aromatica Evert scented pussytoesAntennaria corymbosa E. Nels. flattop pussytoesAntennaria dimorpha (Nutt.) Torr. & Gray low pussytoesAntennaria flagellaris (Gray) Gray whip pussytoesAntennaria geyeri Gray pinewoods pussytoesAntennaria howellii Greene Howell's pussytoesAntennaria howellii ssp. howellii Greene Howell's pussytoesAntennaria lanata (Hook.) Greene woolly pussytoesAntennaria luzuloides Torr. & Gray rush pussytoesAntennaria media Greene Rocky Mountain pussytoesAntennaria microphylla Rydb. littleleaf pussytoesAntennaria racemosa Hook. raceme pussytoesAntennaria rosea Greene


rosy pussytoesAntennaria stenophylla (Gray) Gray narrowleaf pussytoesAntennaria suffrutescens Greene evergreen everlastingAntennaria umbrinella Rydb. umber pussytoesAnthemis altissima L. tall chamomileAnthemis arvensis L. corn chamomileAnthemis cotula L. stinking chamomileArctium lappa L. greater burrdockArctium minus Bernh. lesser burrdockArnica X diversifolia Greene (pro sp.) rayless arnicaArnica amplexicaulis Nutt. clasping arnicaArnica cernua T.J. Howell serpentine arnicaArnica chamissonis Less. chamisso arnicaArnica chamissonis ssp. foliosa (Nutt.) Maguire chamisso arnicaArnica chamissonis ssp. foliosa var. andina (Nutt.) Ediger & Barkl. chamisso arnicaArnica chamissonis ssp. foliosa var. incana (Gray) Hulten chamisso arnicaArnica cordifolia Hook. heartleaf arnicaArnica discoidea Benth. rayless arnicaArnica fulgens Pursh foothill arnicaArnica gracilis Rydb. smallhead arnicaArnica latifolia Bong. broadleaf arnicaArnica longifolia D.C. Eat. spearleaf arnicaArnica mollis Hook. hairy arnica

Arnica nevadensis Gray Nevada arnicaArnica parryi Gray Parry's arnicaArnica parryi ssp. parryi Gray Parry's arnicaArnica parryi ssp. sonnei (Greene) Maguire Sonne's arnicaArnica rydbergii Greene Rydberg's arnicaArnica sororia Greene twin arnicaArnica spathulata Greene Klamath arnicaArnica viscosa Gray Mt. Shasta arnicaArtemisia absinthium L. European wormwoodArtemisia annua L. sweet annieArtemisia arbuscula Nutt. low sagebrushArtemisia arbuscula ssp. arbuscula Nutt. gray low sagebrushArtemisia arbuscula ssp. longiloba (Osterhout) L. Shultz alkali sagebrushArtemisia arbuscula ssp. thermopola Beetle hotsprings sagebrushArtemisia biennis Willd. biennial wormwoodArtemisia campestris L. field sagewortArtemisia campestris ssp. borealis (Pallas) Hall & Clements northern sagewortArtemisia campestris ssp. borealis var. scouleriana (Hook.) Cronq. Scouler's wormwoodArtemisia campestris ssp. borealis var. wormskioldii (Bess. ex Hook.) Cronq. Wormskiold's wormwoodArtemisia campestris ssp. pacifica (Nutt.) Hall & Clements Pacific wormwoodArtemisia cana Pursh silver sagebrushArtemisia cana ssp. cana Pursh silver sagebrush


Artemisia douglasiana Bess. Douglas' sagewortArtemisia dracunculoides Pursh = Artemisia dracunculus ssp. dracunculusArtemisia dracunculus L. Russian tarragonArtemisia dracunculus ssp. dracunculus L. false tarragonArtemisia lindleyana Bess. northwest sagebrushArtemisia ludoviciana Nutt. Louisiana sagewortArtemisia ludoviciana ssp. candicans (Rydb.) Keck gray sagewortArtemisia ludoviciana ssp. estesii Chambers Estes' sagebrushArtemisia ludoviciana ssp. incompta (Nutt.) Keck mountain sagewortArtemisia michauxiana Bess. Michaux's sagebrushArtemisia packardiae J. Grimes & Ertter Packard's wormwoodArtemisia papposa Blake & Cronq. fuzzy sagebrushArtemisia pycnocephala (Less.) DC. beach wormwoodArtemisia rigida (Nutt.) Gray stiff sagebrushArtemisia rothrockii Gray timberline sagebrushArtemisia spinescens D.C. Eat. bud sagebrushArtemisia suksdorfii Piper coastal wormwoodArtemisia tilesii Ledeb. Tilesius' wormwoodArtemisia tilesii ssp. unalaschcensis (Bess.) Hulten Alaska sagebrushArtemisia tridentata Nutt. big sagebrushArtemisia tridentata ssp. tridentata Nutt. basin big sagebrushArtemisia tridentata ssp. vaseyana (Rydb.) Beetle mountain big sagebrushArtemisia tripartita Rydb.

threetip sagebrushArtemisia tripartita ssp. tripartita Rydb. Idaho threetip sagebrushArtemisia vulgaris L. common wormwoodArtemisia vulgaris var. douglasiana (Bess.) St. John = Artemisia douglasianaAster alpigenus ssp. alpigenus (Torr. & Gray) Gray tundra asterAster ascendens Lindl. Chile asterAster borealis (Torr. & Gray) Prov. rush asterAster bracteolatus Nutt. (pro sp.) bract asterAster brickellioides var. brickellioides Greene brickellbush asterAster campestris Nutt. meadow asterAster campestris var. bloomeri (Gray) Gray Bloomer's asterAster campestris var. campestris Nutt. western meadow asterAster canescens Pursh = Machaeranthera canescens ssp. canescens var. canescensAster chilensis Nees creeping asterAster conspicuus Lindl. showy asterAster cusickii Gray Cusick's asterAster eatonii (Gray) T.J. Howell Eaton's asterAster ericoides L. heath asterAster ericoides var. pansus (Blake) Boivin manyflowered asterAster falcatus Lindl. cluster asterAster falcatus var. crassulus (Rydb.) Cronq. rough white prairie asterAster foliaceus Lindl. ex DC. alpine leafybract asterAster foliaceus var. apricus Gray leafybract aster


Aster foliaceus var. canbyi Gray Canby's asterAster foliaceus var. parryi (D.C. Eat.) Gray Parry's asterAster hallii Gray Hall's asterAster hendersonii Fern. Lyall asterAster integrifolius Nutt. thickstem asterAster ledophyllus (Gray) Gray Cascade asterAster ledophyllus var. ledophyllus (Gray) Gray Cascade asterAster meritus A. Nels.Aster occidentalis (Nutt.) Torr. & Gray western asterAster occidentalis var. intermedius Gray intermediate asterAster occidentalis var. occidentalis (Nutt.) Torr. & Gray western asterAster oregonensis ssp. oregonensis (Nutt.) Cronq. Oregon asterAster perelegans A. Nels. & J.F. Macbr. elegant asterAster radulinus Gray roughleaf asterAster shastensis (Gray) Gray = Machaeranthera canescens ssp. canescens var. shastensisAster sibiricus L. Siberian asterAster subspicatus Nees Douglas asterAster subspicatus var. grayi (Suksdorf) Cronq. Gray's asterAster subspicatus var. subspicatus Nees leafybract asterBaccharis douglasii DC. saltmarsh baccharisBaccharis pilularis DC. coyotebrushBalsamita major Desf. costmaryBalsamorhiza X terebinthacea (Hook.) Nutt. (pro sp.) balsamroot

Balsamorhiza careyana Gray Carey's balsamrootBalsamorhiza careyana var. careyana Gray Carey's balsamrootBalsamorhiza careyana var. intermedia Cronq. intermediate balsamrootBalsamorhiza deltoidea Nutt. deltoid balsamrootBalsamorhiza hookeri (Hook.) Nutt. Hooker's balsamrootBalsamorhiza hookeri var. hirsuta (Nutt.) A. Nels. hairy balsamrootBalsamorhiza incana Nutt. hoary balsamrootBalsamorhiza macrolepis Sharp California balsamrootBalsamorhiza macrolepis var. platylepis (Sharp) Ferris California balsamrootBalsamorhiza sagittata (Pursh) Nutt. arrowleaf balsamrootBalsamorhiza sericea W.A. Weber silky balsamrootBalsamorhiza serrata A. Nels. & J.F. Macbr. serrate balsamrootBellis perennis L. lawndaisyBerkheya heterophylla O. Hoffmann prickly gousblomBidens acuta (Wieg.) Britt. = Bidens tripartitaBidens beckii Torr. ex Spreng. = Megalodonta beckii var. beckiiBidens cernua L. nodding beggartickBidens frondosa L. devil's beggartickBidens tripartita L. threelobe beggarticksBidens vulgata Greene big devils beggartickBlepharipappus scaber Hook. rough eyelashweedBlepharipappus scaber ssp. laevis (Gray) Keck rough eyelashweedBlepharipappus scaber ssp. scaber Hook.


rough eyelashweedBoltonia asteroides (L.) L'Her. white doll's daisyBoltonia asteroides var. recognita (Fern. & Grisc.) Cronq. white doll's daisyBrachyactis frondosa (Nutt.) Gray leafy rayless asterBrickellia californica (Torr. & Gray) Gray California brickellbushBrickellia grandiflora (Hook.) Nutt. tasselflower brickellbushBrickellia greenei Gray Greene brickellbushBrickellia microphylla (Nutt.) Gray littleleaf brickellbushBrickellia microphylla var. microphylla (Nutt.) Gray littleleaf brickellbushBrickellia oblongifolia Nutt. Mojave brickellbushBrickellia oblongifolia var. linifolia (D.C. Eat.) B.L. Robins. narrowleaf brickellbushBrickellia oblongifolia var. oblongifolia Nutt. narrowleaf brickellbushCacalia nardosmia Gray = Cacaliopsis nardosmiaCacaliopsis nardosmia (Gray) Gray silvercrownCalycadenia fremontii Gray Fremont's western rosinweedCalycadenia truncata DC. Oregon western rosinweedCalycadenia truncata ssp. scabrella (E. Drew) Keck Oregon western rosinweedCarduus nutans L. nodding plumeless thistleCarduus pycnocephalus L. Italian plumeless thistleCarduus tenuiflorus W. Curtis winged plumeless thistleCentaurea biebersteinii DC. spotted knapweedCentaurea calcitrapa L. red star thistleCentaurea cyanus L. garden cornflower

Centaurea diffusa Lam. white knapweedCentaurea jacea L. brownray knapweedCentaurea melitensis L. Maltese star thistleCentaurea nigra L. lesser knapweedCentaurea nigrescens Willd. Tyrol knapweedCentaurea repens L. = Acroptilon repensCentaurea solstitialis L. yellow star thistleChaenactis cusickii Gray Cusick's pincushionChaenactis douglasii (Hook.) Hook. & Arn. Douglas' dustymaidenChaenactis douglasii var. alpina Gray alpine dustymaidenChaenactis douglasii var. douglasii (Hook.) Hook. & Arn. Douglas' dustymaidenChaenactis macrantha D.C. Eat. bighead dustymaidenChaenactis nevii Gray John Day's pincushionChaenactis stevioides Hook. & Arn. Steve's dustymaidenChaenactis xantiana Gray fleshcolor pincushionChaetadelpha wheeleri Gray ex S. Wats. Wheeler's skeletonweedChamaemelum mixtum (L.) All. weedy dogfennelChrysanthemum balsamita (L.) Baill., non L. = Balsamita majorChrysanthemum leucanthemum L. = Leucanthemum vulgareChrysanthemum parthenium (L.) Bernh. = Tanacetum partheniumChrysothamnus frigidus Greene = Ericameria nauseosa ssp. nauseosa var. nauseosaChrysothamnus humilis Greene Truckee rabbitbrushChrysothamnus nauseosus


= Ericameria nauseosa Chrysothamnus viscidiflorus (Hook.) Nutt. green rabbitbrushChrysothamnus viscidiflorus ssp. viscidiflorus (Hook.) Nutt. green rabbitbrushChrysothamnus viscidiflorus ssp. viscidiflorus var. stenophyllus (Gray) Hall green rabbitbrushChrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorus (Hook.) Nutt. green rabbitbrushCichorium intybus L. chicoryCirsium arvense (L.) Scop. Canadian thistleCirsium brevifolium Nutt. Palouse thistleCirsium brevistylum Cronq. clustered thistleCirsium canovirens (Rydb.) Petrak graygreen thistleCirsium ciliolatum (Henderson) J.T. Howell Ashland thistleCirsium cymosum (Greene) J.T. Howell peregrine thistleCirsium douglasii DC. Douglas' thistleCirsium douglasii var. breweri (Petrak) Keil & C. TurnerCirsium edule Nutt. edible thistleCirsium foliosum (Hook.) DC. elk thistleCirsium hallii (Gray) M.E. Jones Hall's thistleCirsium neomexicanum Gray New Mexico thistleCirsium neomexicanum var. utahense (Petrak) Welsh Utah thistleCirsium pastoris J.T. Howell snowy thistleCirsium peckii Henderson Steen Mountain thistleCirsium remotifolium (Hook.) DC. fewleaf thistleCirsium remotifolium ssp. oregonense Petrak

Cirsium remotifolium ssp. pseudocarlinoides PetrakCirsium remotifolium ssp. remotifolium (Hook.) DC.Cirsium remotifolium var. remotifolium (Hook.) DC. fewleaf thistleCirsium scariosum Nutt. meadow thistleCirsium scariosum var. scariosum Nutt. meadow thistleCirsium subniveum Rydb. Jackson Hole thistleCirsium undulatum (Nutt.) Spreng. wavyleaf thistleCirsium undulatum var. undulatum (Nutt.) Spreng. wavyleaf thistleCirsium vulgare (Savi) Ten. bull thistleCnicus benedictus L. blessed thistleColumbiadoria hallii (Gray) Nesom Hall's columbiadoriaConyza bonariensis (L.) Cronq. asthmaweedConyza bonariensis var. leiotheca (Blake) Cuatrec. asthmaweedConyza canadensis (L.) Cronq. Canadian horseweedConyza canadensis var. glabrata (Gray) Cronq. Canadian horseweedCoreopsis tinctoria Nutt. golden tickseedCoreopsis tinctoria var. atkinsoniana (Dougl. ex Lindl.) H.M. Parker Atkinson's tickseedCoreopsis tinctoria var. tinctoria Nutt. golden tickseedCotula australis (Sieber) Hook. f. Australian waterbuttonsCotula coronopifolia L. common brassbuttonsCrepis acuminata Nutt. longleaf hawksbeardCrepis acuminata ssp. acuminata Nutt. longleaf hawksbeardCrepis atribarba Heller slender hawksbeardCrepis atribarba ssp. atribarba Heller


slender hawksbeardCrepis atribarba ssp. originalis (Babcock & Stebbins) Babcock & Stebbins slender hawksbeardCrepis bakeri Greene Baker's hawksbeardCrepis bakeri ssp. bakeri Greene Baker's hawksbeardCrepis bakeri ssp. cusickii (Eastw.) Babcock & Stebbins Cusick's hawksbeardCrepis capillaris Wallr. smooth hawksbeardCrepis intermedia Gray limestone hawksbeardCrepis modocensis Greene Siskiyou hawksbeardCrepis modocensis ssp. modocensis Greene Modoc hawksbeardCrepis modocensis ssp. subacaulis (Kellogg) Babcock & Stebbins Siskiyou hawksbeardCrepis monticola Coville mountain hawksbeardCrepis nana Richards. dwarf alpine hawksbeardCrepis nana ssp. nana Richards. dwarf alpine hawksbeardCrepis nana ssp. ramosa Babcock dwarf alpine hawksbeardCrepis occidentalis Nutt. largeflower hawksbeardCrepis occidentalis ssp. conjuncta (Jepson) Babcock & Stebbins largeflower hawksbeardCrepis occidentalis ssp. costata (Gray) Babcock & Stebbins largeflower hawksbeardCrepis occidentalis ssp. occidentalis Nutt. largeflower hawksbeardCrepis occidentalis ssp. pumila (Rydb.) Babcock & Stebbins largeflower hawksbeardCrepis pleurocarpa Gray nakedstem hawksbeardCrepis pulchra L. smallflower hawksbeardCrepis riparia A. Nels. = Crepis runcinata ssp. hispidulosaCrepis runcinata (James) Torr. & Gray

fiddleleaf hawksbeardCrepis runcinata ssp. hispidulosa (T.J. Howell ex Rydb.) Babcock & Stebbins fiddleleaf hawksbeardCrepis runcinata ssp. imbricata Babcock & Stebbins fiddleleaf hawksbeardCrepis runcinata ssp. runcinata (James) Torr. & Gray fiddleleaf hawksbeardCrepis setosa Haller f. bristly hawksbeardCrocidium multicaule Hook. common springgoldDimeresia howellii Gray doubletDugaldia hoopesii (Gray) Rydb. = Hymenoxys hoopesiiEatonella nivea (D.C. Eat.) Gray white false tickheadErechtites glomerata (Desf. ex Poir.) DC. cutleaf burnweedErechtites hieraciifolia (L.) Raf. ex DC. American burnweedErechtites hieraciifolia var. hieraciifolia (L.) Raf. ex DC. American burnweedErechtites minima (Poir.) DC. coastal burnweedEricameria arborescens (Gray) Greene goldenfleeceEricameria bloomeri (Gray) J.F. Macbr. rabbitbush heathgoldenrodEricameria discoidea (Nutt.) Nesom whitestem heathgoldenrodEricameria discoidea var. discoidea (Nutt.) Nesom whitestem heathgoldenrodEricameria greenei (Gray) Nesom Greene's heathgoldenrodEricameria humilis (Greene) L.C. Anders. = Chrysothamnus humilisEricameria nauseosa (Pallas ex Pursh) Nesom & BairdEricameria nauseosa ssp. consimilis (Greene) Nesom & BairdEricameria nauseosa ssp. consimilis var. oreophila Ericameria nauseosa ssp. nauseosa (Pallas ex Pursh) Nesom & BairdEricameria nauseosa ssp. nauseosa var. nana Ericameria nauseosa ssp. nauseosa var. nauseosa Ericameria nauseosa ssp. nauseosa var. speciosa


Ericameria resinosa Nutt. Columbian heathgoldenrodEricameria suffruticosa (Nutt.) Nesom singlehead heathgoldenrodEricameria viscidiflora (Hook.) L.C. Anders. = Chrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorusErigeron acris L.Erigeron acris ssp. acris L.Erigeron acris ssp. acris var. debilis Erigeron acris ssp. politus (Fries) Schinz & R. KellerErigeron aliceae T.J. Howell Alice Eastwood's fleabaneErigeron annuus (L.) Pers. eastern daisy fleabaneErigeron aphanactis (Gray) Greene rayless shaggy fleabaneErigeron aphanactis var. aphanactis (Gray) Greene rayless shaggy fleabaneErigeron austiniae Greene dwarf yellow fleabaneErigeron bloomeri Gray scabland fleabaneErigeron bloomeri var. bloomeri Gray scabland fleabaneErigeron bloomeri var. nudatus (Gray) Cronq. scabland fleabaneErigeron canadensis = Conyza canadensis Erigeron cascadensis Heller Cascade fleabaneErigeron cervinus Greene Siskiyou fleabaneErigeron chrysopsidis Gray dwarf yellow fleabaneErigeron chrysopsidis ssp. chrysopsidis Gray dwarf yellow fleabaneErigeron compositus Pursh cutleaf daisyErigeron compositus var. compositus Pursh dwarf mountain fleabaneErigeron corymbosus Nutt. longleaf fleabaneErigeron coulteri Porter large mountain fleabaneErigeron decumbens Nutt.

Willamette fleabaneErigeron decumbens var. decumbens Nutt. Willamette fleabaneErigeron disparipilus Cronq. white cushion fleabaneErigeron divergens Torr. & Gray spreading fleabaneErigeron eatonii Gray Eaton's fleabaneErigeron eatonii var. lavandulus Strother & Ferlatte Eaton's fleabaneErigeron eatonii var. plantagineus (Greene) Cronq. Eaton's fleabaneErigeron eatonii var. villosus (Cronq.) Cronq. Eaton's fleabaneErigeron elegantulus Greene blue dwarf fleabaneErigeron engelmannii A. Nels. Engelmann's fleabaneErigeron engelmannii var. davisii (Cronq.) Cronq. Davis' fleabaneErigeron filifolius (Hook.) Nutt. threadleaf fleabaneErigeron filifolius var. filifolius (Hook.) Nutt. threadleaf fleabaneErigeron filifolius var. robustior M.E. Peck threadleaf fleabaneErigeron foliosus Nutt. leafy fleabaneErigeron foliosus var. confinis (T.J. Howell) Jepson leafy fleabaneErigeron foliosus var. foliosus Nutt. leafy fleabaneErigeron foliosus var. hartwegii (Greene) Jepson Hartweg's fleabaneErigeron glaucus Ker-Gawl. seaside fleabaneErigeron howellii Gray Howell's fleabaneErigeron inornatus (Gray) Gray California rayless fleabaneErigeron inornatus var. inornatus (Gray) Gray California rayless fleabaneErigeron linearis (Hook.) Piper desert yellow fleabane


Erigeron lonchophyllus Hook.Erigeron oreganus Gray gorge fleabaneErigeron peregrinus (Banks ex Pursh) Greene subalpine fleabaneErigeron peregrinus ssp. callianthemus (Greene) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. angustifolius (Gray) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. callianthemus (Greene) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. scaposus (Torr. & Gray) Cronq. subalpine fleabaneErigeron peregrinus ssp. peregrinus (Banks ex Pursh) Greene subalpine fleabaneErigeron peregrinus ssp. peregrinus var. peregrinus (Banks ex Pursh) Greene subalpine fleabaneErigeron petrophilus Greene cliff fleabaneErigeron philadelphicus L. Philadelphia fleabaneErigeron poliospermus Gray purple cushion fleabaneErigeron poliospermus var. poliospermus Gray purple cushion fleabaneErigeron pumilus Nutt. shaggy fleabaneErigeron pumilus ssp. intermedius Cronq. shaggy fleabaneErigeron pumilus ssp. intermedius var. gracilior Cronq. shaggy fleabaneErigeron pumilus ssp. intermedius var. intermedius (Cronq.) Cronq. shaggy fleabaneErigeron simplex Greene onestem fleabaneErigeron speciosus (Lindl.) DC. aspen fleabaneErigeron speciosus var. macranthus (Nutt.) Cronq. aspen fleabaneErigeron speciosus var. speciosus (Lindl.) DC. aspen fleabane

Erigeron strigosus Muhl. ex Willd. prairie fleabaneErigeron tener (Gray) Gray slender fleabaneErigeron vagus Payson rambling fleabaneEriophyllum lanatum (Pursh) Forbes woolly eriophyllumEriophyllum lanatum var. achillaeoides (DC.) Jepson common woollysunflowerEriophyllum lanatum var. integrifolium (Hook.) Smiley common woollysunflowerEriophyllum lanatum var. lanatum (Pursh) Forbes common woollysunflowerEriophyllum lanatum var. lanceolatum (T.J. Howell) Jepson common woollysunflowerEriophyllum stoechadifolium Lag. seaside woollysunflowerEucephalus brickellioides (Greene) NesomEucephalus glabratus (Greene) GreeneEucephalus glaucescens (Gray) GreeneEucephalus gormanii PiperEucephalus ledophyllus (Gray) GreeneEucephalus ledophyllus var. covillei (Greene) NesomEucephalus perelegans (A. Nels. & J.F. Macbr.) W.A. Weber = Aster perelegansEucephalus vialis BradshawEuchiton gymnocephalus (DC.) A. Anderb.Euchiton japonicus (Thunb.) A. Anderb.Eupatorium occidentale Hook. = Ageratina occidentalisEuthamia occidentalis Nutt. western goldentopFilago vulgaris Lam. common cottonroseFranseria = Ambrosia Gaillardia aristata Pursh common gaillardiaGamochaeta purpurea (L.) Cabrera spoonleaf purple everlastingGlyptopleura marginata D.C. Eat. carveseedGnaphalium californicum DC. = Pseudognaphalium californicum


Gnaphalium margaritaceum L. = Anaphalis margaritaceaGnaphalium microcephalum Nutt. = Pseudognaphalium canescens ssp. microcephalumGnaphalium palustre Nutt. western marsh cudweedGnaphalium uliginosum L. marsh cudweedGnaphalium viscosum Kunth = Pseudognaphalium viscosumGrindelia columbiana (Piper) Rydb. Columbia River gumweedGrindelia integrifolia DC. Puget Sound gumweedGrindelia integrifolia var. integrifolia DC. Puget Sound gumweedGrindelia nana Nutt. Idaho gumweedGrindelia nana var. integerrima (Rydb.) Steyermark Idaho gumweedGrindelia nana var. nana Nutt. Idaho gumweedGrindelia squarrosa var. integrifolia (Nutt.) Boivin = Grindelia nana var. nanaGrindelia stricta DC.Grindelia stricta var. stricta DC.Gutierrezia microcephala (DC.) Gray threadleaf snakeweedGutierrezia sarothrae (Pursh) Britt. & Rusby broom snakeweedHaplopappus acaulis (Nutt.) Gray = Stenotus acaulis var. acaulisHaplopappus alpigenus Torr. & Gray = Oreostemma alpigenum var. alpigenumHaplopappus arborescens (Gray) Hall = Ericameria arborescensHaplopappus bloomeri Gray = Ericameria bloomeriHaplopappus carthamoides (Hook.) Gray = Pyrrocoma carthamoides var. carthamoidesHaplopappus contractus Hall = Pyrrocoma uniflora var. unifloraHaplopappus greenei Gray = Ericameria greeneiHaplopappus greenei var. mollis Gray

= Ericameria greeneiHaplopappus hallii Gray = Columbiadoria halliiHaplopappus hirtus Gray = Pyrrocoma hirta var. hirtaHaplopappus lanuginosus Gray = Stenotus lanuginosus var. lanuginosusHaplopappus lyallii Gray = Tonestus lyalliiHaplopappus macronema (Nutt.) Gray = Ericameria discoidea var. discoideaHaplopappus racemosus (Nutt.) Torr. = Pyrrocoma racemosa var. racemosaHaplopappus radiatus (Nutt.) Cronq. = Pyrrocoma radiataHaplopappus resinosus (Nutt.) Gray = Ericameria resinosaHaplopappus stenophyllus Gray = Stenotus stenophyllusHaplopappus suffruticosus (Nutt.) Gray = Ericameria suffruticosaHaplopappus uniflorus (Hook.) Torr. & Gray = Pyrrocoma uniflora var. unifloraHaplopappus whitneyi Gray = Hazardia whitneyi var. whitneyiHazardia whitneyi (Gray) Greene Whitney's bristleweedHazardia whitneyi var. discoidea (J.T. Howell) W.D. Clark Whitney's bristleweedHazardia whitneyi var. whitneyi (Gray) Greene Whitney's bristleweedHelenium autumnale L. common sneezeweedHelenium autumnale var. autumnale L. common sneezeweedHelenium autumnale var. grandiflorum (Nutt.) Torr. & Gray fall sneezeweedHelenium autumnale var. montanum (Nutt.) Fern. mountain sneezeweedHelenium bigelovii Gray Bigelow's sneezeweedHelenium bolanderi Gray coastal sneezeweedHelenium hoopesii Gray = Hymenoxys hoopesii


Helenium puberulum DC. rosillaHelianthella californica Gray California helianthellaHelianthella californica var. nevadensis (Greene) Jepson Nevada helianthellaHelianthella quinquenervis (Hook.) Gray fivenerve helianthellaHelianthella uniflora (Nutt.) Torr. & Gray oneflower helianthellaHelianthella uniflora var. douglasii (Torr. & Gray) W.A. Weber Douglas' helianthellaHelianthella uniflora var. uniflora (Nutt.) Torr. & Gray oneflower helianthellaHelianthus X laetiflorus Pers. (pro sp.) mountain sunflowerHelianthus annuus L. common sunflowerHelianthus bolanderi Gray serpentine sunflowerHelianthus cusickii Gray Cusick's sunflowerHelianthus nuttallii Torr. & Gray Nuttall's sunflowerHelianthus nuttallii ssp. nuttallii Torr. & Gray Nuttall's sunflowerHelianthus petiolaris Nutt. prairie sunflowerHelianthus petiolaris ssp. petiolaris Nutt. prairie sunflowerHemizonia congesta DC. hayfield tarweedHemizonia congesta ssp. clevelandii (Greene) Babcock & HallHemizonia fitchii Gray Fitch's tarweedHemizonia pungens (Hook. & Arn.) Torr. & Gray common spikeweedHemizonia pungens ssp. pungens (Hook. & Arn.) Torr. & Gray common tarweedHemizonia pungens ssp. septentrionalis Keck common tarweedHesperevax sparsiflora (Gray) Greene fewflower hesperevaxHesperevax sparsiflora var. sparsiflora (Gray) Greene fewflower hesperevax

Heterotheca oregona (Nutt.) Shinners Oregon goldenasterHeterotheca oregona var. oregona (Nutt.) Shinners Oregon goldenasterHeterotheca oregona var. rudis (Greene) Semple Oregon goldenasterHeterotheca villosa (Pursh) Shinners hairy goldenasterHeterotheca villosa var. hispida (Hook.) Harms bristly hairy goldasterHeterotheca villosa var. villosa (Pursh) Shinners hairy goldenasterHeterotheca viscida (Gray) Harms cliff falsegoldenasterHieracium albiflorum Hook. white hawkweedHieracium aurantiacum L. orange hawkweedHieracium bolanderi Gray Bolander's hawkweedHieracium canadense Michx. Canadian hawkweedHieracium canadense var. canadense Michx. Canadian hawkweedHieracium cynoglossoides Arv.-Touv. houndstongue hawkweedHieracium gracile Hook. slender hawkweedHieracium gracile var. gracile Hook. slender hawkweedHieracium greenei Gray Greene's hawkweedHieracium horridum Fries prickly hawkweedHieracium longiberbe T.J. Howell longbeard hawkweedHieracium pilosella L. mouseear hawkweedHieracium scouleri Hook. woollyweedHieracium scouleri var. nudicaule (Gray) Cronq. woollyweedHieracium scouleri var. scouleri Hook. Scouler's woollyweedHieracium umbellatum L.


narrowleaf hawkweedHulsea algida Gray pain hulseaHulsea nana Gray dwarf alpinegoldHymenopappus filifolius Hook. fineleaf hymenopappusHymenopappus filifolius var. filifolius Hook. fineleaf hymenopappusHymenoxys cooperi (Gray) Cockerell Cooper's hymenoxysHymenoxys cooperi var. canescens (D.C. Eat.) Parker Cooper's hymenoxysHymenoxys hoopesii (Gray) Bierner orange sneezeweedHypochaeris glabra L. smooth catsearHypochaeris radicata L. hairy catsearInula helenium L. elecampane inulaIonactis alpina (Nutt.) Greene alpine ionactisIva axillaris Pursh povertyweedIva xanthifolia Nutt. giant sumpweedJaumea carnosa (Less.) Gray marsh jaumeaLactuca biennis (Moench) Fern. tall blue lettuceLactuca canadensis L. Canada lettuceLactuca ludoviciana (Nutt.) Riddell biannual lettuceLactuca pulchella (Pursh) DC. = Lactuca tatarica var. pulchellaLactuca saligna L. willowleaf lettuceLactuca sativa L. garden lettuceLactuca scariola L. = Lactuca serriolaLactuca serriola L. prickly lettuce

Lactuca tatarica (L.) C.A. Mey. blue lettuceLagophylla ramosissima Nutt. branched lagophyllaLapsana apogonoides Maxim. Japanese nipplewortLapsana communis L. common nipplewortLasthenia californica DC. ex Lindl. California goldfieldsLasthenia glaberrima DC. smooth goldfieldsLasthenia macrantha (Gray) Greene pickleweedLasthenia macrantha ssp. macrantha (Gray) Greene perennial goldfieldsLasthenia macrantha ssp. prisca Ornduff perennial goldfieldsLasthenia maritima (Gray) Ornduff seaside goldfieldsLayia glandulosa (Hook.) Hook. & Arn. whitedaisy tidytipsLayia glandulosa ssp. glandulosa (Hook.) Hook. & Arn. whitedaisy tidytipsLeontodon hirtus L. rough hawkbitLeontodon hispidus L. bristly hawkbitLeontodon hispidus ssp. hispidus L. bristly hawkbitLeontodon taraxacoides (Vill.) Merat lesser hawkbitLessingia filaginifolia (Hook. & Arn.) M.A. LaneLessingia filaginifolia var. californica (DC.) M.A. LaneLeucanthemum leucanthemum (L.) Rydb. = Leucanthemum vulgareLeucanthemum maximum (Ramond) DC. Shasta daisyLeucanthemum vulgare Lam. oxeyedaisyLuina hypoleuca Benth. littleleaf silverbackLuina serpentina Cronq. creeping silverbackLygodesmia .


= Stephanomeria Machaeranthera canescens (Pursh) Gray hoary asterMachaeranthera canescens ssp. canescens (Pursh) Gray hoary asterMachaeranthera canescens ssp. canescens var. canescens (Pursh) Gray cutleaf goldenweedMachaeranthera canescens ssp. canescens var. incana (Lindl.) Gray cutleaf goldenweedMachaeranthera canescens ssp. canescens var. leucanthemifolia (Greene) Welsh whiteflower machaerantheraMachaeranthera canescens ssp. canescens var. shastensis (Gray) B.L. Turner Shasta machaerantheraMadia bolanderi (Gray) Gray Bolander's madiaMadia citriodora Greene lemonscented madiaMadia elegans D. Don ex Lindl. common madiaMadia elegans ssp. densifolia (Greene) Keck showy tarweedMadia elegans ssp. elegans D. Don ex Lindl. common madiaMadia elegans ssp. vernalis Keck spring madiaMadia exigua (Sm.) Gray small tarweedMadia glomerata Hook. mountain tarweedMadia gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweedMadia gracilis ssp. gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweedMadia madioides (Nutt.) Greene woodland madiaMadia minima (Gray) Keck oppositeleaved tarweedMadia sativa Molina coast tarweedMalacothrix glabrata (Gray ex D.C. Eat.) Gray smooth desertdandelionMalacothrix torreyi Gray

Torrey's desertdandelionMatricaria chamomilla L. 1755 & 1763, non 1753 = Matricaria recutitaMatricaria discoidea DC. disc mayweedMatricaria matricarioides (Less.) Porter = Matricaria discoideaMatricaria occidentalis Greene valley mayweedMatricaria perforata Merat scentless mayweedMatricaria recutita L. mayweedMatricaria suaveolens (Pursh) Buch., non L. = Matricaria discoideaMatricaria suaveolens L. = Matricaria recutitaMatricaria suffruticosa (L.) Druce shrubby mayweedMegalodonta beckii (Torr. ex Spreng.) Greene aquatic beggartickMegalodonta beckii var. beckii (Torr. ex Spreng.) Greene Beck's watermarigoldMicropus californicus Fisch. & C.A. Mey. q tipsMicropus californicus var. californicus Fisch. & C.A. Mey. slender cottonweedMicroseris acuminata Greene Sierran foothill silverpuffsMicroseris bigelovii (Gray) Schultz-Bip. coastal silverpuffsMicroseris borealis (Bong.) Schultz-Bip. apargidiumMicroseris howellii Gray Howell's silverpuffsMicroseris laciniata (Hook.) Schultz-Bip. cutleaf silverpuffsMicroseris laciniata ssp. detlingii Chambers Detling's silverpuffsMicroseris laciniata ssp. laciniata (Hook.) Schultz-Bip. cutleaf silverpuffsMicroseris laciniata ssp. leptosepala (Nutt.) Chambers cutleaf silverpuffsMicroseris laciniata var. siskiyouensis ChambersMicroseris nutans (Hook.) Schultz-Bip.


nodding microcerisMicroseris nutans ssp. nutans (Hook.) Schultz-Bip. nodding silverpuffsMycelis muralis (L.) Dumort. walllettuceNothocalais alpestris (Gray) Chambers alpine lake prairiedandelionNothocalais troximoides (Gray) Greene weevil microserisOnopordum acanthium L. Scotch cottonthistleOreostemma GreeneOreostemma alpigenum (Torr. & Gray) NesomOreostemma alpigenum var. alpigenum (Torr. & Gray) NesomOreostemma alpigenum var. andersonii (Gray) NesomOreostemma alpigenum var. haydenii (Porter) NesomPetasites frigidus (L.) Fries Arctic sweet coltsfootPetasites frigidus var. palmatus (Ait.) Cronq. Arctic sweet coltsfootPetasites palmatus (Ait.) Gray = Petasites frigidus var. palmatusPrenanthes alata (Hook.) D. Dietr. western rattlesnakerootPseudognaphalium californicum (DC.) A. Anderb.Pseudognaphalium canescens (DC.) W.A. WeberPseudognaphalium canescens ssp. microcephalum (Nutt.) Kartesz, comb. nov. ined.Pseudognaphalium luteoalbum (L.) Hilliard & BurttPseudognaphalium stramineum (Kunth) W.A. WeberPseudognaphalium viscosum (Kunth) W.A. WeberPsilocarphus brevissimus Nutt. short woollyheadsPsilocarphus brevissimus var. brevissimus Nutt. short woollyheadsPsilocarphus elatior (Gray) Gray meadow woollyheadsPsilocarphus oregonus Nutt. Oregon woollyheadsPsilocarphus tenellus Nutt. slender woollyheadsPsilocarphus tenellus var. tenellus Nutt. slender woollyheadsPyrrocoma carthamoides Hook. largeflower goldenweed

Pyrrocoma carthamoides var. carthamoides Hook. loved goldenweedPyrrocoma carthamoides var. cusickii (Gray) Kartesz & Gandhi narrowhead goldenweedPyrrocoma hirta (Gray) Greene tacky goldenweedPyrrocoma hirta var. hirta (Gray) Greene hairy goldenweedPyrrocoma hirta var. sonchifolia (Greene) Kartesz & Gandhi tacky goldenweedPyrrocoma lanceolata (Hook.) Greene lanceleaf goldenweedPyrrocoma linearis (Keck) Kartesz & Gandhi thinleaf goldenheadPyrrocoma racemosa (Nutt.) Torr. & Gray clustered goldenweedPyrrocoma racemosa var. paniculata (Nutt.) Kartesz & Gandhi clustered goldenweedPyrrocoma racemosa var. racemosa (Nutt.) Torr. & Gray clustered goldenweedPyrrocoma radiata Nutt. ray goldenweedPyrrocoma uniflora (Hook.) Greene plantain goldenweedPyrrocoma uniflora var. uniflora (Hook.) Greene plantain goldenweedRafinesquia californica Nutt. California plumseedRaillardella argentea (Gray) Gray silky raillardellaRaillardella scaposa (Gray) Gray stem raillardellaRainiera stricta (Greene) Greene false silverbackRigiopappus leptocladus Gray wireweedRudbeckia californica Gray California coneflowerRudbeckia glaucescens Eastw.Rudbeckia montana GrayRudbeckia occidentalis Nutt. western coneflowerRudbeckia occidentalis var. occidentalis Nutt. western coneflowerSaussurea americana D.C. Eat.


American saussureaSenecio bicolor (Willd.) Todaro silver ragwortSenecio bicolor ssp. cineraria (DC.) Chater silver ragwortSenecio bolanderi Gray Bolander's ragwortSenecio bolanderi var. bolanderi Gray Bolander's ragwortSenecio bolanderi var. harfordii (Greenm.) T.M. Barkl. Harford's ragwortSenecio canus Hook. woolly groundselSenecio crassulus Gray thickleaf groundselSenecio cymbalarioides Buek cleftleaf groundselSenecio dimorphophyllus Greene splitleaf groundselSenecio ertterae T.M. Barkl. Ertter's ragwortSenecio eurycephalus Torr. & Gray ex Gray widehead groundselSenecio eurycephalus var. eurycephalus Torr. & Gray ex Gray Siskiyou ragwortSenecio flettii Wieg. Flett's ragwortSenecio fremontii Torr. & Gray Fremont's groundselSenecio fremontii var. fremontii Torr. & Gray Fremont's groundselSenecio hesperius Greene western ragwortSenecio hydrophiloides Rydb. tall groundwelSenecio hydrophilus Nutt. water groundselSenecio indecorus Greene elegant groundselSenecio integerrimus Nutt. lambstongue groundselSenecio integerrimus var. exaltatus (Nutt.) Cronq. Columbia groundselSenecio integerrimus var. ochroleucus (Gray) Cronq. paleyellow groundsel

Senecio jacobaea L. stinking willieSenecio macounii Greene Siskiyou Mountain ragwortSenecio multilobatus Torr. & Gray ex Gray lobeleaf groundselSenecio pauciflorus Pursh alpine groundselSenecio pauperculus Michx. balsam groundselSenecio pseudaureus Rydb. falsegold groundselSenecio pseudaureus var. pseudaureus Rydb. falsegold groundselSenecio serra Hook. butterweed groundselSenecio serra var. serra Hook. tall ragwortSenecio sphaerocephalus Greene ballhead groundselSenecio streptanthifolius Greene cleftleaf groundselSenecio streptanthifolius var. oodes (Rydb.) J.F. Bain Rocky Mountain groundselSenecio streptanthifolius var. streptanthifolius Greene cleftleaf groundselSenecio sylvaticus L. woodland ragwortSenecio triangularis Hook. arrowleaf groundselSenecio vulgaris L. common groundselSericocarpus oregonensis Nutt.Sericocarpus oregonensis var. oregonensis Nutt.Sericocarpus rigidus Lindl.Silybum marianum (L.) Gaertn. blessed milkthistleSolidago californica Nutt. California goldenrodSolidago canadensis L. Canada goldenrodSolidago canadensis var. salebrosa (Piper) M.E. Jones salebrosa goldenrodSolidago gigantea Ait. giant goldenrod


Solidago missouriensis Nutt. Missouri goldenrodSolidago missouriensis var. missouriensis Nutt. Missouri goldenrodSolidago missouriensis var. tolmieana (Gray) Cronq. Tolmies' goldenrodSolidago multiradiata Ait. mountain goldenrodSolidago simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex var. nana (Gray) Ringius dwarf goldenrodSolidago simplex ssp. simplex var. simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex var. spathulata Solidago spathulata var. spathulata DC. coastaldune goldenrodSolidago spectabilis (D.C. Eat.) Gray Nevada goldenrodSoliva Ruiz & Pavon solivaSoliva sessilis Ruiz & Pavon field solivaSonchus arvensis L. field sowthistleSonchus arvensis ssp. arvensis L. field sowthistleSonchus arvensis ssp. uliginosus (Bieb.) Nyman moist sowthistleSonchus asper (L.) Hill spiny sowthistleSonchus oleraceus L. common sowthistleSphaeromeria cana (D.C. Eat.) Heller rod tansySphaeromeria potentilloides (Gray) Heller powerful tansySphaeromeria potentilloides var. potentilloides (Gray) Heller fivefinger chickensageStenotus acaulis (Nutt.) Nutt. stemless mock goldenweedStenotus acaulis var. acaulis (Nutt.) Nutt. stemless goldenweed

Stenotus lanuginosus (Gray) Greene woolly mock goldenweedStenotus lanuginosus var. lanuginosus (Gray) Greene cespitose goldenweedStenotus stenophyllus (Gray) Greene narrowleaf goldenweedStephanomeria elata Nutt. Santa Barbara wirelettuceStephanomeria exigua Nutt. small wirelettuceStephanomeria exigua ssp. coronaria (Greene) Gottlieb whiteplume wirelettuceStephanomeria lactucina Gray lettuce wirelettuceStephanomeria malheurensis Gottlieb Malheur wirelettuceStephanomeria paniculata Nutt. tufted wirelettuceStephanomeria spinosa (Nutt.) S. Tomb thorn skeletonweedStephanomeria tenuifolia (Raf.) Hall narrowleaf wirelettuceStephanomeria tenuifolia var. myrioclada (D.C. Eat.) Cronq. narrowleaf wirelettuceStephanomeria tenuifolia var. tenuifolia (Raf.) Hall narrowleaf wirelettuceStephanomeria virgata Benth. rod wirelettuceStephanomeria virgata ssp. pleurocarpa (Greene) Gottlieb wand wirelettuceStylocline psilocarphoides M.E. Peck baretwig styloclineTanacetum balsamita L. = Balsamita majorTanacetum camphoratum Less. camphor tansyTanacetum parthenium (L.) Schultz-Bip. feverfewTanacetum vulgare L. common tansyTaraxacum laevigatum (Willd.) DC. rock dandelionTaraxacum officinale G.H. Weber ex Wiggers common dandelionTaraxacum officinale ssp. ceratophorum (Ledeb.) Schinz ex Thellung


fleshy dandelionTaraxacum officinale ssp. officinale G.H. Weber ex Wiggers wandering dandelionTetradymia axillaris A. Nels. longspine horsebrushTetradymia canescens DC. spineless horsebrushTetradymia glabrata Torr. & Gray littleleaf horsebrushTetradymia spinosa Hook. & Arn. shortspine horsebrushTonestus lyallii (Gray) A. Nels. Lyall's goldenweedTownsendia alpigena Piper Wyoming townsendiaTownsendia alpigena var. alpigena Piper mountain townsendiaTownsendia florifer (Hook.) Gray showy townsendiaTownsendia parryi D.C. Eat. Parry's townsend daisyTownsendia scapigera D.C. Eat. tufted townsend daisyTragopogon dubius Scop. yellow salsifyTragopogon porrifolius L. salsifyTragopogon pratensis L. meadow salsifyTrimorpha acris (L.) Nesom bitter boreal daisyTrimorpha lonchophylla var. lonchophylla (Hook.) Nesom spearleaf fleabaneTripleurospermum maritima (L.) W.D.J. KochTripleurospermum maritima ssp. maritima (L.) W.D.J. KochUropappus linearifolius Nutt.Wyethia X cusickii Piper (pro sp.) Cusick's mulesearsWyethia amplexicaulis (Nutt.) Nutt. mulesears wyethiaWyethia angustifolia (DC.) Nutt. California compassplantWyethia helianthoides Nutt. sunflower wyethiaWyethia mollis Gray

woolly wyethiaXanthium spinosum L. spiny cockleburrXanthium strumarium L. rough cockleburrXanthium strumarium var. canadense (P. Mill.) Torr. & Gray Canada cockleburrXanthium strumarium var. glabratum (DC.) Cronq. rough cockleburrXanthium strumarium var. strumarium L. rough cockleburr

CONVOLVULACEAECalystegia atriplicifolia Hallier f. nightblooming false bindweedCalystegia atriplicifolia ssp. atriplicifolia Hallier f. nightblooming false bindweedCalystegia occidentalis (Gray) Brummitt chaparral false bindweedCalystegia occidentalis ssp. occidentalis (Gray) Brummitt chaparral false bindweedCalystegia occidentalis ssp. occidentalis var. occidentalis (Gray) Brummitt chaparral false bindweedCalystegia sepium (L.) R. Br. hedge false bindweedCalystegia sepium ssp. sepium (L.) R. Br. hedge false bindweedCalystegia soldanella (L.) R. Br. ex Roemer & J.A. Schultes seashore false bindweedConvolvulus arvensis L. field bindweedCressa truxillensis Kunth spreading alkaliweedCuscuta approximata Bab. alfalfa dodderCuscuta approximata var. urceolata (Kunze) Yuncker alfalfa dodderCuscuta californica Hook. & Arn. chaparral dodderCuscuta californica var. breviflora Engelm. California dodderCuscuta californica var. californica Hook. & Arn. California dodder


Cuscuta ceanothi Behr canyon dodderCuscuta cephalanthi Engelm. buttonbush dodderCuscuta epithymum L. clover dodderCuscuta gronovii Willd. ex J.A. Schultes scaldweedCuscuta pentagona Engelm. fiveangled dodderCuscuta pentagona var. pentagona Engelm. fiveangled dodderCuscuta salina Engelm. saltmarsh dodderCuscuta salina var. major Yuncker goldenthreadCuscuta suksdorfii Yuncker mountain dodderCuscuta suksdorfii var. suksdorfii Yuncker Suksdorf's dodderDichondra occidentalis House western ponysfoot

CORNACEAECornus alba var. californica (C.A. Mey.) Boivin = Cornus sericea ssp. occidentalisCornus canadensis L. bunchberry dogwoodCornus glabrata Benth. brown dogwoodCornus nuttallii Audubon ex Torr. & Gray Pacific dogwoodCornus sericea L. redosier dogwoodCornus sericea ssp. occidentalis (Torr. & Gray) Fosberg western dogwoodCornus stolonifera var. occidentalis (Torr. & Gray) C.L. Hitchc. = Cornus sericea ssp. occidentalis

CRASSULACEAECrassula aquatica (L.) Schoenl. water pygmyweedCrassula connata (Ruiz & Pavon) Berger sand pygmyweed

Crassula connata var. connata (Ruiz & Pavon) Berger sand pygmyweedCrassula connata var. subsimplex (S. Wats.) Bywater & Wickens sand pygmyweedCrassula saginoides (Maxim.) Bywater & Wickens wrinkleseed pygmyweedCrassula solierii (Gray) Meigen smoothseed pygmyweedDudleya farinosa (Lindl.) Britt. & Rose powdery liveforeverRhodiola = Sedum Sedum acre L. goldmoss stonecropSedum borschii (Clausen) Clausen Leiberg stonecropSedum debile S. Wats. orpine stonecropSedum divergens S. Wats. Pacific stonecropSedum integrifolium (Raf.) A. Nels. ledge stonecropSedum integrifolium ssp. integrifolium (Raf.) A. Nels. entireleaf stonecropSedum lanceolatum Torr. spearleaf stonecropSedum lanceolatum ssp. lanceolatum Torr. spearleaf stonecropSedum laxum (Britt.) Berger roseflower stonecropSedum laxum ssp. heckneri (M.E. Peck) Clausen Heckner's stonecropSedum laxum ssp. laxum (Britt.) Berger roseflower stonecropSedum moranii Clausen Rogue River stonecropSedum oblanceolatum Clausen oblongleaf stonecropSedum obtusatum Gray Sierran stonecropSedum obtusatum ssp. retusum (Rose) Clausen Sierran stonecropSedum oreganum Nutt. kings crownSedum oreganum ssp. oreganum Nutt.


Oregon stonecropSedum oreganum ssp. tenue Clausen Oregon stonecropSedum oregonense (S. Wats.) M.E. Peck cream stonecropSedum radiatum S. Wats. Coast Range stonecropSedum radiatum ssp. ciliosum (T.J. Howell) Clausen Coast Range stonecropSedum radiatum ssp. depauperatum Clausen Coast Range stonecropSedum radiatum ssp. radiatum S. Wats. Coast Range stonecropSedum rosea (L.) Scop. roseroot stonecropSedum spathulifolium Hook. broadleaf stonecropSedum spathulifolium ssp. pruinosum (Britt.) Clausen & Uhl broadleaf stonecropSedum spathulifolium ssp. purdyi (Jepson) Clausen Purdy's stonecropSedum spathulifolium ssp. spathulifolium Hook. broadleaf stonecropSedum stenopetalum Pursh wormleaf stonecropSedum stenopetalum ssp. monanthum (Suksdorf) Clausen wormleaf stonecropSedum stenopetalum ssp. stenopetalum Pursh wormleaf stonecropTillaea = Crassula

CROSSOSOMATACEAEGlossopetalon spinescens Gray spiny greasebushGlossopetalon spinescens var. aridum M.E. Jones spiny greasebush

CRUCIFERAEAlliaria petiolata (Bieb.) Cavara & Grande garlic mustardAlyssum alyssoides (L.) L. pale madwort

Alyssum desertorum Stapf desert madwortArabidopsis thaliana (L.) Heynh. mouseear cressArabis X divaricarpa A. Nels. (pro sp.) spreadingpod rockcressArabis aculeolata Greene Waldo rockcressArabis breweri S. Wats. Brewer's rockcressArabis cobrensis M.E. Jones sagebrush rockcressArabis crucisetosa Constance & Rollins wetsoil rockcressArabis cusickii S. Wats. Cusick's rockcressArabis davidsonii Greene Davidson's rockcressArabis drummondii Gray Drummond's rockcressArabis furcata S. Wats. Columbia Gorge rockcressArabis furcata var. furcata S. Wats. Columbia Gorge rockcressArabis glabra (L.) Bernh. tower rockcressArabis glabra var. glabra (L.) Bernh. tower rockcressArabis hirsuta (L.) Scop. hairy rockcressArabis hirsuta var. eschscholtziana (Andrz.) Rollins Eschscholtz's hairy rockcressArabis hirsuta var. glabrata Torr. & Gray mountain rockcressArabis holboellii Hornem. Holboell's rockcressArabis holboellii var. pendulocarpa (A. Nels.) Rollins dropseed rockcressArabis holboellii var. pinetorum (Tidestrom) Rollins Holboell's rockcressArabis holboellii var. retrofracta (Graham) Rydb. second rockcressArabis koehleri T.J. Howell Koehler's rockcressArabis koehleri var. koehleri T.J. Howell


Koehler's rockcressArabis koehleri var. stipitata Rollins Koehler's rockcressArabis lemmonii S. Wats. Lemmon's rockcressArabis lemmonii var. lemmonii S. Wats. Lemmon's rockcressArabis lyallii S. Wats. Lyall's rockcressArabis macdonaldiana Eastw. MacDonald rockcressArabis microphylla Nutt. littleleaf rockcressArabis microphylla var. microphylla Nutt. smallleaf rockcressArabis modesta Rollins Rouge Canyon rockcressArabis nuttallii B.L. Robins. Nuttall's rockcressArabis oregana Rollins Oregon rockcressArabis platysperma Gray pioneer rockcressArabis platysperma var. howellii (S. Wats.) Jepson Howell's pioneer rockcressArabis puberula Nutt. silver rockcressArabis rectissima Greene bristlyleaf rockcressArabis sparsiflora Nutt. sicklepod rockcressArabis sparsiflora var. atrorubens (Suksdorf ex Greene) Rollins elegant rockcressArabis sparsiflora var. sparsiflora Nutt. sicklepod rockcressArabis sparsiflora var. subvillosa (S. Wats.) Rollins hairystem rockcressArabis subpinnatifida S. Wats. Klamath rockcressArabis suffrutescens S. Wats. woody rockcressArabis suffrutescens var. horizontalis (Greene) Rollins horizontal woody rockcressArabis suffrutescens var. suffrutescens S. Wats. woody rockcress

Armoracia armoracia (L.) Britt. = Armoracia rusticanaArmoracia rusticana P.G. Gaertn., B. Mey. & Scherb. horseradishAthysanus pusillus (Hook.) Greene common sandweedBarbarea orthoceras Ledeb. American yellowrocketBarbarea verna (P. Mill.) Aschers. early yellowrocketBarbarea vulgaris Ait. f. garden yellowrocketBrassica alba Rabenh., non L. = Sinapis albaBrassica arvensis (L.) Rabenh. = Sinapis arvensisBrassica campestris L. = Brassica rapa var. rapaBrassica elongata Ehrh. elongated mustardBrassica juncea (L.) Czern. India mustardBrassica nigra (L.) W.D.J. Koch black mustardBrassica rapa L. rape mustardBrassica rapa var. rapa L. birdrapeCakile edentula (Bigelow) Hook. American searocketCakile edentula ssp. edentula (Bigelow) Hook. American searocketCakile maritima Scop. European searocketCamelina microcarpa DC. littlepod falseflaxCamelina rumelica Velen. graceful falseflaxCamelina sativa (L.) Crantz gold-of-pleasureCapsella bursa-pastoris (L.) Medik. shepherd's purseCardamine angulata Hook. seaside bittercressCardamine bellidifolia L.


alpine bittercressCardamine bellidifolia var. pachyphylla Coville & Leib. alpine bittercressCardamine breweri S. Wats. Brewer's bittercressCardamine breweri var. breweri S. Wats. Brewer's bittercressCardamine breweri var. orbicularis (Greene) Detling Sierran bittercressCardamine californica (Nutt.) Greene milkmaidsCardamine californica var. californica (Nutt.) Greene milkmaidsCardamine californica var. sinuata (Greene) O.E. Schulz milkmaidsCardamine cordifolia Gray heartleaf bittercressCardamine cordifolia var. lyallii (S. Wats.) A. Nels. & J.F. Macbr.Cardamine nuttallii Greene Nuttall's toothwortCardamine nuttallii var. gemmata (Greene) RollinsCardamine nuttallii var. nuttallii Greene palmate toothwortCardamine occidentalis (S. Wats. ex B.L. Robins.) T.J. Howell big western bittercressCardamine oligosperma Nutt. Idaho bittercressCardamine oligosperma var. kamtschatica (Regel) Detling umbel bittercressCardamine oligosperma var. oligosperma Nutt. little western bittercressCardamine parviflora L. sand bittercressCardamine parviflora var. arenicola (Britt.) O.E. Schulz sand bittercressCardamine pattersonii Henderson Saddle Mountain bittercressCardamine penduliflora O.E. Schulz Willamette Valley bittercressCardamine pensylvanica Muhl. ex Willd. Pennsylvania bittercressCardaria draba (L.) Desv. pepperweed whitetopCardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetop

Caulanthus crassicaulis (Torr.) S. Wats. thickstem wild cabbageCaulanthus crassicaulis var. crassicaulis (Torr.) S. Wats. thickstem wild cabbageCaulanthus glaucus S. Wats. glaucous wild cabbageCaulanthus lasiophyllus var. lasiophyllus (Hook. & Arn.) Payson coast range wild cabbageCaulanthus pilosus S. Wats. hairy wild cabbageChlorocrambe hastata (S. Wats.) Rydb. spearheadChorispora tenella (Pallas) DC. crossflowerCochlearia armoracia L. = Armoracia rusticanaCochlearia groenlandica L. Danish scurvygrassConringia orientalis (L.) Dumort. hare's ear mustardCoronopus didymus (L.) Sm. lesser swinecressCoronopus squamatus (Forsk.) Aschers. greater swinecressCrambe maritima L. sea kaleCusickiella Rollins false whitlowgrassCusickiella douglasii (Gray) Rollins alkali false whitlowgrassDescurainia californica (Gray) O.E. Schulz Sierran tansymustardDescurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn mountain tansymustardDescurainia incana ssp. incisa (Engelm.) Kartesz & Gandhi mountain tansymustardDescurainia incana ssp. viscosa (Rydb.) Kartesz & Gandhi mountain tansymustardDescurainia paradisa (A. Nels. & Kennedy) O.E. Schulz paradise tansymustardDescurainia pinnata (Walt.) Britt. western tansymustardDescurainia pinnata ssp. filipes (Gray) Detling western tansymustardDescurainia pinnata ssp. halictorum (Cockerell) Detling


western tansymustardDescurainia pinnata ssp. nelsonii (Rydb.) Detling Nelson's tansymustardDiplotaxis muralis (L.) DC. annual wallrocketDraba albertina Greene slender whitlowgrassDraba aureola S. Wats. Mt. Lassen whitlowgrassDraba brachycarpa Nutt. ex Torr. & Gray shortpod whitlowgrassDraba crassifolia Graham snowbed whitlowgrassDraba crassifolia var. crassifolia Graham snowbed whitlowgrassDraba cuneifolia Nutt. ex Torr. & Gray wedgeleaf whitlowgrassDraba cusickii B.L. Robins. ex O.E. Schulz Cusick's whitlowgrassDraba densifolia Nutt. denseleaf whitlowgrassDraba howellii S. Wats. rosette whitlowgrassDraba incerta Payson Yellowstone whitlowgrassDraba lemmonii S. Wats. granite whitlowgrassDraba lemmonii var. cyclomorpha (Payson) O.E. Schulz granite whitlowgrassDraba lonchocarpa Rydb. lancepod whitlowgrassDraba lonchocarpa var. lonchocarpa Rydb. lancepod whitlowgrassDraba nemorosa L. woodland whitlowgrassDraba oligosperma Hook. fewseed whitlowgrassDraba paysonii J.F. Macbr. Payson's whitlowgrassDraba paysonii var. treleasii (O.E. Schulz) C.L. Hitchc. Trelease's whitlowgrassDraba platycarpa Torr. & Gray broadpod whitlowgrassDraba praealta Greene tall whitlowgrass

Draba reptans (Lam.) Fern. Carolina whitlowgrassDraba verna L. spring whitlowgrassErucastrum gallicum (Willd.) O.E. Schulz common dogmustardErysimum arenicola S. Wats. cascade wallflowerErysimum arenicola var. torulosum (Piper) C.L. Hitchc. cascade wallflowerErysimum capitatum (Dougl. ex Hook.) Greene sanddune wallflowerErysimum capitatum var. capitatum (Dougl. ex Hook.) Greene sanddune wallflowerErysimum cheiranthoides L. wormseed wallflowerErysimum franciscanum G. Rossb. San Francisco wallflowerErysimum franciscanum var. franciscanum G. Rossb. San Francisco wallflowerErysimum inconspicuum (S. Wats.) MacM. shy wallflowerErysimum inconspicuum var. inconspicuum (S. Wats.) MacM. shy wallflowerErysimum menziesii (Hook.) Wettst. Menzies' wallflowerErysimum menziesii ssp. concinnum (Eastw.) PriceErysimum occidentale (S. Wats.) B.L. Robins. pale wallflowerErysimum repandum L. spreading wallflowerGuillenia lasiophylla (Hook. & Arn.) GreeneHesperis matronalis L. dames rocketHeterodraba unilateralis (M.E. Jones) Greene ladiestongue mustardHirschfeldia incana (L.) Lagreze-Fossat shortpod mustardHutchinsia procumbens (L.) Desv. prostrate hutchinsiaIberis amara L. annual candytuftIdahoa scapigera (Hook.) A. Nels. & J.F. Macbr. oldstem idahoaIonopsidium acaule (Desf.) Reichenb.


false diamondflowerLepidium bourgeauanum Thellung Bourgeau's pepperweedLepidium campestre (L.) Ait. f. field pepperweedLepidium davisii Rollins Davis' pepperweedLepidium densiflorum Schrad. common pepperweedLepidium densiflorum var. densiflorum Schrad. common pepperweedLepidium densiflorum var. elongatum (Rydb.) Thellung tall pepperweedLepidium densiflorum var. macrocarpum Mulligan bigseed pepperweedLepidium densiflorum var. pubecarpum (A. Nels.) Thellung babyseed pepperweedLepidium dictyotum Gray net pepperweedLepidium dictyotum var. acutidens Gray alkali pepperwortLepidium dictyotum var. dictyotum Gray alkali pepperweedLepidium graminifolium L. grassleaf pepperweedLepidium latifolium L. broadleaved pepperweedLepidium montanum Nutt. mountain pepperweedLepidium montanum var. canescens (Thellung) C.L. Hitchc. mountain pepperweedLepidium montanum var. montanum Nutt. mountain pepperweedLepidium nitidum Nutt. shining pepperweedLepidium nitidum var. nitidum Nutt. shining pepperweedLepidium oblongum Small veiny pepperweedLepidium perfoliatum L. clasping pepperweedLepidium ruderale L. roadside pepperweedLepidium sativum L. gardencress pepperweed

Lepidium strictum (S. Wats.) Rattan upright pepperweedLepidium virginicum L. Virginia pepperweedLepidium virginicum var. medium (Greene) C.L. Hitchc. medium pepperweedLepidium virginicum var. pubescens (Greene) Thellung hairy pepperweedLesquerella douglasii S. Wats. Douglas' bladderpodLesquerella kingii S. Wats. King bladderpodLesquerella kingii ssp. diversifolia (Greene) Rollins & Shaw Wallowa bladderpodLesquerella occidentalis S. Wats. western bladderpodLesquerella occidentalis ssp. occidentalis S. Wats. western bladderpodLobularia maritima (L.) Desv. seaside lobulariaLunaria annua L. annual honestyMalcolmia africana (L.) Ait. f. African mustardMalcolmia maritima (L.) Ait. f. Virginia stockNasturtium armoracia (L.) Fries = Armoracia rusticanaNasturtium nasturtium-aquaticum (L.) Karsten = Rorippa nasturtium-aquaticumPhoenicaulis cheiranthoides Nutt. wallflower phoenicaulisPhysaria chambersii Rollins Chambers' twinpodPhysaria didymocarpa (Hook.) Gray common twinpodPhysaria didymocarpa var. didymocarpa (Hook.) Gray common twinpodPhysaria oregona S. Wats. Oregon twinpodPolyctenium fremontii (S. Wats.) Greene Fremont's polycteniumPolyctenium fremontii var. bisulcatum (Greene) Rollins desert combleafPolyctenium fremontii var. fremontii (S. Wats.) Greene


Fremont's combleafRadicula armoracia (L.) B.L. Robins. = Armoracia rusticanaRaphanus raphanistrum L. wild radishRaphanus sativus L. wild radishRorippa columbiae (Suksdorf ex B.L. Robins.) Suksdorf ex T.J. Howell Columbian yellowcressRorippa curvipes Greene bluntleaf yellowcressRorippa curvipes var. curvipes Greene bluntleaf yellowcressRorippa curvipes var. truncata (Jepson) RollinsRorippa curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcressRorippa curvisiliqua var. curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcressRorippa curvisiliqua var. lyrata (Nutt.) M.E. Peck ex C.L. Hitchc. lyrateleaf yellowcressRorippa curvisiliqua var. nuttallii (S. Wats.) R. Stuckey Nuttall's yellowcressRorippa curvisiliqua var. occidentalis (Greene) R. Stuckey western yellowcressRorippa curvisiliqua var. orientalis R. Stuckey oriental yellowcressRorippa curvisiliqua var. procumbens R. Stuckey curvepod yellowcressRorippa curvisiliqua var. spatulata R. Stuckey curvepod yellowcressRorippa indica (L.) Hiern variableleaf yellowcressRorippa indica var. indica (L.) Hiern variableleaf yellowcressRorippa nasturtium-aquaticum (L.) Hayek watercressRorippa palustris (L.) Bess. bog yellowcressRorippa palustris ssp. fernaldiana (Butters & Abbe) Jonsell Fernald's yellowcressRorippa palustris ssp. hispida (Desv.) Jonsell hispid yellowcressRorippa palustris ssp. occidentalis (S. Wats.) Abrams western bog yellowcress

Rorippa sinuata (Nutt.) A.S. Hitchc. spreading yellowcressRorippa sylvestris (L.) Bess. creeping yellowcressRorippa tenerrima Greene Modoc yellowcressRorippa teres (Michx.) R. Stuckey southern marsh yellowcressSchoenocrambe linifolia (Nutt.) Greene flaxleaf plainsmustardSinapis alba L. white mustardSinapis arvensis L. charlock mustardSinapis nigra L. = Brassica nigraSisymbrium altissimum L. tall tumblemustardSisymbrium loeselii L. small tumbleweed mustardSisymbrium nasturtium-aquaticum L. = Rorippa nasturtium-aquaticumSisymbrium officinale (L.) Scop. hedgemustardSmelowskia calycina (Steph. ex Willd.) C.A. Mey. alpine smelowskiaSmelowskia ovalis M.E. Jones alpine false candytuftSmelowskia ovalis var. ovalis M.E. Jones alpine false candytuftStanleya confertiflora (B.L. Robins.) T.J. Howell Oregon princesplumeStanleya pinnata (Pursh) Britt. desert princesplumeStanleya pinnata var. pinnata (Pursh) Britt. pinnate princesplumeStanleya viridiflora Nutt. green princesplumeStreptanthella longirostris (S. Wats.) Rydb. longbeak streptanthellaStreptanthus cordatus Nutt. heartleaf twistflowerStreptanthus glandulosus Hook. bristly jewelflowerStreptanthus howellii S. Wats.


Howell's jewelflowerStreptanthus tortuosus Kellogg shieldplantStreptanthus tortuosus var. orbiculatus (Greene) Hall shieldplantSubularia aquatica L. waterawlwortSubularia aquatica var. americana (Mulligan & Calder) Boivin American waterawlwortTeesdalia nudicaulis (L.) Ait. f. barestem teesdaliaThelypodium brachycarpum Torr. shortpod thelypodyThelypodium eucosmum B.L. Robins. world thelypodyThelypodium flexuosum B.L. Robins. nodding thelypodyThelypodium howellii S. Wats. Howell's thelypodyThelypodium howellii ssp. howellii S. Wats. Howell's thelypodyThelypodium howellii ssp. spectabilis (M.E. Peck) Al-Shehbaz Howell's thelypodyThelypodium integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypodyThelypodium integrifolium ssp. complanatum Al-Shehbaz entireleaved thelypodyThelypodium integrifolium ssp. integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypodyThelypodium laciniatum (Hook.) Endl. ex Walp. cutleaf thelypodyThelypodium milleflorum A. Nels. manyflower thelypodyThelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. arrow thelypodyThlaspi arvense L. field pennycressThlaspi montanum L. alpine pennycressThlaspi montanum var. montanum L. alpine pennycressThlaspi montanum var. siskiyouense P. Holmgren Siskiyou pennycressThysanocarpus curvipes Hook. sand fringepod

Thysanocarpus radians Benth. ribbed fringepod

CUCURBITACEAEEchinocystis lobata (Michx.) Torr. & Gray wild cucumberMarah oreganus (Torr. ex S. Wats.) T.J. Howell coastal manroot

CUPRESSACEAECalocedrus decurrens (Torr.) Florin incense cedarChamaecyparis lawsoniana (A. Murr.) Parl. Port Orford cedarChamaecyparis nootkatensis (D. Don) Spach Alaska cedarCupressus bakeri Jepson Modoc cypressJuniperus communis L. common juniperJuniperus communis var. montana Ait. common juniperJuniperus occidentalis Hook. western juniperJuniperus occidentalis var. occidentalis Hook. western juniperJuniperus scopulorum Sarg. Rocky Mountain juniperLibocedrus decurrens Torr. = Calocedrus decurrensThuja plicata Donn ex D. Don western redcedar

DIPSACACEAEDipsacus fullonum L. Fuller's teasel

DROSERACEAEDrosera anglica Huds. English sundewDrosera rotundifolia L. roundleaf sundew


DRYOPTERIDACEAEAthyrium alpestre (Hoppe) Milde = Athyrium americanumAthyrium americanum (Butters) Maxon alpine ladyfernAthyrium filix-femina (L.) Roth common ladyfernAthyrium filix-femina ssp. cyclosorum (Rupr.) C. Christens. subarctic ladyfernCystopteris fragilis (L.) Bernh. brittle bladderfernDryopteris arguta (Kaulfuss) Watt coastal woodfernDryopteris campyloptera Clarkson mountain woodfernDryopteris carthusiana (Vill.) H.P. Fuchs spinulose woodfernDryopteris expansa (K. Presl) Fraser-Jenkins & Jermy spreading woodfernDryopteris filix-mas (L.) Schott male fernGymnocarpium disjunctum (Rupr.) Ching Pacific oakfernPolystichum andersonii Hopkins Anderson's hollyfernPolystichum californicum (D.C. Eat.) Diels California swordfernPolystichum imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfernPolystichum imbricans ssp. imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfernPolystichum kruckebergii W.H. Wagner Kruckeberg's hollyfernPolystichum lemmonii Underwood Lemmon's hollyfernPolystichum lonchitis (L.) Roth northern hollyfernPolystichum munitum (Kaulfuss) K. Presl western swordfernPolystichum scopulinum (D.C. Eat.) Maxon mountain hollyfernWoodsia oregana D.C. Eat. Oregon woodsia

Woodsia oregana ssp. oregana D.C. Eat. Oregon cliff fernWoodsia scopulina D.C. Eat. Rocky Mountain woodsia

ELAEAGNACEAEElaeagnus angustifolia L. Russian oliveShepherdia argentea (Pursh) Nutt. silver buffaloberryShepherdia canadensis (L.) Nutt. russet buffaloberry

ELATINACEAEBergia texana (Hook.) Seub. ex Walp. Texas bergiaElatine americana (Pursh) Arn. American waterwortElatine brachysperma Gray shortseed waterwortElatine californica Gray California waterwortElatine triandra Schkuhr threestamen waterwort

EMPETRACEAEEmpetrum nigrum L. black crowberryEmpetrum nigrum ssp. hermaphroditum (Lange ex Hagerup) Bocher black crowberry

EPHEDRACEAEEphedra nevadensis S. Wats. Nevada jointfirEphedra nevadensis var. nevadensis S. Wats. Nevada jointfirEphedra viridis Coville mormon teaEphedra viridis var. viridis Coville mormon tea


EQUISETACEAEEquisetum X ferrissii Clute (pro sp.) Ferriss' horsetailEquisetum X mackaii (Newm.) Brichan MacKai's horsetailEquisetum arvense L. field horsetailEquisetum fluviatile L. water horsetailEquisetum hyemale L. scouringrush horsetailEquisetum hyemale var. affine (Engelm.) A.A. Eat. scouringrush horsetailEquisetum palustre L. marsh horsetailEquisetum telmateia Ehrh. giant horsetailEquisetum telmateia var. braunii (Milde) Milde giant horsetailEquisetum variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrushEquisetum variegatum var. variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrush

ERICACEAEArbutus menziesii Pursh Pacific madroneArctostaphylos X cinerea T.J. Howell (pro sp.) Del Norte manzanitaArctostaphylos X parvifolia T.J. Howell (pro sp.) gravel manzanitaArctostaphylos canescens Eastw. hoary manzanitaArctostaphylos canescens ssp. canescens Eastw. hoary manzanitaArctostaphylos columbiana Piper hairy manzanitaArctostaphylos glandulosa Eastw. Eastwood's manzanitaArctostaphylos glandulosa ssp. glandulosa Eastw. black manzanitaArctostaphylos hispidula T.J. Howell Gasquet manzanita

Arctostaphylos nevadensis Gray pinemat manzanitaArctostaphylos nevadensis ssp. nevadensis Gray pinemat manzanitaArctostaphylos patula Greene greenleaf manzanitaArctostaphylos pungens ssp. hispidula (T.J. Howell) J.B. Roof = Arctostaphylos hispidulaArctostaphylos pungens ssp. nevadensis (Gray) J.B. Roof = Arctostaphylos nevadensisArctostaphylos uva-ursi (L.) Spreng. kinnikinnickArctostaphylos viscida Parry sticky whiteleaf manzanitaArctostaphylos viscida ssp. pulchella (T.J. Howell) P.V. Wells whiteleaf manzanitaArctostaphylos viscida ssp. viscida Parry sticky whiteleaf manzanitaCassiope mertensiana (Bong.) D. Don western moss heatherCassiope mertensiana var. gracilis (Piper) C.L. Hitchc. western moss heatherCassiope mertensiana var. mertensiana (Bong.) D. Don western moss heatherChimaphila menziesii (R. Br. ex D. Don) Spreng. little prince's pineChimaphila umbellata (L.) W. Bart. pipsissewaChimaphila umbellata ssp. occidentalis (Rydb.) Hulten pipsissewaElliottia pyroliflorus (Bong.) S.W. Brim & P.F. Stevens copperbushGaultheria humifusa (Graham) Rydb. alpine spicywintergreenGaultheria ovatifolia Gray western teaberryGaultheria shallon Pursh salalKalmia microphylla (Hook.) Heller alpine laurelKalmia polifolia Wangenh. bog laurelKalmia polifolia ssp. microphylla (Hook.) Calder & Taylor = Kalmia microphyllaKalmiopsis leachiana (Henderson) Rehd.


North Umpqua kalmiopsisLedum X columbianum Piper (pro sp.) coast LabradorteaLedum glandulosum Nutt. Western LabradorteaLedum groenlandicum Oeder bog LabradorteaLedum palustre ssp. groenlandicum (Oeder) Hulten = Ledum groenlandicumLedum palustre var. latifolium (Jacq.) Michx. = Ledum groenlandicumLeucothoe davisiae Torr. ex Gray Sierra laurelMenziesia ferruginea Sm. rusty menziesiaMoneses uniflora (L.) Gray single delightMoneses uniflora ssp. reticulata (Nutt.) Calder & Taylor single delightOrthilia secunda (L.) House sidebells wintergreenOxycoccus = Vaccinium oxycoccosPhyllodoce X intermedia (Hook.) Rydb. (pro sp.) hybrid mountainheathPhyllodoce empetriformis (Sm.) D. Don pink mountainheathPhyllodoce glanduliflora (Hook.) Coville yellow mountainheathPyrola asarifolia Michx. liverleaf wintergreenPyrola asarifolia ssp. asarifolia Michx. liverleaf wintergreenPyrola asarifolia ssp. bracteata (Hook.) Haber pink wintergreenPyrola chlorantha Sw. greenflowered wintergreenPyrola minor L. snowline wintergreenPyrola pallida Greene = Pyrola pictaPyrola picta Sm. whiteveined wintergreenPyrola rotundifolia ssp. asarifolia (Michx.) A.& D. Love = Pyrola asarifolia ssp. asarifolia

Pyrola secunda L. = Orthilia secundaPyrola septentrionalis Andres = Pyrola pictaRhododendron albiflorum Hook. Cascade azaleaRhododendron macrophyllum D. Don ex G. Don Pacific rhododendronRhododendron occidentale (Torr. & Gray ex Torr.) Gray western azaleaRhododendron occidentale var. occidentale (Torr. & Gray ex Torr.) Gray western azaleaVaccinium X nubigenum Fern. (pro sp.) vacciniumVaccinium cespitosum Michx. dwarf blueberryVaccinium deliciosum Piper blueleaved huckleberryVaccinium membranaceum Dougl. ex Torr. blue huckleberryVaccinium ovalifolium Sm. ovalleaf blueberryVaccinium ovatum Pursh evergreen huckleberryVaccinium ovatum var. ovatum Pursh evergreen huckleberryVaccinium oxycoccos L. small cranberryVaccinium parvifolium Sm. red huckleberryVaccinium scoparium Leib. ex Coville grouse whortleberryVaccinium uliginosum L. bog blueberry

EUPHORBIACEAEChamaesyce glyptosperma (Engelm.) Small ribseed sandmatChamaesyce maculata (L.) Small spotted sandmatChamaesyce serpyllifolia (Pers.) Small thymeleaf sandmatChamaesyce serpyllifolia ssp. serpyllifolia (Pers.) Small


thymeleaf sandmatCroton setigerus Hook. turkey mulleinEremocarpus setigerus (Hook.) Benth. = Croton setigerusEuphorbia crenulata Engelm. Chinese capsEuphorbia cyparissias L. cypress spurgeEuphorbia esula L. wolf's milkEuphorbia helioscopia L. madwoman's milkEuphorbia lathyris L. moleplantEuphorbia maculata L. = Chamaesyce maculataEuphorbia peplus L. petty spurgeEuphorbia serpyllifolia Pers. = Chamaesyce serpyllifolia ssp. serpyllifoliaEuphorbia spathulata Lam. warty spurgeEuphorbia supina Raf. = Chamaesyce maculata

FAGACEAEChrysolepis HjelmquistChrysolepis chrysophylla (Dougl. ex Hook.) HjelmqvistChrysolepis chrysophylla var. chrysophylla (Dougl. ex Hook.) HjelmqvistChrysolepis sempervirens (Kellogg) HjelmqvistLithocarpus densiflorus (Hook. & Arn.) Rehd. tanoakLithocarpus densiflorus var. densiflorus (Hook. & Arn.) Rehd. tanoakLithocarpus densiflorus var. echinoides (R. Br.) Abrams tanoakQuercus X moreha Kellogg (pro sp.) oracle oakQuercus chrysolepis Liebm. canyon live oakQuercus chrysolepis var. chrysolepis Liebm. canyon live oak

Quercus garryana Dougl. ex Hook. Oregon white oakQuercus garryana var. breweri (Engelm.) Jepson Brewer's oakQuercus garryana var. garryana Dougl. ex Hook. Oregon white oakQuercus kelloggii Newberry California black oakQuercus sadleriana R. Br. Campst. deer oakQuercus vacciniifolia Kellogg huckleberry oak

FRANKENIACEAEFrankenia pulverulenta L. European seaheath

FUMARIACEAECorydalis aquae-gelidae M.E. Peck & Wilson coldwater fumewortCorydalis aurea Willd. scrambledeggsCorydalis aurea ssp. occidentalis (Engelm. ex Gray) G.B. Ownbey scrambledeggsCorydalis caseana Gray Sierran fumewortCorydalis caseana ssp. cusickii (S. Wats.) G.B. Ownbey Cusick's fumewortCorydalis lutea (L.) DC. = Pseudofumaria luteaCorydalis scouleri Hook. Scouler's fumewortDicentra cucullaria (L.) Bernh. dutchman's breechesDicentra formosa (Haw.) Walp. Pacific bleedingheartsDicentra formosa ssp. formosa (Haw.) Walp. Pacific bleedingheartsDicentra formosa ssp. oregona (Eastw.) Munz Oregon bleedingheartsDicentra pauciflora S. Wats. shorthorn steersheadDicentra uniflora Kellogg longhorn steershead


Fumaria officinalis L. drug fumitoryPseudofumaria Medik. pseudofumariaPseudofumaria lutea (L.) Borkh. rock fumewort

GARRYACEAEGarrya buxifolia Gray dwarf silktasselGarrya elliptica Dougl. ex Lindl. wavyleaf silktasselGarrya fremontii Torr. bearbrush

GENTIANACEAECentaurium erythraea Rafn European centauryCentaurium exaltatum (Griseb.) W. Wight ex Piper desert centauryCentaurium muehlenbergii (Griseb.) W. Wight ex Piper Muhlenberg's centauryCicendia quadrangularis (Lam.) Griseb. Oregon timwortErythraea centaurium of authors = Centaurium erythraeaFrasera albicaulis Dougl. ex Griseb. whitestem elkweedFrasera albicaulis var. albicaulis Dougl. ex Griseb. whitestem elkweedFrasera albicaulis var. columbiana (St. John) C.L. Hitchc. whitestem elkweedFrasera albicaulis var. cusickii (Gray) C.L. Hitchc. Cusick's elkweedFrasera albicaulis var. idahoensis (St. John) C.L. Hitchc. Idaho elkweedFrasera albicaulis var. modocensis (St. John) N. Holmgren Modoc elkweedFrasera albicaulis var. nitida (Benth.) C.L. Hitchc. whitestem elkweedFrasera fastigiata (Pursh) Heller clustered elkweed

Frasera speciosa Dougl. ex Griseb. showy fraseraGentiana affinis Griseb. pleated gentianGentiana amarella L. auct. p.p. = Gentianella amarella ssp. acutaGentiana calycosa Griseb. Rainier pleated gentianGentiana holopetala (Gray) Holm = Gentianopsis holopetalaGentiana newberryi Gray alpine gentianGentiana newberryi var. newberryi Gray Newberry's alpine gentianGentiana plurisetosa C.T. Mason bristly gentianGentiana prostrata Haenke pygmy gentianGentiana rusbyi Greene = Gentiana affinisGentiana sceptrum Griseb. king's scepter gentianGentiana setigera Gray Mendocino gentianGentiana simplex Gray = Gentianopsis simplexGentiana tenella Rottb. = Gentianella tenella ssp. tenellaGentianella amarella (L.) Boerner autumn dwarfgentianGentianella amarella ssp. acuta (Michx.) J. Gillett autumn dwarfgentianGentianella propinqua (Richards.) J. Gillett fourpart dwarfgentianGentianella tenella (Rottb.) Boerner Dane's dwarfgentianGentianella tenella ssp. tenella (Rottb.) Boerner Dane's dwarfgentianGentianopsis holopetala (Gray) Iltis Sierran fringedgentianGentianopsis simplex (Gray) Iltis oneflower fringedgentianSwertia albicaulis (Dougl. ex Griseb.) Kuntze = Frasera albicaulis var. albicaulisSwertia radiata (Kellogg) Kuntze


= Frasera speciosa

GERANIACEAEErodium botrys (Cav.) Bertol. longbeak stork's billErodium cicutarium (L.) L'Her. ex Ait. redstem stork's billErodium cicutarium ssp. cicutarium (L.) L'Her. ex Ait. redstem stork's billErodium cicutarium ssp. jacquinianum (Fisch., C.A. Mey. & Ave-Lall.) Briq. redstem stork's billErodium macrophyllum Hook. & Arn. roundleaf stork's billErodium macrophyllum var. macrophyllum Hook. & Arn. roundleaf stork's billErodium moschatum (L.) L'Her. ex Ait. musky stork's billGeranium bicknellii Britt. Bicknell's cranesbillGeranium bicknellii var. longipes (S. Wats.) Fern. northern cranesbillGeranium carolinianum L. Carolina geraniumGeranium carolinianum var. carolinianum L. Carolina geraniumGeranium columbinum L. longstalk cranesbillGeranium dissectum L. cutleaf geraniumGeranium lucidum L. shining geraniumGeranium molle L. dovefoot geraniumGeranium oreganum T.J. Howell Oregon geraniumGeranium pusillum L. small geraniumGeranium richardsonii Fisch. & Trautv. Richardson's geraniumGeranium robertianum L. Robert geraniumGeranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky geranium

Geranium viscosissimum var. nervosum (Rydb.) C.L. Hitchc. sticky purple geraniumGeranium viscosissimum var. viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky purple geranium

GROSSULARIACEAEGrossularia = Ribes Ribes acerifolium T.J. Howell mapleleaf currantRibes aureum Pursh golden currantRibes aureum var. aureum Pursh golden currantRibes binominatum Heller ground gooseberryRibes bracteosum Dougl. ex Hook. stink currantRibes cereum Dougl. wax currantRibes cereum var. cereum Dougl. wax currantRibes cereum var. colubrinum C.L. Hitchc. wax currantRibes cruentum Greene shinyleaf currantRibes cruentum var. cruentum Greene shinyleaf currantRibes cruentum var. oregonense Berger Oregon currantRibes divaricatum Dougl. spreading gooseberryRibes divaricatum var. divaricatum Dougl. coastal black gooseberryRibes erythrocarpum Coville & Leib. Crater Lake currantRibes hudsonianum Richards. northern black currantRibes hudsonianum var. petiolare (Dougl.) Jancz. western black currantRibes inerme Rydb. whitestem gooseberryRibes inerme var. inerme Rydb.


whitestem gooseberryRibes inerme var. klamathense (Coville) Jepson Klamath gooseberryRibes lacustre (Pers.) Poir. prickly currantRibes laxiflorum Pursh trailing black currantRibes lobbii Gray gummy gooseberryRibes marshallii Greene Hupa gooseberryRibes menziesii Pursh canyon gooseberryRibes menziesii var. menziesii Pursh Menzies' gooseberryRibes montigenum McClatchie gooseberry currantRibes nevadense Kellogg Sierran currantRibes niveum Lindl. snow currantRibes oxyacanthoides L. Canadian gooseberryRibes oxyacanthoides ssp. cognatum (Greene) Sinnott stream currantRibes oxyacanthoides ssp. irriguum (Dougl.) Sinnott Idaho gooseberryRibes rubrum L. cultivated currantRibes sanguineum Pursh redflower currantRibes sanguineum var. glutinosum (Benth.) Loud. blood currantRibes sanguineum var. sanguineum Pursh redflower currantRibes triste Pallas red currantRibes velutinum Greene desert gooseberryRibes velutinum var. gooddingii (M.E. Peck) C.L. Hitchc. Gooding's gooseberryRibes velutinum var. velutinum Greene desert gooseberryRibes viscosissimum Pursh sticky currant

Ribes viscosissimum var. viscosissimum Pursh sticky currantRibes watsonianum Koehne spring gooseberryRibes wolfii Rothrock Wolf's currant

HALORAGACEAEMyriophyllum aquaticum (Vell.) Verdc. parrot feather watermilfoilMyriophyllum hippuroides Nutt. ex Torr. & Gray western watermilfoilMyriophyllum quitense Kunth Andean watermilfoilMyriophyllum sibiricum Komarov shortspike watermilfoilMyriophyllum verticillatum L. whorlleaf watermilfoil

HIPPURIDACEAEHippuris vulgaris L. common marestail

HYDRANGEACEAEPhiladelphus californicus Benth. California mockorangePhiladelphus insignis Carr. summer mockorangePhiladelphus lewisii Pursh Lewis' mockorangePhiladelphus lewisii var. ellipticus Hu Lewis' mockorangePhiladelphus lewisii var. gordonianus (Lindl.) Jepson Gordon's mockorangePhiladelphus lewisii var. helleri (Rydb.) Hu Heller's mockorangePhiladelphus lewisii var. intermedius (A. Nels.) Hu intermediate mockorangePhiladelphus lewisii var. lewisii Pursh Lewis' mockorangePhiladelphus lewisii var. oblongifolius Hu Lewis' mockorangePhiladelphus oreganus Nutt. ex Torr. & Gray


Oregon mockorangePhiladelphus trichothecus Hu Columbian mockorangeWhipplea modesta Torr. common whipplea

HYDROCHARITACEAEEgeria densa Planch. Brazilian waterweedElodea canadensis Michx. Canadian waterweedElodea nuttallii (Planch.) St. John western waterweedVallisneria americana Michx. American eelgrass

HYDROPHYLLACEAEEriodictyon californicum (Hook. & Arn.) Torr. California yerbasantaHesperochiron californicus (Benth.) S. Wats. California hesperochironHesperochiron pumilus (Dougl. ex Griseb.) Porter dwarf hesperochironHydrophyllum capitatum Dougl. ex Benth. ballhead waterleafHydrophyllum capitatum var. alpinum S. Wats. alpine waterleafHydrophyllum capitatum var. capitatum Dougl. ex Benth. ballhead waterleafHydrophyllum capitatum var. thompsonii (M.E. Peck) Constance Thompson's waterleafHydrophyllum fendleri (Gray) Heller Fendler's waterleafHydrophyllum fendleri var. albifrons (Heller) J.F. Macbr. white waterleafHydrophyllum fendleri var. fendleri (Gray) Heller Fendler's waterleafHydrophyllum occidentale (S. Wats.) Gray western waterleafHydrophyllum tenuipes Heller Pacific waterleafNama aretioides (Hook. & Arn.) Brand ground nama

Nama densum J.G. Lemmon leafy namaNama densum var. densum J.G. Lemmon leafy fiddleleafNama densum var. parviflorum (Greenm.) C.L. Hitchc. leafy fiddleleafNama lobbii Gray Lobb's fiddleleafNemophila breviflora Gray basin nemophilaNemophila heterophylla Fisch. & C.A. Mey. small baby blue eyesNemophila kirtleyi Henderson Kirtley's nemophilaNemophila menziesii Hook. & Arn. Menzies' baby blue eyesNemophila menziesii var. atomaria (Fisch. & C.A. Mey.) Chandler Menzies' baby blue eyesNemophila parviflora Dougl. ex Benth. smallflower nemophilaNemophila parviflora var. austiniae (Eastw.) Brand grooveloverNemophila parviflora var. parviflora Dougl. ex Benth. grooveloverNemophila pedunculata Dougl. ex Benth. littlefoot nemophilaPhacelia adenophora J.T. Howell glandular yellow scorpionweedPhacelia argentea A. Nels. & J.F. Macbr. sanddune scorpionweedPhacelia bicolor Torr. ex S. Wats. twocolor phaceliaPhacelia bolanderi Gray Bolander's scorpionweedPhacelia californica Cham. California scorpionweedPhacelia capitata Kruckeberg clustered scorpionweedPhacelia corymbosa Jepson serpentine scorpionweedPhacelia glandulifera PiperPhacelia gymnoclada Torr. ex S. Wats. nakedstem scorpionweedPhacelia hastata Dougl. ex Lehm. silverleaf phacelia


Phacelia hastata var. compacta (Brand) Cronq. compact phaceliaPhacelia hastata var. hastata Dougl. ex Lehm. silverleaf phaceliaPhacelia heterophylla Pursh varileaf phaceliaPhacelia heterophylla ssp. heterophylla Pursh varileaf phaceliaPhacelia heterophylla ssp. virgata (Greene) Heckard varileaf phaceliaPhacelia humilis Torr. & Gray low scorpionweedPhacelia humilis var. humilis Torr. & Gray low scorpionweedPhacelia hydrophylloides Torr. ex Gray waterleaf phaceliaPhacelia inundata J.T. Howell playa yellow scorpionweedPhacelia ivesiana Torr. Ives' phaceliaPhacelia leibergii Brand Leiberg's scorpionweedPhacelia leptosepala Rydb. narrowsepal scorpionweedPhacelia linearis (Pursh) Holz. threadleaf phaceliaPhacelia lutea (Hook. & Arn.) J.T. Howell yellow phaceliaPhacelia lutea var. calva Cronq. Owyhee phaceliaPhacelia lutea var. lutea (Hook. & Arn.) J.T. Howell yellow phaceliaPhacelia lutea var. mackenzieorum J. Grimes & Packard MacKenzie's phaceliaPhacelia mutabilis Greene changeable scorpionweedPhacelia nemoralis Greene shade scorpionweedPhacelia nemoralis ssp. nemoralis Greene shade scorpionweedPhacelia nemoralis ssp. oregonensis Heckard Oregon scorpionweedPhacelia peckii J.T. Howell Peck's scorpionweedPhacelia procera Gray

mountain phaceliaPhacelia ramosissima Dougl. ex Lehm. branching phaceliaPhacelia ramosissima var. eremophila (Greene) J.F. Macbr. brancing phaceliaPhacelia ramosissima var. ramosissima Dougl. ex Lehm. branching phaceliaPhacelia ramosissima var. subglabra M.E. Peck branching phaceliaPhacelia rattanii Gray Rattan's phaceliaPhacelia scopulina (A. Nels.) J.T. Howell Debeque phaceliaPhacelia scopulina var. scopulina (A. Nels.) J.T. Howell Debeque phaceliaPhacelia sericea (Graham) Gray silky phaceliaPhacelia sericea ssp. ciliosa (Rydb.) Gillett purplefringePhacelia sericea ssp. sericea (Graham) Gray purplefringePhacelia tetramera J.T. Howell fourpart scorpionweedPhacelia thermalis Greene heated phaceliaPhacelia verna T.J. Howell spring scorpionweedRomanzoffia californica Greene California mistmaidenRomanzoffia sitchensis Bong. Sitka mistmaidenRomanzoffia tracyi Jepson Tracy's mistmaiden

IRIDACEAEIris bracteata S. Wats. Siskiyou irisIris chrysophylla T.J. Howell yellowleaf irisIris douglasiana Herbert Douglas irisIris innominata Henderson Del Norte County irisIris missouriensis Nutt.


Rocky Mountain irisIris pseudacorus L. paleyellow irisIris purdyi Eastw. Purdy's irisIris tenax Dougl. ex Lindl. toughleaf irisIris tenax ssp. tenax Dougl. ex Lindl. toughleaf irisIris tenuis S. Wats. Clackamas irisIris thompsonii R.C. Foster Thompson's irisOlsynium douglasii (A. Dietr.) Bickn. Douglas' olsyniumOlsynium douglasii var. douglasii (A. Dietr.) Bickn. Douglas' olsyniumOlsynium douglasii var. inflatum (Suksdorf) Cholewa & D. Henderson inflated olsyniumSisyrinchium angustifolium P. Mill. narrowleaf blueeyed grassSisyrinchium bellum S. Wats. western blueeyed grassSisyrinchium californicum (Ker-Gawl. ex Sims) Ait. golden blueeyed grassSisyrinchium hitchcockii D. Henderson Hitchcock's blueeyed grassSisyrinchium idahoense Bickn. Idaho blueeyed grassSisyrinchium idahoense var. idahoense Bickn. Idaho blueeyed grassSisyrinchium idahoense var. segetum (Bickn.) D. Henderson Idaho blueeyed grassSisyrinchium sarmentosum Suksdorf ex Greene mountain blueeyed grass

ISOETACEAEIsoetes bolanderi Engelm. Bolander's quillwortIsoetes bolanderi var. bolanderi Engelm. Bolander's quillwortIsoetes howellii Engelm. Howell's quillwort

Isoetes lacustris L. lake quillwortIsoetes nuttallii A. Braun ex Engelm. Nuttall's quillwortIsoetes occidentalis Henderson western quillwortIsoetes tenella LÇman

LABIATAEAgastache cusickii (Greenm.) Heller Cusick's giant hyssopAgastache occidentalis (Piper) Heller western giant hyssopAgastache urticifolia (Benth.) Kuntze nettleleaf giant hyssopAgastache urticifolia var. glaucifolia (Heller) Cronq. nettleleaf giant hyssopAgastache urticifolia var. urticifolia (Benth.) Kuntze nettleleaf giant hyssopAjuga reptans L. common bugleDracocephalum parviflorum Nutt. American dragonheadGlechoma hederacea L. groundivyLamium amplexicaule L. henbit deadnettleLamium maculatum L. spotted henbitLamium purpureum L. purple deadnettleLycopus americanus Muhl. ex W. Bart. American waterhorehoundLycopus asper Greene rough bugleweedLycopus rubellus Moench taperleaf waterhorehoundLycopus uniflorus Michx. northern bugleweedMarrubium vulgare L. horehoundMelissa officinalis L. common balmMentha X piperita L. (pro sp.)


peppermintMentha X rotundifolia (L.) Huds. (pro sp.) mintMentha X villosa Huds. (pro sp.) hairy mintMentha aquatica L. water mintMentha arvensis L. wild mintMentha arvensis auct. non L. = Mentha canadensisMentha canadensis L. (??) Canadian mintMentha citrata Ehrh. = Mentha aquaticaMentha crispa L. = Mentha X piperitaMentha pulegium L. pennyroyalMentha spicata L. spearmintMentha viridis L. = Mentha spicataMicromeria chamissonis (Benth.) Greene = Satureja douglasiiMoldavica parviflora (Nutt.) Britt. = Dracocephalum parviflorumMoluccella laevis L. shellflowerMonarda didyma L. scarlet beebalmMonardella glauca GreeneMonardella odoratissima Benth. Pacific monardellaMonardella odoratissima ssp. discolor (Greene) Epling alpine mountainbalmMonardella odoratissima ssp. odoratissima Benth. alpine mountainbalmMonardella odoratissima ssp. pallida (Heller) Epling alpine mountainbalmMonardella sheltonii (Torr.) T.J. HowellMonardella villosa Benth. coyote mintMonardella villosa ssp. villosa Benth. coyote mountainbalm

Nepeta cataria L. catnipOriganum vulgare L. wild marjoramPhysostegia parviflora Nutt. ex Gray western false dragonheadPogogyne ziziphoroides Benth. Sacramento mesamintPrunella vulgaris L. common selfhealPrunella vulgaris ssp. lanceolata (W. Bart.) Hulten lance selfhealPrunella vulgaris ssp. vulgaris L. common selfhealRosmarinus officinalis L. rosemarySalvia aethiopis L. Mediterranean sageSalvia carnosa Dougl. ex Greene = Salvia dorrii ssp. dorrii var. incanaSalvia dorrii (Kellogg) Abrams grayball sageSalvia dorrii ssp. dorrii (Kellogg) Abrams Dorr's sageSalvia dorrii ssp. dorrii var. dorrii (Kellogg) Abrams Dorr's sageSalvia dorrii ssp. dorrii var. incana (Benth.) Strachan purple sageSatureja chamissonis (Benth.) Briq. = Satureja douglasiiSatureja douglasii (Benth.) Briq. yerba buenaScutellaria angustifolia Pursh narrowleaf skullcapScutellaria antirrhinoides Benth. nose skullcapScutellaria austiniae Eastw. = Scutellaria siphocamyploidesScutellaria epilobiifolia A. Hamilton = Scutellaria galericulataScutellaria galericulata L. marsh skullcapScutellaria lateriflora L. blue skullcapScutellaria lateriflora var. lateriflora L.


blue skullcapScutellaria nana Gray dwarf skullcapScutellaria siphocamyploides Vatke grayleaf skullcapScutellaria tuberosa Benth. Danny's skullcapStachys ajugoides Benth. bugle hedgenettleStachys ajugoides var. rigida Jepson & HooverStachys cooleyae HellerStachys palustris L. marsh hedgenettleStachys palustris ssp. pilosa (Nutt.) Epling marsh hedgenettleStachys rigida Nutt. ex Benth. = Stachys palustris ssp. pilosaTeucrium canadense L. Canada germanderTeucrium canadense var. occidentale (Gray) McClintock & Epling western germanderThymus praecox Opiz mother of thymeThymus praecox ssp. arcticus (Dur.) Jalas creeping thymeThymus pulegioides L. lemon thymeThymus serpyllum auct. non L. = Thymus praecox ssp. arcticusTrichostema lanceolatum Benth. vinegarweedTrichostema laxum Gray turpentine weedTrichostema oblongum Benth. oblong bluecurlsTrichostema simulatum Jepson Siskiyou bluecurls

LAURACEAEUmbellularia californica (Hook. & Arn.) Nutt. California laurelUmbellularia californica var. californica (Hook. & Arn.) Nutt. California laurel

LEGUMINOSAEAstragalus aboriginorum Richards. = Astragalus australisAstragalus accidens S. Wats. Rogue River milkvetchAstragalus accidens var. accidens S. Wats. Rogue River milkvetchAstragalus accidens var. hendersonii M.E. Jones Henderson's milkvetchAstragalus agrestis Dougl. ex G. Don purple milkvetchAstragalus alpinus L. alpine milkvetchAstragalus alpinus var. alpinus L. alpine milkvetchAstragalus alvordensis M.E. Jones Alvord milkvetchAstragalus applegatei M.E. Peck Applegate's milkvetchAstragalus arrectus Gray Palouse milkvetchAstragalus arthurii M.E. Jones waha milkvetchAstragalus atratus S. Wats. mourning milkvetchAstragalus atratus var. owyheensis (A. Nels. & J.F. Macbr.) M.E. Jones Owyhee milkvetchAstragalus australis (L.) Lam. Indian milkvetchAstragalus beckwithii Torr. & Gray Beckwith's milkvetchAstragalus beckwithii var. weiserensis M.E. Jones Weiser's milkvetchAstragalus californicus (Gray) Greene Klamath Basin milkvetchAstragalus calycosus Torr. ex S. Wats. matted poison milkvetchAstragalus calycosus var. calycosus Torr. ex S. Wats. Torrey's milk-vetchAstragalus camptopus Barneby Bruneau milkvetchAstragalus canadensis L. Canadian milkvetch


Astragalus canadensis var. brevidens (Gandog.) Barneby shorttooth Canadian milkvetchAstragalus canadensis var. mortonii (Nutt.) S. Wats. Morton's Canadian milkvetchAstragalus caricinus (M.E. Jones) Barneby buckwheat milkvetchAstragalus collinus (Hook.) Dougl. ex G. Don hillside milkvetchAstragalus collinus var. collinus (Hook.) Dougl. ex G. Don hillside milkvetchAstragalus collinus var. laurentii (Rydb.) Barneby Laurent's milkvetchAstragalus conjunctus S. Wats. Idaho milkvetchAstragalus curvicarpus (Heller) J.F. Macbr. curvepod milkvetchAstragalus curvicarpus var. brachycodon (Barneby) Barneby curvepod milkvetchAstragalus curvicarpus var. curvicarpus (Heller) J.F. Macbr. curvepod milkvetchAstragalus curvicarpus var. subglaber (Rydb.) Barneby smooth loco milkvetchAstragalus cusickii Gray Cusick's milkvetchAstragalus cusickii var. cusickii Gray Cusick's milkvetchAstragalus cusickii var. sterilis (Barneby) Barneby barren milkvetchAstragalus diaphanus Dougl. ex Hook. transparent milkvetchAstragalus eremiticus Sheldon hermit milkvetchAstragalus eucosmus B.L. Robins. elegant milkvetchAstragalus filipes Torr. ex Gray threadstalk milkvetchAstragalus gambelianus Sheldon Gambel's dwarf milkvetchAstragalus geyeri Gray Geyer's milkvetchAstragalus geyeri var. geyeri Gray Geyer's milkvetchAstragalus hoodianus T.J. Howell Hood River milkvetchAstragalus howellii Gray

Howell's milkvetchAstragalus inflexus Dougl. ex Hook. bent milkvetchAstragalus iodanthus S. Wats. Humboldt River milkvetchAstragalus iodanthus var. diaphanoides Barneby snake milkvetchAstragalus iodanthus var. iodanthus S. Wats. Humboldt River milkvetchAstragalus kentrophyta Gray spiny milkvetchAstragalus kentrophyta var. elatus S. Wats. tall spiny milkvetchAstragalus kentrophyta var. jessiae (M.E. Peck) Barneby spiny milkvetchAstragalus kentrophyta var. tegetarius (S. Wats.) Dorn mat milkvetchAstragalus lemmonii Gray Lemmon's milkvetchAstragalus lentiginosus Dougl. ex Hook. specklepod milkvetchAstragalus lentiginosus var. chartaceus M.E. Jones broadleaf loco milkvetchAstragalus lentiginosus var. floribundus Gray speckledpod milkvetchAstragalus lentiginosus var. lentiginosus Dougl. ex Hook. speckledpod milkvetchAstragalus lentiginosus var. salinus (T.J. Howell) Barneby salty loco milkvetchAstragalus lyallii Gray Lyall's milkvetchAstragalus malacus Gray shaggy milkvetchAstragalus misellus S. Wats. pauper milkvetchAstragalus misellus var. misellus S. Wats. pauper milkvetchAstragalus misellus var. pauper Barneby pauper milkvetchAstragalus miser Dougl. weedy milkvetchAstragalus miser var. miser Dougl. timber milkvetchAstragalus miser var. serotinus (Gray ex Cooper) Barneby timber milkvetch


Astragalus mulfordiae M.E. Jones Mulford's milkvetchAstragalus newberryi Gray Newberry's milkvetchAstragalus newberryi var. castoreus M.E. Jones Newberry's milkvetchAstragalus newberryi var. newberryi Gray Newberry's milkvetchAstragalus nudisiliquus A. Nels. cobblestone milkvetchAstragalus obscurus S. Wats. arcane milkvetchAstragalus oophorus S. Wats. egg milkvetchAstragalus oophorus var. oophorus S. Wats. egg milkvetchAstragalus peckii Piper Peck's milkvetchAstragalus platytropis Gray broadkeel milkvetchAstragalus purshii Dougl. ex Hook. woollypod milkvetchAstragalus purshii var. glareosus (Dougl. ex Hook.) Barneby gravel milkvetchAstragalus purshii var. lagopinus (Rydb.) Barneby woollypod milkvetchAstragalus purshii var. lectulus (S. Wats.) M.E. Jones woollypod milkvetchAstragalus purshii var. ophiogenes (Barneby) Barneby Elmore milkvetchAstragalus purshii var. purshii Dougl. ex Hook. Pursh's milkvetchAstragalus purshii var. tinctus M.E. Jones woollypod milkvetchAstragalus reventiformis (Rydb.) Barneby Yakima milkvetchAstragalus reventus Gray Blue Mountain milkvetchAstragalus robbinsii (Oakes) Gray Robbins' milkvetchAstragalus robbinsii var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc. Robbins' milkvetchAstragalus robbinsii var. occidentalis S. Wats. western milkvetch

Astragalus salmonis M.E. Jones Trout Creek milkvetchAstragalus sclerocarpus Gray woodypod milkvetchAstragalus sheldonii (Rydb.) Barneby Sheldon's milkvetchAstragalus sinuatus Piper Whited's milkvetchAstragalus solitarius M.E. Peck solitary milkvetchAstragalus spaldingii Gray Spalding's milkvetchAstragalus speirocarpus Gray threadstalk milkvetchAstragalus succumbens Dougl. ex Hook. Columbia milkvetchAstragalus tegetarioides M.E. Jones bastard milkvetchAstragalus tetrapterus Gray fourwing milkvetchAstragalus toanus M.E. Jones Toano milkvetchAstragalus tweedyi Canby Tweedy's milkvetchAstragalus tyghensis M.E. Peck Tygh Valley milkvetchAstragalus umbraticus Sheldon Bald Mountain milkvetchAstragalus vallaris M.E. Jones canyon milkvetchAstragalus whitneyi Gray balloon pod milkvetchAstragalus whitneyi var. confusus Barneby conelike milkvetchAstragalus whitneyi var. siskiyouensis (Rydb.) Barneby Siskiyou milkvetchAstragalus whitneyi var. sonneanus (Greene) Jepson balloon pod milkvetchAstragalus yoder-williamsii Barneby Osgood Mountain milkvetchCoronilla varia L. purple crownvetchCytisus multiflorus (L'Her.) Sweet white spanishbroomCytisus scoparius (L.) Link


scotchbroomCytisus scoparius var. scoparius (L.) Link scotchbroomDalea ornata (Dougl. ex Hook.) Eat. & J. Wright Blue Mountain prairiecloverGenista monspessulana (L.) L. Johnson frenchbroomGlycyrrhiza lepidota Pursh American licoriceHedysarum boreale Nutt. northern sweetvetchHedysarum boreale ssp. boreale Nutt. boreal sweetvetchHedysarum boreale ssp. boreale var. boreale Nutt. boreal sweetvetchHedysarum boreale ssp. mackenziei (Richards.) Welsh Mackenzie's sweetvetchHedysarum occidentale Greene western sweetvetchLathyrus angulatus L. angled peavineLathyrus aphaca L. yellow peavineLathyrus delnorticus C.L. Hitchc. Del Norte peavineLathyrus hirsutus L. singletary peavineLathyrus holochlorus (Piper) C.L. Hitchc. thinleaf peavineLathyrus japonicus Willd. sea peavineLathyrus lanszwertii Kellogg thickleaf peavineLathyrus lanszwertii var. aridus (Piper) Jepson Nevada peavineLathyrus lanszwertii var. brownii (Eastw.) Jepson Brown's peavineLathyrus lanszwertii var. lanszwertii Kellogg Lanszwert's peavineLathyrus latifolius L. perennial peavineLathyrus littoralis (Nutt.) Endl. silky beach peavineLathyrus nevadensis S. Wats. Sierran peavine

Lathyrus nevadensis ssp. cusickii (S. Wats.) C.L. Hitchc. Cusick's peavineLathyrus nevadensis ssp. lanceolatus (T.J. Howell) C.L. Hitchc. Sierran peavineLathyrus nevadensis ssp. lanceolatus var. lanceolatus (T.J. Howell) C.L. Hitchc. Sierran peavineLathyrus nevadensis ssp. lanceolatus var. nuttallii (S. Wats.) C.L. Hitchc. Nuttall's peavineLathyrus nevadensis ssp. lanceolatus var. pilosellus (M.E. Peck) C.L. Hitchc. Sierran peavineLathyrus nevadensis ssp. nevadensis S. Wats. Nevada peavineLathyrus palustris L. slenderstem peavineLathyrus pauciflorus Fern. fewflower peavineLathyrus pauciflorus var. pauciflorus Fern. fewflower peavineLathyrus pauciflorus var. utahensis (M.E. Jones) Piper ex M.E. Peck Utah peavineLathyrus polyphyllus Nutt. leafy peavineLathyrus pusillus Ell. tiny peavineLathyrus rigidus White stiff peavineLathyrus sphaericus Retz. grass peavineLathyrus sulphureus Brewer ex Gray snub peavineLathyrus sulphureus var. sulphureus Brewer ex Gray snub peavineLathyrus sylvestris L. flat peavineLathyrus tingitanus L. Tangier peavineLathyrus torreyi Gray Torrey's peavineLathyrus vestitus Nutt. Pacific peavineLathyrus vestitus ssp. bolanderi (S. Wats.) C.L. Hitchc. Bolander's peavine


Lathyrus vestitus ssp. vestitus Nutt. Pacific peavineLotus aboriginus Jepson rosy birdsfoot trefoilLotus corniculatus L. birdfoot deervetchLotus crassifolius (Benth.) Greene big deervetchLotus crassifolius var. crassifolius (Benth.) Greene big deervetchLotus denticulatus (E. Drew) Greene riverbar birdsfoot trefoilLotus formosissimus Greene seaside birdsfoot trefoilLotus humistratus Greene foothill deervetchLotus micranthus Benth. desert deervetchLotus nevadensis (S. Wats.) Greene Nevada birdsfoot trefoilLotus nevadensis var. douglasii (Greene) Ottley Douglas' birdsfoot trefoilLotus oblongifolius (Benth.) Greene streambank birdsfoot trefoilLotus oblongifolius var. oblongifolius (Benth.) Greene streambank birdsfoot trefoilLotus parviflorus Desf. smallflower birdsfoot trefoilLotus pinnatus Hook. meadow birdsfoot trefoilLotus unifoliolatus (Hook.) Benth. American birdsfoot trefoilLotus unifoliolatus var. unifoliolatus (Hook.) Benth. prairie trefoilLotus wrangelianus Fisch. & C.A. Mey. Chilean birdsfoot trefoilLupinus X inyoensis Heller (pro sp.) Inyo lupineLupinus adsurgens E. Drew Drew's silky lupineLupinus adsurgens var. adsurgens E. Drew Drew's silky lupineLupinus affinis J.G. Agardh fleshy lupineLupinus albicaulis Dougl.

sicklekeel lupineLupinus albicaulis var. albicaulis Dougl. sicklekeel lupineLupinus albicaulis var. shastensis (Heller) C.P. Sm. Shasta lupineLupinus albifrons Benth. ex Lindl. silver lupineLupinus albifrons var. eminens (Greene) C.P. Sm. silver lupineLupinus albifrons var. flumineus C.P. Sm. silver lupineLupinus alpicola Henderson ex Piper Mt. Adams lupineLupinus andersonii S. Wats. Anderson's lupineLupinus arboreus Sims bush lupineLupinus arboreus var. arboreus Sims bush lupineLupinus arbustus Dougl. ex Lindl. longspur lupineLupinus arbustus ssp. arbustus Dougl. ex Lindl. longspur lupineLupinus arbustus ssp. arbustus var. montanus (T.J. Howell) D. Dunn longspur lupineLupinus arbustus ssp. calcaratus (Kellogg) D. Dunn quakerbonnet lupineLupinus arbustus ssp. neolaxiflorus D. Dunn longspur lupineLupinus arbustus ssp. pseudoparviflorus (Rydb.) D. Dunn false lupineLupinus arbustus ssp. silvicola (Heller) D. Dunn longspur lupineLupinus arcticus S. Wats. arctic lupineLupinus arcticus ssp. subalpinus (Piper & B.L. Robins.) D. Dunn subalpine lupineLupinus argenteus Pursh silvery lupineLupinus argenteus ssp. argenteus Pursh silvery lupineLupinus argenteus ssp. argenteus var. argenteus Pursh silvery lupineLupinus argenteus ssp. argenteus var. laxiflorus (Dougl. ex Lindl.) Dorn


spur lupineLupinus argenteus ssp. rubricaulis (Greene) Hess & D. Dunn silvery lupineLupinus aridus Dougl. desert lupineLupinus aridus ssp. aridus Dougl. desert lupineLupinus aridus ssp. ashlandensis Cox Ashland's lupineLupinus bicolor Lindl. bicolor lupineLupinus bicolor ssp. bicolor Lindl. bicolor lupineLupinus bicolor ssp. microphyllus (S. Wats.) D. Dunn annual lupineLupinus bicolor ssp. tridentatus (Eastw. ex C.P. Sm.) D. Dunn annual lupineLupinus bicolor ssp. tridentatus var. tridentatus Eastw. ex C.P. Sm. annual lupineLupinus bingenensis Suksdorf Bingen lupineLupinus bingenensis var. bingenensis Suksdorf Bingen lupineLupinus bingenensis var. dubius C.P. Sm. Bingen lupineLupinus bingenensis var. subsaccatus Suksdorf Bingen lupineLupinus brevicaulis S. Wats. shortstem lupineLupinus breweri Gray Brewer's lupineLupinus breweri var. breweri Gray Brewer's lupineLupinus burkei S. Wats. largeleaf lupineLupinus burkei ssp. burkei S. Wats. Burke's lupineLupinus burkei ssp. caeruleomontanus D. Dunn & Cox largeleaf lupineLupinus caespitosus Nutt. stemless dwarf lupineLupinus caespitosus var. utahensis (S. Wats.) Cox Utah lupineLupinus caudatus Kellogg tailcup lupine

Lupinus caudatus ssp. caudatus Kellogg tailcup lupineLupinus caudatus ssp. montigenus (Heller) Hess & D. Dunn Kellogg's spurred lupineLupinus confertus Kellogg crowded lupineLupinus cusickii S. Wats. Cusick's lupineLupinus cusickii ssp. abortivus (Greene) Cox Cusick's lupineLupinus cusickii ssp. brachypodus (Piper) Cox Cusick's lupineLupinus cusickii ssp. cusickii S. Wats. Cusick's lupineLupinus dalesiae Eastw. Quincy lupineLupinus densiflorus Benth. whitewhorl lupineLupinus densiflorus var. densiflorus Benth. whitewhorl lupineLupinus fissicalyx Heller Grants Pass lupineLupinus formosus Greene summer lupineLupinus formosus var. robustus C.P. Sm. summer lupineLupinus holosericeus Nutt. holo lupineLupinus latifolius Lindl. ex J.G. Agardh broadleaf lupineLupinus latifolius ssp. latifolius Lindl. ex J.G. Agardh broadleaf lupineLupinus latifolius ssp. longipes (Greene) Kenney & D. Dunn broadleaf lupineLupinus latifolius ssp. viridifolius (Heller) Kenney & D. Dunn broadleaf lupineLupinus latifolius ssp. viridifolius var. barbatus (Henderson) Munz broadleaf lupineLupinus latifolius ssp. viridifolius var. viridifolius (Heller) C.P. Sm. broadleaf lupineLupinus lepidus Dougl. ex Lindl. Pacific lupineLupinus leucophyllus Dougl. ex Lindl. velvet lupineLupinus leucophyllus ssp. erectus (Henderson) Harmon


velvet lupineLupinus leucophyllus ssp. leucophyllus Dougl. ex Lindl. velvet lupineLupinus leucophyllus ssp. leucophyllus var. belliae C.P. Sm. velvet lupineLupinus leucophyllus ssp. leucophyllus var. canescens (T.J. Howell) C.P. Sm. velvet lupineLupinus leucophyllus ssp. leucophyllus var. leucophyllus Dougl. ex Lindl. velvet lupineLupinus littoralis Dougl. seashore lupineLupinus luteolus Kellogg pale yellow lupineLupinus lyallii Gray dwarf mountain lupineLupinus lyallii ssp. lyallii Gray Lyall's lupineLupinus lyallii ssp. lyallii var. fruticulosus (Greene) C.P. Sm. Lyall's lupineLupinus lyallii ssp. lyallii var. lyallii Gray Lyall's lupineLupinus lyallii ssp. minutifolius (Eastw.) Cox dwarf mountain lupineLupinus lyallii ssp. subpandens C.P. Sm. ex D. Dunn dwarf mountain lupineLupinus minimus Dougl. ex Hook. Kettle Falls lupineLupinus mollis Heller soft lupineLupinus nanus Dougl. ex Benth. sky lupineLupinus nevadensis Heller Nevada lupineLupinus odoratus Heller Mojave royal lupineLupinus odoratus var. odoratus Heller Mojave royal lupineLupinus onustus S. Wats. Plumas lupineLupinus oreganus Heller Oregon lupineLupinus oreganus var. kincaidii C.P. Sm. Kincaid's lupine

Lupinus oreganus var. oreganus Heller Oregon lupineLupinus ornatus Dougl. ex Lindl. ornate lupineLupinus polycarpus Greene smallflower lupineLupinus polyphyllus Lindl. bigleaf lupineLupinus polyphyllus ssp. bernardianus (Abrams ex C.P. Sm.) Munz bigleaf lupineLupinus polyphyllus ssp. polyphyllus Lindl. bigleaf lupineLupinus polyphyllus ssp. polyphyllus var. pallidipes (Heller) C.P. Sm. bigleaf lupineLupinus polyphyllus ssp. polyphyllus var. polyphyllus Lindl. bigleaf lupineLupinus polyphyllus ssp. superbus (Heller) Munz bigleaf lupineLupinus prunophilus M.E. Jones hairy bigleaf lupineLupinus pusillus Pursh rusty lupineLupinus pusillus ssp. intermontanus (Heller) D. Dunn Intermountain lupineLupinus rivularis Dougl. ex Lindl. riverbank lupineLupinus sabinianus Dougl. ex Lindl. Sabin's lupineLupinus saxosus T.J. Howell rock lupineLupinus saxosus var. saxosus T.J. Howell stonyground lupineLupinus saxosus var. subsericeus (B.L. Robins. ex Piper) C.P. Sm. stonyground lupineLupinus sellulus Kellogg Donner Lake lupineLupinus sellulus ssp. sellulus Kellogg Donner Lake lupineLupinus sellulus ssp. sellulus var. lobbii (Gray ex S. Wats.) Cox Lobb's lupineLupinus sellulus ssp. sellulus var. sellulus Kellogg Donner Lake lupineLupinus sericeus Pursh silky lupineLupinus sericeus ssp. sericeus Pursh


silky lupineLupinus sericeus ssp. sericeus var. flexuosus (Lindl. ex J.G. Agardh) C.P. Sm. silky lupineLupinus sericeus ssp. sericeus var. maximus C.P. Sm. ex Fleak & D. Dunn silky lupineLupinus sericeus ssp. sericeus var. sericeus Pursh silky lupineLupinus sericeus ssp. sericeus var. thompsonianus C.P. Sm. Thompson's silky lupineLupinus sericeus ssp. sericeus var. wallowensis C.P. Sm. Wallowa silky lupineLupinus subvexus C.P. Sm. valley lupineLupinus subvexus var. subvexus C.P. Sm. valley lupineLupinus subvexus var. transmontanus C.P. Sm. valley lupineLupinus suksdorfii B.L. Robins. Suksdorf's lupineLupinus sulphureus Dougl. ex Hook. sulphur lupineLupinus tracyi Eastw. Tracy's lupineLupinus uncialis S. Wats. inchhigh lupineLupinus vallicola Heller open lupineLupinus vallicola ssp. apricus (Greene) D. Dunn open lupineLupinus wyethii S. Wats. Wyeth's lupineLupinus wyethii ssp. wyethii S. Wats. Wyeth's lupineMedicago arabica (L.) Huds. spotted medickMedicago lupulina L. black medickMedicago minima (L.) L. burr medickMedicago polymorpha L. burcloverMedicago sativa L. alfalfa

Medicago sativa ssp. sativa L. alfalfaMedicago turbinata (L.) All. southern medickMelilotus albus Medik. = Melilotus officinalisMelilotus albus var. annuus Coe = Melilotus officinalisMelilotus indicus (L.) All. annual yellow sweetcloverMelilotus officinalis (L.) Lam. yellow sweetcloverOnobrychis viciifolia Scop. sainfoinOnonis arvensis L. field restharrowOnonis repens L. common restharrowOxytropis borealis DC.Oxytropis borealis var. viscida (Nutt.) WelshOxytropis campestris (L.) DC. cold mountain crazyweedOxytropis campestris var. cusickii (Greenm.) Barneby Cusick's crazyweedOxytropis deflexa (Pallas) DC. hangpod crazyweedOxytropis deflexa var. sericea Torr. & Gray longstem hangpod crazyweedOxytropis sericea Nutt. silvery oxytropePisum sativum L. garden peaPsoralea = Psoralidium Psoralidium lanceolatum (Pursh) Rydb. lemon scurfpeaRobinia pseudoacacia L. black locustRupertia physodes (Dougl. ex Hook.) J. Grimes forest scurfpeaSarothamnus scoparius (L.) Wimmer ex Koch = Cytisus scopariusSophora leachiana M.E. Peck western necklacepodSphaerophysa salsula (Pallas) DC.


alkali swainsonpeaThermopsis californica S. Wats.Thermopsis californica var. argentata (Greene) C.J. Chen & B.L. TurnerThermopsis gracilis T.J. HowellThermopsis gracilis var. gracilis T.J. HowellThermopsis gracilis var. ovata (B.L. Robins. ex Piper) M. MendenhallThermopsis macrophylla Hook. & Arn. California goldenbannerThermopsis macrophylla var. macrophylla Hook. & Arn. California goldenbannerThermopsis montana var. ovata (B.L. Robins. ex Piper) St. John = Thermopsis gracilis var. ovataThermopsis montana var. venosa (Eastw.) Jepson = Thermopsis gracilis var. gracilisThermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. prairie thermopsisThermopsis rhombifolia var. montana (Nutt.) Isely mountain thermopsisTrifolium albopurpureum Torr. & Gray rancheria cloverTrifolium andersonii Gray fiveleaf cloverTrifolium andersonii ssp. andersonii Gray Anderson's cloverTrifolium arvense L. rabbitfoot cloverTrifolium barbigerum Torr. bearded cloverTrifolium beckwithii Brewer ex S. Wats. Beckwith's cloverTrifolium bifidum Gray notchleaf cloverTrifolium breweri S. Wats. forest cloverTrifolium campestre Schreb. field cloverTrifolium ciliolatum Benth. foothill cloverTrifolium cyathiferum Lindl. cup cloverTrifolium depauperatum Desv. cowbag cloverTrifolium douglasii House Douglas' clover

Trifolium dubium Sibthorp suckling cloverTrifolium eriocephalum Nutt. woollyhead cloverTrifolium eriocephalum ssp. arcuatum (Piper) J. Gillett woollyhead cloverTrifolium eriocephalum ssp. cusickii (Piper) J. Gillett Cusick's cloverTrifolium eriocephalum ssp. eriocephalum Nutt. woollyhead cloverTrifolium fragiferum L. strawberry cloverTrifolium fucatum Lindl. bull cloverTrifolium gracilentum Torr. & Gray pinpoint cloverTrifolium gymnocarpon Nutt. hollyleaf cloverTrifolium gymnocarpon ssp. plummerae (S. Wats.) J. Gillett Plummer's cloverTrifolium howellii S. Wats. canyon cloverTrifolium hybridum L. alsike cloverTrifolium incarnatum L. crimson cloverTrifolium latifolium (Hook.) Greene twin cloverTrifolium leibergii A. Nels. & J.F. Macbr. Leiberg's cloverTrifolium lemmonii S. Wats. Lemmon's cloverTrifolium longipes Nutt. longstalk cloverTrifolium longipes ssp. caurinum (Piper) J. Gillett longstalk cloverTrifolium longipes ssp. elmeri (Greene) J. Gillett Elmer's cloverTrifolium longipes ssp. hansenii (Greene) J. Gillett Hansen's cloverTrifolium longipes ssp. longipes Nutt. longstalk cloverTrifolium longipes ssp. multipedunculatum (Kennedy) J. Gillett longstalk cloverTrifolium longipes ssp. oreganum (T.J. Howell) J. Gillett


Oregon cloverTrifolium longipes ssp. reflexum (A. Nels.) J. Gillett droopflower cloverTrifolium longipes ssp. shastense (House) J. Gillett Shasta cloverTrifolium macraei Hook. & Arn. Chilean cloverTrifolium macrocephalum (Pursh) Poir. largehead cloverTrifolium microcephalum Pursh smallhead cloverTrifolium microdon Hook. & Arn. thimble cloverTrifolium obtusiflorum Hook. f. clammy cloverTrifolium oliganthum Steud. fewflower cloverTrifolium owyheense Gilkey Owyhee cloverTrifolium plumosum Dougl. ex Hook. plumed cloverTrifolium plumosum ssp. plumosum Dougl. ex Hook. plumed cloverTrifolium pratense L. red cloverTrifolium productum Greene Shasta cloverTrifolium repens L. white cloverTrifolium variegatum Nutt. whitetip cloverTrifolium vesiculosum Savi arrowleaf cloverTrifolium willdenowii Spreng. tomcat cloverTrifolium wormskioldii Lehm. cows cloverUlex europaeus L. common gorseVicia americana Muhl. ex Willd. American vetchVicia americana ssp. americana Muhl. ex Willd. American vetchVicia americana ssp. minor (Hook.) C.R. Gunn mat vetch

Vicia cracca L. bird vetchVicia cracca ssp. cracca L. bird vetchVicia faba L. horsebeanVicia hirsuta (L.) S.F. Gray tiny vetchVicia laxiflora Brot. slender vetchVicia ludoviciana Nutt. Louisiana vetchVicia ludoviciana ssp. ludoviciana Nutt. slim vetchVicia nigricans Hook. & Arn. black vetchVicia nigricans ssp. gigantea (Hook.) Lassetter & Gunn. giant vetchVicia pannonica Crantz Hungarian vetchVicia sativa L. common vetchVicia sativa ssp. nigra (L.) Ehrh. common vetchVicia sativa ssp. sativa L. garden vetchVicia tetrasperma (L.) Schreb. lentil vetchVicia tetrasperma var. tetrasperma (L.) Moench lentil vetchVicia villosa Roth winter vetchVicia villosa ssp. varia (Host) Corb. winter vetchVicia villosa ssp. villosa Roth winter vetch

LEMNACEAELemna minor L. common duckweedLemna trisulca L. star duckweedLemna valdiviana Phil. valdivia duckweed


Spirodela polyrrhiza (L.) Schleid. common duckweedWolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi northern watermealWolffia braziliensis Weddell Brazilian watermealWolffia columbiana Karst. Columbian watermeal

LENTIBULARIACEAEPinguicula macroceras Link California butterwortUtricularia gibba L. humped bladderwortUtricularia intermedia Hayne flatleaf bladderwortUtricularia macrorhiza Le Conte common bladderwortUtricularia minor L. lesser bladderwortUtricularia ochroleuca R.W. Hartman yellowishwhite bladderwort

LILIACEAEAllium acuminatum Hook. tapertip onionAllium amplectens Torr. narrowleaf onionAllium anceps Kellogg twinleaf onionAllium bisceptrum S. Wats. twincrest onionAllium bisceptrum var. bisceptrum S. Wats. twincrest onionAllium bolanderi S. Wats. Bolander's onionAllium bolanderi var. bolanderi S. Wats. Bolander's onionAllium brandegei S. Wats. Brandegee's onionAllium campanulatum S. Wats. dusky onionAllium cepa L. garden onion

Allium cernuum Roth nodding onionAllium crenulatum Wieg. Olympic onionAllium douglasii Hook. Douglas' onionAllium falcifolium Hook. & Arn. scytheleaf onionAllium fibrillum M.E. Jones Blue Mountain onionAllium geyeri S. Wats. Geyer's onionAllium geyeri var. geyeri S. Wats. Geyer's onionAllium geyeri var. tenerum M.E. Jones bulbil onionAllium lemmonii S. Wats. Lemmon's onionAllium macrum S. Wats. rock onionAllium madidum S. Wats. swamp onionAllium neapolitanum Cirillo white garlicAllium nevadense S. Wats. Nevada onionAllium nevadense var. nevadense S. Wats. Nevada onionAllium nevii S. Wats. Nevius' garlicAllium nigrum L. black garlicAllium parvum Kellogg small onionAllium peninsulare J.G. Lemmon ex Greene Mexicali onionAllium platycaule S. Wats. broadstemmed onionAllium pleianthum S. Wats. manyflower onionAllium punctum Henderson dotted onionAllium sanbornii Wood Sanborn's onionAllium sanbornii var. sanbornii Wood


Sanborn's onionAllium schoenoprasum L. wild chivesAllium schoenoprasum var. schoenoprasum L. wild chivesAllium schoenoprasum var. sibiricum (L.) Hartman wild chivesAllium siskiyouense Ownbey Siskiyou onionAllium tolmiei (Hook.) Baker ex S. Wats. Tolm's onionAllium tolmiei var. platyphyllum (Tidestrom) Ownbey Wallowa onionAllium tolmiei var. tolmiei (Hook.) Baker ex S. Wats. Tolm's onionAllium unifolium Kellogg oneleaf onionAllium validum S. Wats. Pacific onionAllium vineale L. wild garlicAllium vineale ssp. vineale L. wild garlicAsparagus officinalis L. garden asparagusBrodiaea californica Lindl. California clusterlilyBrodiaea coronaria (Salisb.) Engl. harvest clusterlilyBrodiaea coronaria ssp. coronaria (Salisb.) Engl. harvest clusterlilyBrodiaea crocea (Wood) S. Wats. = Triteleia crocea var. croceaBrodiaea dissimulata M.E. Peck = Triteleia hyacinthinaBrodiaea elegans Hoover elegant clusterlilyBrodiaea elegans ssp. elegans Hoover elegant clusterlilyBrodiaea elegans ssp. hooveri Niehaus Hoover's cluster-lilyBrodiaea hendersonii (Greene) S. Wats. = Triteleia hendersonii var. hendersoniiBrodiaea howellii S. Wats. = Triteleia grandiflora var. howellii

Brodiaea hyacinthina (Lindl.) Baker = Triteleia hyacinthinaBrodiaea ida-maia (Wood) Greene = Dichelostemma ida-maiaBrodiaea laxa (Benth.) S. Wats. = Triteleia laxaBrodiaea multiflora Benth. = Dichelostemma multiflorumBrodiaea terrestris Kellogg dwarf clusterlilyBrodiaea terrestris ssp. terrestris Kellogg dwarf clusterlilyBrodiaea uniflora (Graham) Engl. = Ipheion uniflorumCalochortus bruneaunis A. Nels. & J.F. Macbr. Bruneau Mariposa lilyCalochortus coeruleus (Kellogg) S. Wats. beavertail grassCalochortus coxii M. Godfrey & F. Callahan Cox's Mariposa lilyCalochortus elegans Pursh northwestern Mariposa lilyCalochortus elegans var. elegans Pursh elegant Mariposa lilyCalochortus elegans var. nanus WoodCalochortus eurycarpus S. Wats. white Mariposa lilyCalochortus greenei S. Wats. Greene's Mariposa lilyCalochortus howellii S. Wats. Howell's Mariposa lilyCalochortus longebarbatus S. Wats. longbeard Mariposa lilyCalochortus longebarbatus var. longebarbatus S. Wats. longbeard Mariposa lilyCalochortus longebarbatus var. peckii Ownbey longbeard Mariposa lilyCalochortus macrocarpus Dougl. sagebrush Mariposa lilyCalochortus macrocarpus var. macrocarpus Dougl. sagebrush Mariposa lilyCalochortus nitidus Dougl. broadfruit Mariposa lilyCalochortus nudus S. Wats. naked Mariposa lily


Calochortus subalpinus Piper subalpine Mariposa lilyCalochortus tolmiei Hook. & Arn. Tolmie startulipCalochortus umpquaensis N.A. Fredricks Umpqua Mariposa lilyCalochortus uniflorus Hook. & Arn. Monterey Mariposa lilyCamassia cusickii S. Wats. Cusick's camasCamassia howellii S. Wats. Howell's camasCamassia leichtlinii (Baker) S. Wats. large camasCamassia leichtlinii ssp. leichtlinii (Baker) S. Wats. Leichtlin's large camasCamassia leichtlinii ssp. suksdorfii (Greenm.) Gould Suksdorf's large camasCamassia quamash (Pursh) Greene small camasCamassia quamash ssp. breviflora Gould small camasCamassia quamash ssp. intermedia Gould small camasCamassia quamash ssp. maxima Gould small camasCamassia quamash ssp. quamash (Pursh) Greene small camasCamassia quamash ssp. utahensis Gould Utah small camasCamassia quamash ssp. walpolei (Piper) Gould Walpole's small camasChlorogalum pomeridianum (DC.) Kunth wavyleaf soapplantClintonia andrewsiana Torr. western bluebeadlilyClintonia uniflora (Menzies ex J.A. & J.H. Schultes) Kunth bride's bonnetDichelostemma capitatum (Benth.) Wood bluedicksDichelostemma ida-maia (Wood) Greene Ida May's snakelilyDichelostemma multiflorum (Benth.) Heller roundtooth snakelilyDisporum hookeri (Torr.) Nichols.

drops of goldDisporum hookeri var. hookeri (Torr.) Nichols. Hooker's drops of goldDisporum hookeri var. oreganum (S. Wats.) Q. Jones Oregon drops of goldDisporum hookeri var. parvifolium (S. Wats.) Britt.Disporum hookeri var. trachyandrum (Torr.) Q. Jones drops of goldDisporum smithii (Hook.) Piper largeflower fairybellsDisporum trachycarpum (S. Wats.) Benth. & Hook. f. roughfruit fairybellsErythronium citrinum S. Wats. cream fawnlilyErythronium elegans Hammond & Chambers Coast Range fawnlilyErythronium grandiflorum Pursh dogtooth lilyErythronium grandiflorum ssp. grandiflorum Pursh yellow avalanchelilyErythronium hendersonii S. Wats. Henderson's fawnlilyErythronium howellii S. Wats. Howell's fawnlilyErythronium klamathense Applegate Klamath fawnlilyErythronium montanum S. Wats. white avalanchelilyErythronium oregonum Applegate giant white fawnlilyErythronium oregonum ssp. leucandrum (Applegate) Applegate giant white fawnlilyErythronium oregonum ssp. oregonum Applegate Oregon fawnlilyErythronium revolutum Sm. mahogany fawnlilyFritillaria affinis (Schultes) SealyFritillaria affinis var. affinis (Schultes) SealyFritillaria atropurpurea Nutt. spotted missionbellsFritillaria camschatcensis (L.) Ker-Gawl. Kamchatka missionbellsFritillaria falcata (Jepson) D.E. Beetle talus missionbellsFritillaria gentneri Gilkey


Gentner's missionbellsFritillaria glauca Greene Siskiyou missionbellsFritillaria pudica (Pursh) Spreng. yellow missionbellsFritillaria purdyi Eastw. Purdy's missionbellsFritillaria recurva Benth. scarlet missionbellsHastingsia alba (Dur.) S. Wats. white rushlilyHastingsia atropurpurea Becking purple rushlilyHastingsia bracteosa S. Wats. largeflower rushlilyHastingsia serpenticola Becking Klamath rushlilyIpheion uniflorum (Graham) Raf. springstarLeucocrinum montanum Nutt. ex Gray common starlilyLilium bolanderi S. Wats. Bolander's lilyLilium columbianum hort. ex Baker Columbian lilyLilium kelloggii Purdy Kellogg's lilyLilium occidentale Purdy Eureka lilyLilium pardalinum Kellogg leopard lilyLilium pardalinum ssp. pardalinum Kellogg Pitkin Marsh lilyLilium pardalinum ssp. vollmeri (Eastw.) Skinner Vollmer's lilyLilium pardalinum ssp. wigginsii (Beane & Vollmer) Skinner, comb. nov. ined.Lilium washingtonianum Kellogg Washington lilyLilium washingtonianum var. purpurascens Stearn Cascade lilyLloydia serotina (L.) Reichenb. common alplilyMaianthemum G.H. Weber ex Wiggers beadruby

Maianthemum dilatatum (Wood) A. Nels. & J.F. Macbr. twoleaf false Solomon's sealMaianthemum racemosum (L.) Link feathery false Solomon's sealMaianthemum racemosum ssp. amplexicaule (Nutt.) LaFrankie western Solomon's sealMaianthemum stellatum (L.) Link starry false Solomon's sealMuscari comosum (L.) P. Mill. tassel grapehyacinthNarthecium californicum Baker California bog asphodelOrnithogalum umbellatum L. sleepydickScoliopus hallii S. Wats. Oregon fetid adderstongueSmilacina . = Maianthemum Stenanthium occidentale Gray western stenanthiumStreptopus amplexifolius (L.) DC. claspleaf twistedstalkStreptopus amplexifolius var. amplexifolius (L.) DC. American twistedstalkStreptopus amplexifolius var. chalazatus Fassett tubercle twistedstalkStreptopus lanceolatus (Ait.) RevealStreptopus lanceolatus var. curvipes (Vail) RevealStreptopus lanceolatus var. roseus (Michx.) RevealStreptopus streptopoides (Ledeb.) Frye & Rigg northern twistedstalkTofieldia glutinosa (Michx.) Pers. glutin tofieldiaTofieldia glutinosa ssp. brevistyla C.L. Hitchc. sticky tofieldiaTofieldia glutinosa ssp. occidentalis (S. Wats.) C.L. Hitchc. western tofieldiaTrillium albidum J.D. Freeman giant white wakerobinTrillium chloropetalum (Torr.) T.J. Howell giant wakerobinTrillium chloropetalum var. chloropetalum (Torr.) T.J. Howell giant wakerobinTrillium kurabayashii J.D. Freeman giant purple wakerobin


Trillium ovatum Pursh Pacific trilliumTrillium ovatum ssp. ovatum Pursh Pacific trilliumTrillium parviflorum Soukup smallflower wakerobinTrillium petiolatum Pursh Idaho trilliumTrillium rivale S. Wats. brook wakerobinTriteleia Dougl. ex Lindl. tripletlilyTriteleia bridgesii (S. Wats.) Greene Bridges' brodiaeaTriteleia crocea (Wood) Greene yellow tripletlilyTriteleia crocea var. crocea (Wood) Greene yellow tripletlilyTriteleia grandiflora Lindl. wild hyacinthTriteleia grandiflora var. howellii (S. Wats.) HooverTriteleia hendersonii Greene Henderson's tripletlilyTriteleia hendersonii var. hendersonii Greene Henderson's tripletlilyTriteleia hendersonii var. leachiae (M.E. Peck) Hoover Leach's tripletlilyTriteleia hyacinthina (Lindl.) Greene hyacinth brodiaeaTriteleia hyacinthina var. hyacinthina (Lindl.) Greene fool's onionTriteleia ixioides (Ait. f.) Greene prettyfaceTriteleia ixioides ssp. anilina (Greene) Lenz prettyfaceTriteleia laxa Benth. grassnutUvularia L. = Streptopus Veratrum californicum Dur. California false helleboreVeratrum californicum var. californicum Dur. California false helleboreVeratrum californicum var. caudatum (Heller) C.L. Hitchc. cascade false hellebore

Veratrum insolitum Jepson Siskiyou false helleboreVeratrum viride Ait. (?) American false helleboreXerophyllum tenax (Pursh) Nutt. common beargrassZigadenus elegans Pursh mountain deathcamasZigadenus fremontii (Torr.) Torr. ex S. Wats. Fremont's deathcamasZigadenus fremontii var. fremontii (Torr.) Torr. ex S. Wats. Fremont's deathcamasZigadenus micranthus Eastw. smallflower deathcamasZigadenus paniculatus (Nutt.) S. Wats. foothill deathcamasZigadenus venenosus S. Wats. meadow deathcamasZigadenus venenosus var. gramineus (Rydb.) Walsh ex M.E. Peck grassy deathcamasZigadenus venenosus var. venenosus S. Wats. meadow deathcamas

LIMNANTHACEAEFloerkea proserpinacoides Willd. false mermaidweed Limnanthes douglasii R. Br. Douglas' meadowfoam Limnanthes floccosa T.J. Howell woolly meadowfoam Limnanthes floccosa ssp. bellingeriana (M.E. Peck) Arroyo woolly meadowfoam Limnanthes floccosa ssp. floccosa T.J. Howell woolly meadowfoam Limnanthes floccosa ssp. grandiflora Arroyo woolly meadowfoam Limnanthes floccosa ssp. pumila (T.J. Howell) Arroyo woolly meadowfoam Limnanthes gracilis T.J. Howell slender meadowfoam Limnanthes gracilis ssp. gracilis T.J. Howell slender meadowfoam


LINACEAEHesperolinon micranthum (Gray) Small smallflower dwarfflaxLinum bienne P. Mill. pale flaxLinum lewisii Pursh prairie flaxLinum usitatissimum L. common flaxSclerolinon digynum (Gray) Rogers digynum flax

LOASACEAEMentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstarMentzelia albicaulis var. albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstarMentzelia congesta Nutt. ex Torr. & Gray united blazingstarMentzelia congesta var. congesta Nutt. ex Torr. & Gray ventana blazingstarMentzelia dispersa S. Wats. bushy blazingstarMentzelia dispersa var. compacta (A. Nels.) J.F. Macbr. Nevada blazingstarMentzelia dispersa var. dispersa S. Wats. bushy blazingstarMentzelia dispersa var. latifolia (Rydb.) J.F. Macbr. bushy blazingstarMentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstarMentzelia laevicaulis var. laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstarMentzelia mollis M.E. Peck soft blazingstarMentzelia montana (A. Davids.) A. Davids. variegatedbract blazingstarMentzelia packardiae Glad. Packard's blazingstarMentzelia veatchiana Kellogg whitestem blazingstar

LYCOPODIACEAEHuperzia chinensis (Christ) Czern. Chinese clubmossHuperzia selago (L.) Bernh. ex Mart. & Schrank fir clubmossHuperzia selago var. selago (L.) Bernh. ex Mart. & Schrank fir clubmossLycopodiella inundata (L.) Holub inundated clubmossLycopodium annotinum L. stiff clubmossLycopodium annotinum var. annotinum L. stiff clubmossLycopodium clavatum L. running clubmossLycopodium clavatum var. clavatum L. running clubmossLycopodium complanatum L. groundcedarLycopodium obscurum L. rare clubmossLycopodium sitchense Rupr. Sitka clubmoss

LYTHRACEAEAmmannia coccinea Rottb. valley redstemAmmannia robusta Heer & Regel grand redstemLythrum hyssopifolia L. hyssop loosestrifeLythrum portula (L.) D.A. Webber spatulaleaf loosestrifeLythrum salicaria L. purple loosestrifeRotala ramosior (L.) Koehne lowland rotala

MALVACEAEAlcea rosea L. hollyhockAlthaea rosea (L.) Cav. = Alcea rosea


Callirhoe involucrata (Torr. & Gray) Gray purple poppymallowHibiscus trionum L. flower of an hourIliamna bakeri (Jepson) Wiggins Baker's wildhollyhockIliamna latibracteata Wiggins California wildhollyhockIliamna rivularis (Dougl. ex Hook.) Greene streambank globemallowIliamna rivularis var. rivularis (Dougl. ex Hook.) Greene streambank wildhollyhockMalva moschata L. musk mallowMalva neglecta Wallr. common mallowMalva parviflora L. cheeseweed mallowMalva rotundifolia auct. non L. = Malva neglectaMalva sylvestris L. high mallowMalvella Jaubert & Spach malvellaMalvella leprosa (Ortega) Krapov. alkali mallowModiola caroliniana (L.) G. Don Carolina bristlemallowSida hederacea (Dougl. ex Hook.) Torr. ex Gray = Malvella leprosaSidalcea campestris Greene meadow checkermallowSidalcea cusickii Piper Cusick's checkermallowSidalcea hendersonii S. Wats. Henderson's checkermallowSidalcea hirtipes C.L. Hitchc. bristlystem checkermallowSidalcea malviflora (DC.) Gray ex Benth. dwarf checkermallowSidalcea malviflora ssp. asprella (Greene) C.L. Hitchc. dwarf checkermallowSidalcea malviflora ssp. elegans (Greene) C.L. Hitchc. dwarf checkermallowSidalcea malviflora ssp. malviflora (DC.) Gray ex Benth.

dwarf checkermallowSidalcea malviflora ssp. nana (Jepson) C.L. Hitchc. dwarf checkermallowSidalcea malviflora ssp. patula C.L. Hitchc. dwarf checkermallowSidalcea malviflora ssp. virgata (T.J. Howell) C.L. Hitchc. dwarf checkermallowSidalcea multifida Greene cutleaf checkermallowSidalcea nelsoniana Piper Nelson's checkermallowSidalcea neomexicana Gray New Mexico checkermallowSidalcea neomexicana ssp. crenulata (A. Nels.) C.L. Hitchc. New Mexico checkermallowSidalcea oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallowSidalcea oregana ssp. oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallowSidalcea oregana ssp. oregana var. maxima (M.E. Peck) C.L. Hitchc. Oregon checkermallowSidalcea oregana ssp. oregana var. nevadensis C.L. Hitchc. Nevada checkermallowSidalcea oregana ssp. oregana var. oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallowSidalcea oregana ssp. oregana var. procera C.L. Hitchc. Oregon checkermallowSidalcea oregana ssp. spicata (Regel) C.L. Hitchc. Oregon checkermallowSidalcea oregana ssp. valida (Greene) C.L. Hitchc. Oregon checkermallowSidalcea setosa ssp. setosa C.L. Hitchc. Edgewood checkermallowSphaeralcea coccinea (Nutt.) Rydb. scarlet globemallowSphaeralcea coccinea ssp. coccinea (Nutt.) Rydb. scarlet globemallowSphaeralcea grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallowSphaeralcea grossulariifolia ssp. grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallowSphaeralcea grossulariifolia ssp. pedata (Torr. ex Gray) Kearney gooseberryleaf globemallow


Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallowSphaeralcea munroana ssp. munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallowSphaeralcea munroana ssp. subrhomboidea (Rydb.) Kearney whitestem globemallow

MARSILEACEAEMarsilea oligospora Goodding Pacific watercloverMarsilea vestita Hook. & Grev. hairy pepperwortMarsilea vestita ssp. vestita Hook. & Grev. hairy pepperwortPilularia americana A. Braun American pillwort

MENYANTHACEAEMenyanthes trifoliata L. common buckbean

MOLLUGINACEAEMollugo verticillata L. green carpetweed

MONOTROPACEAEAllotropa virgata Torr. & Gray ex Gray sugarstickHemitomes congestum Gray coneplantHypopitys = Monotropa Monotropa hypopithys L. pinesapMonotropa uniflora L. IndianpipePityopus californica (Eastw.) Copeland f. California pinefootPleuricospora Gray pleuricosporaPleuricospora fimbriolata Gray fringed pinesap

Pterospora andromedea Nutt. woodland pinedropsSarcodes sanguinea Torr. snowplant

MYRICACEAEMyrica californica Cham. Pacific bayberryMyrica gale L. sweetgale

NAJADACEAENajas flexilis (Willd.) Rostk. & Schmidt nodding waternymphNajas guadalupensis (Spreng.) Magnus southern waternymphNajas guadalupensis var. guadalupensis (Spreng.) Magnus Guadalupe waternymph

NYCTAGINACEAEAbronia latifolia Eschsch. coastal sand verbenaAbronia mellifera Dougl. ex Hook. white sand verbenaAbronia turbinata Torr. ex S. Wats. transmontane sand verbenaAbronia umbellata Lam. pink sand verbenaAbronia umbellata ssp. acutalata (Standl.) Tillett pink sand verbenaAbronia umbellata ssp. breviflora (Standl.) Munz pink sand verbenaMirabilis bigelovii Gray neakstem four o'clockMirabilis bigelovii var. retrorsa (Heller) Munz Bigelow's four o'clockMirabilis macfarlanei Constance & Rollins MacFarlane's four o'clock

NYMPHAEACEAENuphar lutea (L.) Sm. yellow pondlily


Nuphar lutea ssp. polysepala (Engelm.) E.O. Beal Rocky Mountain pondlilyNuphar polysepala Engelm. = Nuphar lutea ssp. polysepalaNymphaea odorata Ait. American white waterlily

OLEACEAEFraxinus latifolia Benth. Oregon ashFraxinus oregona Nutt. = Fraxinus latifolia

ONAGRACEAECamissonia andina (Nutt.) Raven sundrops eveningprimroseCamissonia boothii (Dougl. ex Lehm.) Raven Booth's eveningprimroseCamissonia boothii ssp. alyssoides (Hook. & Arn.) Raven alyssum eveningprimroseCamissonia boothii ssp. boothii (Dougl. ex Lehm.) Raven Booth's suncupCamissonia cheiranthifolia (Hornem. ex Spreng.) Raimann beach primroseCamissonia cheiranthifolia ssp. cheiranthifolia (Hornem. ex Spreng.) Raimann beach primroseCamissonia claviformis (Torr. & Frem.) Raven browneyesCamissonia claviformis ssp. cruciformis (Kellogg) Raven browneyesCamissonia claviformis ssp. integrior (Raven) Raven browneyesCamissonia contorta (Dougl. ex Lehm.) Kearney plains eveningprimroseCamissonia graciliflora (Hook. & Arn.) Raven slenderflower suncupCamissonia hilgardii (Greene) Raven Hilgard's suncupCamissonia minor (A. Nels.) Raven small eveningprimroseCamissonia ovata (Nutt. ex Torr. & Gray) Raven goldeneggs

Camissonia palmeri (S. Wats.) Raven Palmer eveningprimroseCamissonia parvula (Nutt. ex Torr. & Gray) Raven Lewis River suncupCamissonia pterosperma (S. Wats.) Raven wingfruit suncupCamissonia pusilla Raven little wiry suncupCamissonia pygmaea (Dougl. ex Lehm.) Raven dwarf suncupCamissonia scapoidea (Nutt. ex Torr. & Gray) Raven barestem eveningprimroseCamissonia scapoidea ssp. brachycarpa (Raven) Raven Paiute suncupCamissonia scapoidea ssp. scapoidea (Nutt. ex Torr. & Gray) Raven Seorsa eveningprimroseCamissonia subacaulis (Pursh) Raven diffuseflower eveningprimroseCamissonia tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimroseCamissonia tanacetifolia ssp. tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimroseCircaea alpina L. small enchanter's nightshadeCircaea alpina ssp. alpina L. small enchanter's nightshadeCircaea alpina ssp. pacifica (Aschers. & Magnus) Raven small enchanter's nightshadeClarkia amoena (Lehm.) A. Nels. & J.F. Macbr. farewell to springClarkia amoena ssp. amoena (Lehm.) A. Nels. & J.F. Macbr. farewell to springClarkia amoena ssp. caurina (Abrams ex Piper) H.F. & M.E. Lewis farewell to springClarkia gracilis (Piper) A. Nels. & J.F. Macbr. slender fairyfanClarkia gracilis ssp. gracilis (Piper) A. Nels. & J.F. Macbr. slender fairyfanClarkia heterandra (Torr.) Lewis & Raven clarkiaClarkia lassenensis (Eastw.) H.F. & M.E. Lewis Mt. Lassen fairyfanClarkia pulchella Pursh pinkfairiesClarkia purpurea (W. Curtis) A. Nels. & J.F. Macbr.


winecup fairyfanClarkia purpurea ssp. quadrivulnera (Dougl. ex Lindl.) H.F. & M.E. Lewis winecup fairyfanClarkia purpurea ssp. viminea (Dougl. ex Hook.) H.F. & M.E. Lewis winecup fairyfanClarkia rhomboidea Dougl. ex Hook. diamond fairyfanEpilobium anagallidifolium Lam. alpine willowherbEpilobium angustifolium L. fireweedEpilobium brachycarpum K. Presl autumn willowweedEpilobium canum (Greene) Raven hummingbird trumpetEpilobium canum ssp. latifolium (Hook.) Raven hummingbird trumpetEpilobium ciliatum Raf. hairy willowherbEpilobium ciliatum ssp. ciliatum Raf. coast willowweedEpilobium ciliatum ssp. glandulosum (Lehm.) Hoch & Raven glandular willowweedEpilobium ciliatum ssp. watsonii (Barbey) Hoch & Raven northern willowherbEpilobium clavatum Trel. clubfruit willowherbEpilobium densiflorum (Lindl.) Hoch & RavenEpilobium foliosum (Torr. & Gray) Suksdorf California willowherbEpilobium glaberrimum Barbey smooth willowweedEpilobium glaberrimum ssp. fastigiatum (Nutt.) Hoch & Raven smooth willowweedEpilobium glaberrimum ssp. glaberrimum Barbey smooth willowweedEpilobium halleanum Hausskn. glandular willowherbEpilobium hornemannii Reichenb. Hornemann's willowherbEpilobium hornemannii ssp. hornemannii Reichenb. Hornemann's willowherbEpilobium lactiflorum Hausskn. milkflower willowweed

Epilobium latifolium L. dwarf fireweedEpilobium leptocarpum Hausskn. slenderfruit willowherbEpilobium luteum Pursh yellow willowherbEpilobium minutum Lindl. ex Lehm. small willowweedEpilobium obcordatum Gray heart willowweedEpilobium oreganum Greene Grants Pass willowherbEpilobium oregonense Hausskn. slimstem willowweedEpilobium pallidum (Eastw.) Hoch & RavenEpilobium palustre L. marsh willowherbEpilobium pygmaeum (Speg.) Hoch & RavenEpilobium rigidum Hausskn. stiff willowherbEpilobium siskiyouense (Munz) Hoch & Raven Siskiyou willowherbEpilobium torreyi (S. Wats.) Hoch & RavenGaura parviflora Dougl. ex Lehm. velvetweedGayophytum decipiens Lewis & Szweykowski deceptive groundsmokeGayophytum diffusum Torr. & Gray spreading groundsmokeGayophytum diffusum ssp. diffusum Torr. & Gray spreading groundsmokeGayophytum diffusum ssp. parviflorum Lewis & Szweykowski spreading groundsmokeGayophytum eriospermum Coville Coville's groundsmokeGayophytum heterozygum Lewis & Szweykowski zigzag groundsmokeGayophytum humile Juss. dwarf groundsmokeGayophytum racemosum Torr. & Gray blackfoot groundsmokeGayophytum ramosissimum Torr. & Gray pinyon groundsmokeLudwigia palustris (L.) Ell. marsh seedbox


Ludwigia uruguayensis (Camb.) Hara Uruguayan primrosewillowOenothera alyssoides Hook. & Arn. = Camissonia boothii ssp. alyssoidesOenothera andina Nutt. = Camissonia andinaOenothera biennis L. common eveningprimroseOenothera boothii Dougl. ex Lehm. = Camissonia boothii ssp. boothiiOenothera cespitosa Nutt. tufted eveningprimroseOenothera cespitosa ssp. cespitosa Nutt. tufted eveningprimroseOenothera cespitosa ssp. marginata (Nutt. ex Hook. & Arn.) Munz tufted eveningprimroseOenothera cheiranthifolia Hornem. ex Spreng. = Camissonia cheiranthifolia ssp. cheiranthifoliaOenothera cruciata (S. Wats.) Munz = Camissonia contortaOenothera cruciformis Kellogg = Camissonia claviformis ssp. cruciformisOenothera deltoides Torr. & Frem. birdcage eveningprimroseOenothera deltoides ssp. piperi (Munz) W. Klein Piper's eveningprimroseOenothera dentata auct. non Cav. = Camissonia contortaOenothera elata Kunth Hooker's eveningprimroseOenothera elata ssp. hirsutissima (Gray ex S. Wats.) W. Dietr. Hooker's eveningprimroseOenothera flava (A. Nels.) Garrett yellow eveningprimroseOenothera glazioviana Micheli redsepal eveningprimroseOenothera heterantha Nutt. = Camissonia subacaulisOenothera hookeri ssp. angustifolia (R.R. Gates) Munz = Oenothera elata ssp. hirsutissimaOenothera minor (A. Nels.) Munz = Camissonia minorOenothera mollissima L. eveningprimroseOenothera pallida Lindl.

pale eveningprimroseOenothera pallida ssp. pallida Lindl. pale eveningprimroseOenothera palmeri S. Wats. = Camissonia palmeriOenothera scapoidea Nutt. ex Torr. & Gray = Camissonia scapoidea ssp. scapoideaOenothera villosa Thunb. hairy eveningprimroseOenothera villosa ssp. strigosa (Rydb.) W. Dietr. & Raven hairy eveningprimroseOenothera wolfii (Munz) Raven, W. Dietr. & Stubbe Wolf's eveningprimroseZauschneria = Epilobium canum ssp. latifolium

OPHIOGLOSSACEAEBotrychium ascendens W.H. Wagner trianglelobe moonwortBotrychium crenulatum W.H. Wagner scalloped moonwortBotrychium lanceolatum (Gmel.) Angstr. lanceleaf grapefernBotrychium lanceolatum var. lanceolatum (Gmel.) Angstr. lanceleaf grapefernBotrychium lunaria (L.) Sw. common moonwortBotrychium minganense Victorin Mingan moonwortBotrychium montanum W.H. Wagner mountain moonwortBotrychium multifidum (Gmel.) Trev. leathery grapefernBotrychium pedunculosum W.H. Wagner stalked moonwortBotrychium pinnatum St. John northern moonwortBotrychium pumicola Coville ex Underwood Crater Lake grapefernBotrychium simplex E. Hitchc. little grapefernBotrychium virginianum (L.) Sw. rattlesnake fernOphioglossum pusillum Raf.


northern adderstongue

ORCHIDACEAECalypso bulbosa (L.) Oakes fairyslipper orchidCalypso bulbosa var. occidentalis (Holz.) Boivin fairyslipper orchidCephalanthera austiniae (Gray) Heller phantom orchidCorallorrhiza maculata (Raf.) Raf. spotted coralrootCorallorrhiza mertensiana Bong. Pacific coralrootCorallorrhiza striata Lindl. hooded coralrootCorallorrhiza striata var. striata Lindl. hooded coralrootCorallorrhiza trifida Chatelain yellow coralrootCypripedium calceolus ssp. parviflorum (Salisb.) Hulten = Cypripedium parviflorumCypripedium californicum Gray California lady's slipperCypripedium fasciculatum Kellogg ex S. Wats. clustered lady's slipperCypripedium montanum Dougl. ex Lindl. mountain lady's slipperCypripedium parviflorum Salisb. lesser yellow lady's slipperEpipactis gigantea Dougl. ex Hook. giant helleborineGoodyera oblongifolia Raf. western rattlesnake plantainHabenaria = Platanthera Habenaria unalascensis (Spreng.) S. Wats. = Piperia unalascensisLimnorchis = Platanthera Listera borealis Morong northern twaybladeListera caurina Piper northwestern twaybladeListera convallarioides (Sw.) Nutt. ex Ell.

broadlipped twaybladeListera cordata (L.) R. Br. ex Ait. f. heartleaf twaybladePiperia elegans (Lindl.) Rydb. hillside bogorchidPiperia elongata Rydb. denseflower rein orchidPiperia elongata ssp. elongata Rydb. denseflower rein orchidPiperia unalascensis (Spreng.) Rydb. Alaska rein orchidPlatanthera dilatata (Pursh) Lindl. ex Beck boreal bog orchidPlatanthera dilatata var. albiflora (Cham.) Ledeb. scentbottlePlatanthera dilatata var. dilatata (Pursh) Lindl. ex Beck scentbottlePlatanthera hyperborea (L.) Lindl. northern green orchidPlatanthera hyperborea var. gracilis (Lindl.) Luer northern green orchidPlatanthera hyperborea var. hyperborea (L.) Lindl. northern green orchidPlatanthera leucostachys Lindl. bog orchidPlatanthera obtusata (Banks ex Pursh) Lindl. blunt bog orchidPlatanthera sparsiflora (S. Wats.) Schlechter canyon bog orchidPlatanthera sparsiflora var. sparsiflora (S. Wats.) Schlechter canyon bog orchidPlatanthera stricta Lindl. Modoc bog orchidPlatanthera unalascensis (Spreng.) Kurtz = Piperia unalascensisSpiranthes porrifolia Lindl. creamy ladiestressesSpiranthes romanzoffiana Cham. hooded ladiestresses

OROBANCHACEAEBoschniakia hookeri Walp. Vancouver groundconeBoschniakia strobilacea Gray


California groundconeConopholis ludoviciana (Nutt.) Wood = Orobanche ludoviciana ssp. ludovicianaOrobanche californica Cham. & Schlecht. California broomrapeOrobanche californica ssp. grayana (G. Beck) Heckard Gray's broomrapeOrobanche corymbosa (Rydb.) Ferris flattop broomrapeOrobanche corymbosa ssp. corymbosa (Rydb.) Ferris flattop broomrapeOrobanche fasciculata Nutt. clustered broomrapeOrobanche ludoviciana Nutt. Louisiana broomrapeOrobanche ludoviciana ssp. ludoviciana Nutt. sand broomrapeOrobanche pinorum Geyer ex Hook. conifer broomrapeOrobanche uniflora L. oneflowered broomrape

OXALIDACEAEOxalis acetosella ssp. oregana (Nutt.) D. Love = Oxalis oreganaOxalis corniculata L. creeping woodsorrelOxalis dillenii Jacq. Dillen's oxalisOxalis oregana Nutt. Oregon oxalisOxalis suksdorfii Trel. Suksdorf woodsorrelOxalis trilliifolia Hook. threeleaf woodsorrelOxalis violacea L. violet woodsorrel

PAEONIACEAEPaeonia brownii Dougl. ex Hook. Brown's peony

PAPAVERACEAEArgemone hispida Gray rough pricklypoppyArgemone munita Dur. & Hilg. flatbud pricklypoppyArgemone munita ssp. rotundata (Rydb.) G.B. Ownbey flatbud pricklypoppyArgemone platyceras var. hispida (Gray) Prain = Argemone hispidaCanbya aurea S. Wats. golden pygmypoppyEschscholzia caespitosa Benth. tufted poppyEschscholzia californica Cham. California poppyEschscholzia californica ssp. californica Cham. California poppyEschscholzia hypecoides Benth. San Benito goldenpoppyGlaucium flavum Crantz yellow hornpoppyMeconella oregana Nutt. white fairypoppyPapaver rhoeas L. corn poppyPapaver somniferum L. opium poppyPlatystemon Benth. platystemonPlatystemon arizonicus Greene = Platystemon californicusPlatystemon californicus Benth. California creamcups

PHYTOLACCACEAEPhytolacca americana L. (?) American pokeweed

PINACEAEAbies X shastensis (Lemmon) Lemmon Shasta red firAbies amabilis (Dougl. ex Loud.) Dougl. ex Forbes Pacific silver fir


Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. white firAbies concolor var. concolor (Gord. & Glend.) Lindl. ex Hildebr. white firAbies concolor var. lowiana (Gord. & Glend.) Lemmon white firAbies grandis (Dougl. ex D. Don) Lindl. grand firAbies lasiocarpa (Hook.) Nutt. subalpine firAbies lasiocarpa var. lasiocarpa (Hook.) Nutt. subalpine firAbies magnifica A. Murr. California red firAbies procera Rehd. noble firLarix occidentalis Nutt. western larchPicea breweriana S. Wats. Brewer's sprucePicea engelmannii Parry ex Engelm. Engelmann's sprucePicea sitchensis (Bong.) Carr. Sitka sprucePinus albicaulis Engelm. whitebark pinePinus attenuata Lemmon knobcone pinePinus contorta Dougl. ex Loud. lodgepole pinePinus contorta var. contorta Dougl. ex Loud. lodgepole pinePinus contorta var. latifolia Engelm. ex S. Wats. tall lodgepole pinePinus contorta var. murrayana (Grev. & Balf.) Engelm. Murray lodgepole pinePinus flexilis James limber pinePinus jeffreyi Grev. & Balf. Jeffrey pinePinus lambertiana Dougl. sugar pinePinus monticola Dougl. ex D. Don western white pinePinus ponderosa P.& C. Lawson

ponderosa pinePinus ponderosa var. ponderosa P.& C. Lawson ponderosa pinePinus washoensis Mason & Stockwell Washoe pinePseudotsuga menziesii (Mirbel) Franco Douglas firPseudotsuga menziesii var. glauca (Beissn.) Franco Rocky Mountain Douglas firPseudotsuga menziesii var. menziesii (Mirbel) Franco Douglas firTsuga heterophylla (Raf.) Sarg. western hemlockTsuga mertensiana (Bong.) Carr. mountain hemlock

PLANTAGINACEAEPlantago aristata Michx. largebracted plantainPlantago bigelovii Gray annual coastal plantainPlantago coronopus L. buckhorn plantainPlantago elongata Pursh longleaf plantainPlantago elongata ssp. elongata Pursh prairie plantainPlantago erecta Morris dwarf plantainPlantago eriopoda Torr. redwool plantainPlantago lanceolata L. narrowleaf plantainPlantago major L. common plantainPlantago major var. intermedia (DC.) Pilger intermediate plantainPlantago major var. major L. common plantainPlantago major var. pachyphylla Pilger thickleaf plantainPlantago major var. pilgeri Domin Pilger's plantainPlantago maritima L.


goose tonguePlantago maritima var. californica (Fern.) Pilger California goose tonguePlantago maritima var. juncoides (Lam.) Gray goose tonguePlantago patagonica Jacq. woolly plantainPlantago psyllium L. whorled plantainPlantago pusilla Nutt. dwarf plantainPlantago subnuda Pilger tall coastal plantainPlantago virginica L. Virginia plantain

PLUMBAGINACEAEArmeria maritima (P. Mill.) Willd. thrift seapinkArmeria maritima ssp. californica (Boiss.) Porsild California seapinkArmeria maritima ssp. purpurea (W.D.J. Koch) A.& D. Love sea thriftLimonium californicum (Boiss.) Heller California sealavender

POLEMONIACEAEAllophyllum gilioides (Benth.) A.& V. Grant dense false gilyflowerAllophyllum gilioides ssp. gilioides (Benth.) A.& V. Grant dense false gilyflowerCollomia debilis (S. Wats.) Greene alpine mountaintrumpetCollomia debilis var. debilis (S. Wats.) Greene alpine mountaintrumpetCollomia debilis var. trifida Payson alpine mountaintrumpetCollomia grandiflora Dougl. ex Lindl. largeflower mountaintrumpetCollomia heterophylla Dougl. ex Hook. variableleaf mountaintrumpetCollomia larsenii GrayCollomia linearis Nutt. narrowleaf mountaintrumpet

Collomia macrocalyx Leib. ex Brand bristleflower mountaintrumpetCollomia mazama Coville Mt. Mazama mountaintrumpetCollomia renacta E. Joyal Barren Valley mountaintrumpetCollomia tenella Gray diffuse mountaintrumpetCollomia tinctoria Kellogg yellowstaining mountaintrumpetEriastrum sparsiflorum (Eastw.) Mason Great Basin woolstarEriastrum sparsiflorum ssp. sparsiflorum (Eastw.) Mason Great Basin woolstarEriastrum wilcoxii (A. Nels.) Mason Wilcox's woolstarGilia aggregata (Pursh) Spreng. = Ipomopsis aggregata ssp. aggregataGilia capillaris Kellogg miniature giliaGilia capitata Sims bluehead giliaGilia capitata ssp. capitata Sims bluehead giliaGilia capitata ssp. chamissonis (Greene) V. Grant bluehead giliaGilia capitata ssp. pacifica V. Grant Pacific giliaGilia congesta Hook. = Ipomopsis congesta ssp. congestaGilia gracilis Hook. = Phlox gracilis ssp. gracilisGilia inconspicua (Sm.) Sweet shy giliaGilia leptalea (Gray) Greene Bridges' giliaGilia leptomeria Gray sand giliaGilia micromeria Gray dainty giliaGilia millefoliata Fisch. & C.A. Mey. manyleaf giliaGilia nuttallii Gray = Linanthus nuttallii ssp. nuttalliiGilia ochroleuca M.E. Jones


volcanic giliaGilia salticola Eastw. salt giliaGilia sinuata Dougl. ex Benth. rosy giliaGilia tenerrima Gray delicate giliaGilia transmontana (Mason & A. Grant) A.& V. Grant transmontane giliaGilia tweedyi Rydb. Tweedy's gilaGymnosteris nudicaulis (Hook. & Arn.) Greene nakedstem gymnosterisGymnosteris parvula Heller smallflower gymnosterisIpomopsis aggregata (Pursh) V. Grant skyrocket giliaIpomopsis aggregata ssp. aggregata (Pursh) V. Grant skyrocket giliaIpomopsis congesta (Hook.) V. Grant ballhead giliaIpomopsis congesta ssp. congesta (Hook.) V. Grant ballhead giliaIpomopsis congesta ssp. montana (A. Nels. & Kennedy) V. Grant mountain ballhead giliaIpomopsis congesta ssp. palmifrons (Brand) Day ballhead giliaIpomopsis congesta ssp. viridis (Cronq.) Day ballhead giliaIpomopsis minutiflora (Benth.) V. Grant littleflower giliaIpomopsis polycladon (Torr.) V. Grant manybranched giliaLangloisia setosissima (Torr. & Gray ex Torr.) Greene moth langloisiaLangloisia setosissima ssp. punctata (Gray ex Coville) Timbrook Great Basin langloisiaLangloisia setosissima ssp. setosissima (Torr. & Gray ex Torr.) Greene Great Basin langloisiaLeptodactylon pungens (Torr.) Torr. ex Nutt. granite pricklygiliaLinanthus bicolor (Nutt.) Greene true babystarsLinanthus bicolor ssp. bicolor (Nutt.) Greene

true babystarsLinanthus bicolor ssp. minimus Mason true babystarsLinanthus bolanderi (Gray) Greene Bolander's deserttrumpetsLinanthus ciliatus (Benth.) Greene whiskerbrushLinanthus harknessii (Curran) Greene Harkness' flaxflowerLinanthus harknessii ssp. harknessii (Curran) Greene Harkness' flaxflowerLinanthus liniflorus (Benth.) Greene narrowflower flaxflowerLinanthus liniflorus ssp. pharnaceoides (Benth.) Mason lighthouse flaxflowerLinanthus nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpetsLinanthus nuttallii ssp. nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpetsLinanthus septentrionalis Mason northern linanthusNavarretia atractyloides (Benth.) Hook. & Arn. hollyleaf pincushionplantNavarretia breweri (Gray) Greene Brewer's navarretiaNavarretia divaricata (Torr. ex Gray) Greene divaricate navarretiaNavarretia divaricata ssp. divaricata (Torr. ex Gray) Greene divaricate navarretiaNavarretia heterandra Mason Tehama pincushionplantNavarretia intertexta (Benth.) Hook. needleleaf navarretiaNavarretia intertexta ssp. intertexta (Benth.) Hook. needleleaf navarretiaNavarretia intertexta ssp. propinqua (Suksdorf) Day near navarretiaNavarretia leucocephala Benth. whitehead navarretiaNavarretia leucocephala ssp. leucocephala Benth. whitehead navarretiaNavarretia leucocephala ssp. minima (Nutt.) Day least navarretiaNavarretia squarrosa (Eschsch.) Hook. & Arn. skunkbush


Navarretia tagetina Greene marigold pincushionplantPhlox aculeata A. Nels. sagebrush phloxPhlox adsurgens Torr. ex Gray northern phloxPhlox austromontana Coville desert phloxPhlox caespitosa Nutt. tufted phloxPhlox colubrina Wherry & Constance Snake River phloxPhlox diffusa Benth. spreading phloxPhlox diffusa ssp. diffusa Benth. spreading phloxPhlox diffusa ssp. longistylis Wherry spreading phloxPhlox diffusa ssp. scleranthifolia (Rydb.) Wherry spreading phloxPhlox diffusa ssp. subcarinata Wherry spreading phloxPhlox gracilis (Hook.) Greene slender phloxPhlox gracilis ssp. gracilis (Hook.) Greene slender phloxPhlox gracilis ssp. humilis (Greene) Mason dwarf phloxPhlox hendersonii (E. Nels.) Cronq. Henderson's phloxPhlox hoodii Richards. spiny phloxPhlox hoodii ssp. canescens (Torr. & Gray) Wherry carpet phloxPhlox hoodii ssp. lanata (Piper) Munz carpet phloxPhlox hoodii ssp. muscoides (Nutt.) Wherry musk phloxPhlox longifolia Nutt. longleaf phloxPhlox longifolia ssp. longifolia Nutt. longleaf phloxPhlox mollis Wherry soft phloxPhlox multiflora A. Nels.

flowery phloxPhlox multiflora ssp. depressa (E. Nels.) Wherry Rocky Mountain phloxPhlox peckii Wherry Peck's phloxPhlox pulvinata (Wherry) Cronq. cushion phloxPhlox rigida Benth. stiff phloxPhlox speciosa Pursh showy phloxPhlox speciosa ssp. lanceolata (E. Nels.) Wherry showy phloxPhlox speciosa ssp. lignosa Brand showy phloxPhlox speciosa ssp. nitida (Suksdorf) Wherry showy phloxPhlox speciosa ssp. occidentalis (Dur. ex Torr.) Wherry showy phloxPhlox speciosa ssp. speciosa Pursh showy phloxPhlox viridis E. Nels. green phloxPhlox viridis ssp. compacta (Brand) Wherry green phloxPhlox viridis ssp. longipes (M.E. Jones) Wherry green phloxPhlox viscida E. Nels. sticky phloxPolemonium acutiflorum Willd. ex Roemer & J.A. Schultes tall JacobsladderPolemonium californicum Eastw. moving polemoniumPolemonium carneum Gray royal JacobsladderPolemonium elegans Greene elegant JacobsladderPolemonium micranthum Benth. annual polemoniumPolemonium occidentale Greene western polemoniumPolemonium occidentale ssp. occidentale Greene western polemoniumPolemonium pulcherrimum Hook. skunkleaf polemonium


Polemonium pulcherrimum ssp. pulcherrimum Hook. pretty JacobsladderPolemonium viscosum Nutt. sticky polemonium

POLYGALACEAEPolygala californica Nutt. California milkwort

POLYGONACEAEChorizanthe brevicornu Torr. brittle spineflowerChorizanthe brevicornu var. spathulata (Small ex Rydb.) C.L. Hitchc. brittle spineflowerChorizanthe membranacea Benth. pink spineflowerChorizanthe watsonii Torr. & Gray fivetooth spineflowerEriogonum baileyi S. Wats. Bailey's buckwheatEriogonum baileyi var. baileyi S. Wats. Bailey's buckwheatEriogonum baileyi var. praebens (Gandog.) Reveal Bailey's buckwheatEriogonum brachyanthum Coville shortflower buckwheatEriogonum brevicaule Nutt. shortstem buckwheatEriogonum brevicaule var. laxifolium (Torr. & Gray) Reveal shortstem buckwheatEriogonum caespitosum Nutt. matted buckwheatEriogonum cernuum Nutt. nodding buckwheatEriogonum cernuum var. viminale (S. Stokes) Reveal nodding buckwheatEriogonum chrysops Rydb. bitterroot buckwheatEriogonum compositum Dougl. ex Benth. arrowleaf buckwheatEriogonum compositum var. compositum Dougl. ex Benth. arrowleaf buckwheatEriogonum compositum var. leianthum Hook. arrowleaf buckwheat

Eriogonum crosbyae Reveal Crosby's buckwheatEriogonum cusickii M.E. Jones Cusick's buckwheatEriogonum diclinum Reveal Jaynes Canyon buckwheatEriogonum douglasii Benth. Douglas' buckwheatEriogonum douglasii var. douglasii Benth. Douglas' buckwheatEriogonum douglasii var. sublineare (S. Stokes) Reveal Douglas' buckwheatEriogonum elatum Dougl. ex Benth. tall woolly buckwheatEriogonum elatum var. elatum Dougl. ex Benth. tall woolly buckwheatEriogonum elatum var. villosum Jepson tall woolly buckwheatEriogonum flavum Nutt. yellow eriogonumEriogonum flavum var. piperi (Greene) M.E. Jones Piper's golden buckwheatEriogonum heracleoides Nutt. parsnipflower buckwheatEriogonum heracleoides var. angustifolium (Nutt.) Torr. & Gray parsnipflower buckwheatEriogonum heracleoides var. heracleoides Nutt. parsnipflower buckwheatEriogonum hirtellum J.T. Howell & Bacig. Klamath Mountain buckwheatEriogonum incanum Torr. & Gray frosted buckwheatEriogonum kingii Torr. & Gray Ruby Mountain buckwheatEriogonum latifolium Sm. seaside buckwheatEriogonum lobbii Torr. & Gray granite buckwheatEriogonum lobbii var. lobbii Torr. & Gray Lobb's buckwheatEriogonum luteolum Greene goldencarpet buckwheatEriogonum maculatum Heller spotted buckwheatEriogonum marifolium Torr. & Gray


marumleaf buckwheatEriogonum microthecum Nutt. slender buckwheatEriogonum microthecum var. laxiflorum Hook. slender buckwheatEriogonum microthecum var. microthecum Nutt. slender buckwheatEriogonum nidularium Coville birdnest buckwheatEriogonum niveum Dougl. ex Benth. snow buckwheatEriogonum novonudum M.E. Peck falsenaked buckwheatEriogonum nudum Dougl. ex Benth. naked buckwheatEriogonum nudum var. nudum Dougl. ex Benth. naked buckwheatEriogonum nudum var. oblongifolium S. Wats. naked buckwheatEriogonum nudum var. pubiflorum Benth. naked buckwheatEriogonum nutans Torr. & Gray Dugway buckwheatEriogonum nutans var. nutans Torr. & Gray Dugway buckwheatEriogonum ochrocephalum S. Wats. whitewoolly buckwheatEriogonum ochrocephalum var. calcareum (S. Stokes) M.E. Peck whitewoolly buckwheatEriogonum ochrocephalum var. ochrocephalum S. Wats. whitewoolly buckwheatEriogonum ovalifolium Nutt. cushion buckwheatEriogonum ovalifolium var. depressum Blank. cushion buckwheatEriogonum ovalifolium var. nivale (Canby) M.E. Jones cushion buckwheatEriogonum ovalifolium var. ochroleucum (Small ex Rydb.) M.E. Peck cushion buckwheatEriogonum ovalifolium var. ovalifolium Nutt. cushion buckwheatEriogonum ovalifolium var. purpureum (Nutt.) Dur. cushion buckwheatEriogonum ovalifolium var. vineum (Small) Jepson cushion buckwheat

Eriogonum pendulum S. Wats. Waldo buckwheatEriogonum prociduum Reveal prostrate buckwheatEriogonum pusillum Torr. & Gray yellowturbansEriogonum pyrolifolium Hook. Shasta buckwheatEriogonum pyrolifolium var. coryphaeum Torr. & Gray Shasta buckwheatEriogonum pyrolifolium var. pyrolifolium Hook. Shasta buckwheatEriogonum roseum Dur. & Hilg. wand buckwheatEriogonum salicornioides Gandog. saltwort buckwheatEriogonum scopulorum Reveal cliff buckwheatEriogonum spergulinum Gray spurry buckwheatEriogonum spergulinum var. reddingianum (M.E. Jones) J.T. Howell Redding buckwheatEriogonum sphaerocephalum Dougl. ex Benth. rock buckwheatEriogonum sphaerocephalum var. halimioides S. Stokes rock buckwheatEriogonum sphaerocephalum var. sphaerocephalum Dougl. ex Benth. rock buckwheatEriogonum strictum Benth. Blue Mountain buckwheatEriogonum strictum ssp. proliferum (Torr. & Gray) S. Stokes Blue Mountain buckwheatEriogonum strictum ssp. proliferum var. anserinum (Greene) R.J. Davis Blue Mountain buckwheatEriogonum strictum ssp. proliferum var. proliferum (Torr. & Gray) C.L. Hitchc. Blue Mountain buckwheatEriogonum strictum ssp. strictum Benth. Blue Mountain buckwheatEriogonum ternatum T.J. Howell ternate buckwheatEriogonum thymoides Benth. thymeleaf buckwheat


Eriogonum umbellatum Torr. sulphur wildbuckwheatEriogonum umbellatum var. aureum (Gandog.) Reveal sulphurflower buckwheatEriogonum umbellatum var. dichrocephalum Gandog. sulphurflower buckwheatEriogonum umbellatum var. glaberrimum (Gandog.) Reveal sulphurflower buckwheatEriogonum umbellatum var. hausknechtii (Dammer) M.E. Jones Hausknecht's buckwheatEriogonum umbellatum var. majus Hook. sulphurflower buckwheatEriogonum umbellatum var. nevadense Gandog. Nevada buckwheatEriogonum umbellatum var. polyanthum (Benth.) M.E. Jones sulphurflower buckwheatEriogonum umbellatum var. stellatum (Benth.) M.E. Jones sulphurflower buckwheatEriogonum umbellatum var. torreyanum (Gray) M.E. Jones Torrey buckwheatEriogonum umbellatum var. umbellatum Torr. sulphurflower buckwheatEriogonum ursinum S. Wats. Bear Valley buckwheatEriogonum vimineum Dougl. ex Benth. wickerstem buckwheatEriogonum watsonii Torr. & Gray Watson's buckwheatFagopyrum esculentum Moench fagopyrumOxyria digyna (L.) Hill alpine mountainsorrelOxytheca dendroidea Nutt. narrowleaf oxythecaPolygonum achoreum Blake leathery knotweedPolygonum amphibium L. water knotweedPolygonum amphibium var. emersum Michx. longroot smartweedPolygonum amphibium var. stipulaceum Coleman water smartweedPolygonum aviculare L. prostrate knotweedPolygonum bellardii All.

narrowleaf knotweedPolygonum bistortoides Pursh American bistortPolygonum buxiforme Small box knotweedPolygonum californicum Meisn. California knotweedPolygonum cascadense W.H. Baker Cascade knotweedPolygonum convolvulus L. black bindweedPolygonum cuspidatum Sieb. & Zucc. Japanese knotweedPolygonum davisiae Brewer ex Gray Davis' knotweedPolygonum douglasii Greene Douglas' knotweedPolygonum douglasii ssp. austiniae (Greene) E. Murr. Austin knotweedPolygonum douglasii ssp. douglasii Greene Douglas' knotweedPolygonum douglasii ssp. johnstonii (Munz) Hickman Johnston's knotweedPolygonum douglasii ssp. majus (Meisn.) Hickman large knotweedPolygonum douglasii ssp. nuttallii (Small) Hickman Nuttall's knotweedPolygonum douglasii ssp. spergulariiforme (Meisn. ex Small) Hickman scatter knotweedPolygonum erectum L. erect knotweedPolygonum fowleri B.L. Robins. Fowler's knotweedPolygonum heterosepalum M.E. Peck & Ownbey oddsepal knotweedPolygonum hydropiper L. marshpepper knotweedPolygonum hydropiperoides Michx. swamp smartweedPolygonum lapathifolium L. curlytop knotweedPolygonum lapathifolium var. lapathifolium L. curlytop knotweedPolygonum lapathifolium var. salicifolium Sibthorp


curlytop knotweedPolygonum minimum S. Wats. broadleaf knotweedPolygonum newberryi Small Newberry's knotweedPolygonum paronychia Cham. & Schlecht. beach knotweedPolygonum parryi Greene Parry's knotweedPolygonum perfoliatum L. Asiatic tearthumbPolygonum persicaria L. spotted ladysthumbPolygonum phytolaccifolium Meisn. ex Small poke knotweedPolygonum polygaloides Wallich ex Meisn. polygala knotweedPolygonum polygaloides ssp. confertiflorum (Nutt. ex Piper) Hickman fruitleaf knotweedPolygonum polygaloides ssp. esotericum (L.C. Wheeler) Hickman whitemargin knotweedPolygonum polygaloides ssp. kelloggii (Greene) Hickman Kellogg's knotweedPolygonum polygaloides ssp. polygaloides Wallich ex Meisn. fruitleaf knotweedPolygonum polystachyum Wallich ex Meisn. cultivated knotweedPolygonum punctatum Ell. dotted smartweedPolygonum ramosissimum Michx. bushy knotweedPolygonum ramosissimum var. prolificum Small bushy knotweedPolygonum sachalinense F. Schmidt ex Maxim. giant knotweedPolygonum shastense Brewer ex Gray Shasta knotweedPolygonum viviparum L. alpine bistortPterostegia drymarioides Fisch. & C.A. Mey. woodland pterostegiaRumex X acutus L. (pro sp.) acute dockRumex acetosa L. garden sorrel

Rumex acetosa ssp. acetosa L. garden sorrelRumex acetosella L. common sheep sorrelRumex aquaticus L. western dockRumex aquaticus var. fenestratus (Greene) Dorn western dockRumex conglomeratus Murr. clustered dockRumex crispus L. curly dockRumex dentatus L. toothed dockRumex maritimus L. golden dockRumex obtusifolius L. bitter dockRumex paucifolius Nutt. fewleaved dockRumex paucifolius ssp. gracilescens (Rech. f.) Rech. f. alpine sheep sorrelRumex paucifolius ssp. paucifolius Nutt. fewleaved dockRumex pulcher L. fiddle dockRumex salicifolius Weinm. willow dockRumex salicifolius var. crassus (Rech. f.) J.T. Howell willow dockRumex salicifolius var. denticulatus Torr. toothed willow dockRumex salicifolius var. lacustris (Greene) Hickman lake willow dockRumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. Mexican dockRumex salicifolius var. transitorius (Rech. f.) Hickman willow dockRumex sanguineus L. redvein dockRumex venosus Pursh veiny dock


POLYPODIACEAEPolypodium amorphum Suksdorf irregular polypodyPolypodium glycyrrhiza D.C. Eat. licorice fernPolypodium hesperium Maxon western polypodyPolypodium scouleri Hook. & Grev. leathery polypodyPolypodium vulgare ssp. columbianum (Gilbert) Hulten = Polypodium hesperiumPolypodium vulgare et al = Polypodium glycyrrhiza

PONTEDERIACEAEHeteranthera dubia (Jacq.) MacM. grassleaf mudplantain

PORTULACACEAECalandrinia ciliata (Ruiz & Pavon) DC. fringed redmaidsCistanthe rosea (S. Wats.) Hershkovitz rosy pussypawsCistanthe umbellata (Torr.) Hershkovitz Mt. Hood pussypawsClaytonia arenicola Henderson sand springbeautyClaytonia cordifolia S. Wats. heartleaf springbeautyClaytonia exigua Torr. & GrayClaytonia exigua ssp. exigua Torr. & GrayClaytonia heterophylla (Torr. & Gray) Swanson variableleaf springbeautyClaytonia lanceolata Pursh lanceleaf springbeautyClaytonia lanceolata var. lanceolata Pursh lanceleaf springbeautyClaytonia lanceolata var. sessilifolia (Torr.) A. Nels. lanceleaf springbeautyClaytonia megarhiza (Gray) Parry ex S. Wats. alpine springbeautyClaytonia megarhiza var. bellidifolia (Rydb.) C.L. Hitchc. alpine springbeauty

Claytonia nevadensis S. Wats. Sierran springbeautyClaytonia parviflora Dougl. ex Hook. streambank springbeautyClaytonia perfoliata Donn ex Willd. miner's lettuceClaytonia perfoliata ssp. perfoliata Donn ex Willd. miner's lettuceClaytonia perfoliata ssp. perfoliata var. perfoliata Donn ex Willd. miner's lettuceClaytonia rubra (T.J. Howell) Tidestrom redstem springbeautyClaytonia sibirica L. Siberian springbeautyClaytonia sibirica var. bulbifera Gray Siberian springbeautyClaytonia sibirica var. sibirica L. Siberian springbeautyClaytonia spathulata Dougl. ex Hook. pale springbeautyClaytonia spathulata var. spathulata Dougl. ex Hook. pale springbeautyClaytonia umbellata S. Wats. Great Basin springbeautyLewisia columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterrootLewisia columbiana var. columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterrootLewisia columbiana var. rupicola (English) C.L. Hitchc. Columbian bitterrootLewisia columbiana var. wallowensis C.L. Hitchc. Wallowa lewisiaLewisia cotyledon (S. Wats.) B.L. Robins. Siskiyou bitterrootLewisia cotyledon var. cotyledon (S. Wats.) B.L. Robins. Siskiyou bitterrootLewisia cotyledon var. howellii (S. Wats.) Jepson Howell's bitterrootLewisia leeana (Porter) B.L. Robins. Lee's bitterrootLewisia nevadensis (Gray) B.L. Robins. Nevada bitterrootLewisia oppositifolia (S. Wats.) B.L. Robins. oppositeleaf bitterroot


Lewisia pygmaea (Gray) B.L. Robins. pigmy bitterrootLewisia rediviva Pursh Oregon bitterrootLewisia rediviva var. rediviva Pursh Oregon bitterrootLewisia triphylla (S. Wats.) B.L. Robins. threeleaf lewisiaMontia chamissoi (Ledeb. ex Spreng.) Greene water minerslettuceMontia cordifolia (S. Wats.) Pax & K. Hoffmann = Claytonia cordifoliaMontia dichotoma (Nutt.) T.J. Howell dwarf minerslettuceMontia diffusa (Nutt.) Greene spreading minerslettuceMontia fontana L. annual water minerslettuceMontia fontana ssp. fontana L. annual water minerslettuceMontia heterophylla (Torr. & Gray) Jepson = Claytonia heterophyllaMontia howellii S. Wats. Howell's minerslettuceMontia linearis (Dougl. ex Hook.) Greene narrowleaf minerslettuceMontia parvifolia (Moc. ex DC.) Greene littleleaf minerslettuceMontia parvifolia ssp. flagellaris (Bong.) Ferris littleleaf minerslettuceMontia parvifolia ssp. parvifolia (Moc. ex DC.) Greene littleleaf minerslettuceMontia perfoliata (Donn ex Willd.) T.J. Howell = Claytonia perfoliata ssp. perfoliataMontia sibirica (L.) T.J. Howell = Claytonia sibirica var. sibiricaMontia spathulata (Dougl. ex Hook.) T.J. Howell = Claytonia spathulataPortulaca oleracea L. little hogweedTalinum pygmaeum Gray = Lewisia pygmaeaTalinum spinescens Torr. spiny fameflower

POTAMOGETONACEAEPotamogeton alpinus Balbis alpine pondweedPotamogeton amplifolius Tuckerman largeleaf pondweedPotamogeton crispus L. curly pondweedPotamogeton diversifolius Raf. waterthread pondweedPotamogeton epihydrus Raf. ribbonleaf pondweedPotamogeton filiformis Pers. fineleaf pondweedPotamogeton foliosus Raf. leafy pondweedPotamogeton foliosus var. foliosus Raf. leafy pondweedPotamogeton gramineus L. variableleaf pondweedPotamogeton illinoensis Morong Illinois pondweedPotamogeton latifolius (J.W. Robbins) Morong broadleaf pondweedPotamogeton natans L. floating pondweedPotamogeton nodosus Poir. longleaf pondweedPotamogeton pectinatus L. sago pondweedPotamogeton praelongus Wulfen whitestem pondweedPotamogeton pusillus L. small pondweedPotamogeton pusillus var. pusillus L. small pondweedPotamogeton pusillus var. tenuissimus Mert. & Koch small pondweedPotamogeton richardsonii (Benn.) Rydb. Richardson's pondweedPotamogeton robbinsii Oakes Robbins' pondweedPotamogeton vaginatus Turcz. sheathed pondweedPotamogeton zosteriformis Fern.


flatstem pondweed

PRIMULACEAEAnagallis arvensis L. scarlet pimpernelAnagallis minima (L.) Krause chaffweedAndrosace elongata L. California rockjasmineAndrosace septentrionalis L. pygmyflower rockjasmineAndrosace septentrionalis ssp. subumbellata (A. Nels.) G.T. Robbins pygmyflower rockjasmineDodecatheon alpinum (Gray) Greene alpine shootingstarDodecatheon austrofrigidum sp. nov. ined. tundra shootingstarDodecatheon conjugens Greene Bonneville shootingstarDodecatheon conjugens var. conjugens Greene Bonneville shootingstarDodecatheon dentatum Hook. white shootingstarDodecatheon hendersonii Gray mosquito billsDodecatheon hendersonii ssp. hendersonii Gray Henderson's shootingstarDodecatheon jeffreyi Van Houtte tall mountain shootingstarDodecatheon jeffreyi ssp. jeffreyi Van Houtte Jeffrey's shootingstarDodecatheon meadia L. pride of OhioDodecatheon meadia ssp. meadia L. pride of OhioDodecatheon poeticum Henderson poet's shootingstarDodecatheon pulchellum (Raf.) Merr. darkthroat shootingstarDodecatheon pulchellum ssp. cusickii (Greene) Calder & Taylor Cusick's shootingstarDodecatheon pulchellum ssp. macrocarpum (Gray) Taylor & MacBryde darkthroat shootingstar

Dodecatheon pulchellum ssp. monanthum (Greene ex R. Knuth) H.J. Thompson ex Munz darkthroat shootingstarDodecatheon pulchellum ssp. pulchellum (Raf.) Merr. darkthroat shootingstarDouglasia laevigata Gray cliff dwarfprimroseDouglasia laevigata var. ciliolata Constance cliff dwarfprimroseDouglasia laevigata var. laevigata Gray cliff dwarfprimroseGlaux maritima L. sea milkwortLysimachia ciliata L. fringed loosestrifeLysimachia hybrida Michx. lowland yellow loosestrifeLysimachia nummularia L. creeping jennyLysimachia punctata L. large yellow loosestrifeLysimachia terrestris (L.) B.S.P. earth loosestrifeLysimachia thyrsiflora L. tufted loosestrifePrimula cusickiana (Gray) Gray Cusick's primroseTrientalis borealis Raf. American starflowerTrientalis borealis ssp. latifolia (Hook.) Hulten broadleaf starflowerTrientalis europaea L. arctic starflowerTrientalis europaea ssp. arctica (Fisch. ex Hook.) Hulten arctic starflower

PTERIDACEAEAdiantum aleuticum (Rupr.) Paris Aleutian maidenhairAdiantum jordanii C. Muell. California maidenhairAdiantum pedatum L. northern maidenhairAspidotis densa (Brack.) Lellinger


Indian's dreamCheilanthes feei T. Moore slender lipfernCheilanthes gracillima D.C. Eat. lace lipfernCheilanthes intertexta (Maxon) Maxon coastal lipfernCryptogramma acrostichoides R. Br. American rockbrakeCryptogramma stelleri (Gmel.) Prantl fragile rockbrakePellaea andromedifolia (Kaulfuss) Fee coffee cliffbrakePellaea brachyptera (T. Moore) Baker Sierran cliffbrakePellaea breweri D.C. Eat. Brewer's cliffbrakePellaea bridgesii Hook. Bridges' cliffbrakePentagrama Yatskievych, Windham & Wollenweber gold fernPentagrama triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfernPentagrama triangularis ssp. triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfern

RANUNCULACEAEAconitum bulbiferum T.J. Howell = Aconitum columbianum ssp. viviparumAconitum columbianum Nutt. Columbian monkshoodAconitum columbianum ssp. viviparum (Greene) D.E. BrinkAconitum columbianum var. columbianum Nutt. Columbian monkshoodActaea arguta Nutt. = Actaea rubra ssp. argutaActaea rubra (Ait.) Willd. red baneberryActaea rubra ssp. arguta (Nutt.) Hulten red baneberryAnemone deltoidea Hook. Columbian windflower

Anemone drummondii S. Wats. Drummond's anemoneAnemone drummondii ssp. drummondii S. Wats. Drummond's anemoneAnemone globosa (Torr. & Gray) Nutt. ex Pritz. = Anemone multifida var. hudsonianaAnemone lyallii Britt. Little Mountain thimbleweedAnemone multifida Poir. Pacific anemoneAnemone multifida var. hudsoniana DC. Hudson's anemoneAnemone nemorosa var. lyallii (Britt.) Ulbr. = Anemone lyalliiAnemone occidentalis S. Wats. = Pulsatilla occidentalisAnemone oregana Gray blue windflowerAnemone oregana var. felix (M.E. Peck) C.L. Hitchc. Felix anemoneAnemone oregana var. oregana Gray blue windflowerAnemone parviflora Michx. smallflowered anemoneAnemone piperi Britt. ex Rydb. Piper's anemoneAnemone quinquefolia L. nightcapsAnemone quinquefolia var. grayi (Behr & Kellogg) Jepson = Anemone oregana var. oreganaAnemone quinquefolia var. lyallii (Britt.) B.L. Robins. = Anemone lyalliiAnemone tetonensis Porter ex Britt. Teton anemoneAquilegia flavescens S. Wats. yellow columbineAquilegia flavescens var. flavescens S. Wats. yellow columbineAquilegia formosa Fisch. ex DC. western columbineAquilegia formosa var. formosa Fisch. ex DC. crimson columbineCaltha biflora DC. = Caltha leptosepala ssp. howelliiCaltha leptosepala DC.


white marshmarigoldCaltha leptosepala ssp. howellii (Huth) P.G. Sm. Howell's marshmarigoldCaltha leptosepala ssp. leptosepala DC. white marshmarigoldCaltha leptosepala ssp. leptosepala var. leptosepala DC. white marshmarigoldCaltha palustris L. yellow marshmarigoldCaltha palustris var. palustris L. yellow marshmarigoldCeratocephala testiculata (Crantz) Bess. curveseed butterwortCimicifuga elata Nutt. tall bugbaneCimicifuga laciniata S. Wats. Mt. Hood bugbaneClematis columbiana (Nutt.) Torr. & Gray rock clematisClematis columbiana var. columbiana (Nutt.) Torr. & Gray rock clematisClematis hirsutissima Pursh hairy clematisClematis ligusticifolia Nutt. western white clematisClematis ligusticifolia var. brevifolia Nutt. western white clematisClematis ligusticifolia var. ligusticifolia Nutt. western white clematisClematis pseudoalpina (Kuntze) A. Nels. = Clematis columbiana var. columbianaClematis vitalba L. evergreen clematisConsolida ajacis (L.) Schur doubtful knight's spurCoptis laciniata Gray Oregon goldthreadCoptis trifolia (L.) Salisb. threeleaf goldthreadDelphinium X burkei Greene Burk larkspurDelphinium X occidentale (S. Wats.) S. Wats. duncecap larkspurDelphinium X pavonaceum Ewan peacock larkspur

Delphinium andersonii Gray Anderson's larkspurDelphinium andersonii ssp. andersonii Gray Anderson's larkspurDelphinium bicolor Nutt. little larkspurDelphinium decorum Fisch. & C.A. Mey. coastal larkspurDelphinium decorum ssp. tracyi Ewan Tracy's larkspurDelphinium depauperatum Nutt. slim larkspurDelphinium glareosum Greene Olympic larkspurDelphinium glareosum ssp. caprorum (Ewan) Ewan Olympic larkspurDelphinium glaucum S. Wats. Sierra larkspurDelphinium menziesii DC. Menzies' larkspurDelphinium nudicaule Torr. & Gray red larkspurDelphinium nuttallianum Pritz. ex Walp. Nuttal's larkspurDelphinium nuttallianum var. fulvum C.L. Hitchc. yellow larkspurDelphinium nuttallianum var. lineapetalum (Ewan) C.L. Hitchc. Nuttal's larkspurDelphinium nuttallianum var. nuttallianum Pritz. ex Walp. Nuttal's larkspurDelphinium nuttallii Gray Nuttall's larkspurDelphinium nuttallii ssp. ochroleucum (Nutt.) WarnockDelphinium occidentale ssp. occidentale (S. Wats.) S. Wats. duncecap larkspurDelphinium stachydeum (Gray) Tidestrom Rocky Mountain larkspurDelphinium trolliifolium Gray Columbian larkspurDelphinium uliginosum Curran swamp larkspurEnemion hallii (Gray) Drumm. & Hutchinson Willamette false rue anemoneEnemion stipitatum (Gray) Drumm. & Hutchinson Siskiyou false rue anemone


Isopyrum = Enemion Myosurus apetalus var. montanus (Campbell) WhitemoreMyosurus aristatus Benth. bristle mousetailMyosurus minimus ssp. apus (Greene) Campbell tiny mousetailMyosurus minimus ssp. apus var. sessiliflorus (Huth) Campbell tiny mousetailMyosurus minimus ssp. major (Greene) Campbell tiny mousetailMyosurus minimus ssp. major var. clavicaulis (M.E. Peck) Campbell tiny mousetailMyosurus minimus ssp. major var. major (Greene) K.C. Davis tiny mousetailMyosurus minimus ssp. minimus L. tiny mousetailMyosurus minumus L. tiny mousetailNigella damascena L. devil in the bushPulsatilla occidentalis (S. Wats.) Freyn white pasqueflowerRanunculus acris L. tall buttercupRanunculus acris var. acris L. showy buttercupRanunculus alismifolius Geyer ex Benth. plantainleaf buttercupRanunculus alismifolius var. alismellus Gray plantainleaf buttercupRanunculus alismifolius var. alismifolius Geyer ex Benth. plantainleaf buttercupRanunculus alismifolius var. davisii L. Benson Davis' buttercupRanunculus andersonii Gray Anderson's buttercupRanunculus andersonii var. andersonii Gray Anderson's buttercupRanunculus aquatilis L. whitewater crowfootRanunculus arvensis L. corn buttercupRanunculus austrooreganus L. Benson Southern Oregon buttercup

Ranunculus bulbosus L. St. Anthony's turnipRanunculus californicus Benth. California buttercupRanunculus californicus var. californicus Benth. California buttercupRanunculus cymbalaria Pursh alkali buttercupRanunculus cymbalaria var. saximontanus Fern. Rocky Mountain buttercupRanunculus eschscholtzii Schlecht. Eschscholtz's buttercupRanunculus eschscholtzii var. eschscholtzii Schlecht. Eschscholtz's buttercupRanunculus eschscholtzii var. trisectus (Eastw.) L. Benson threesection buttercupRanunculus flabellaris Raf. yellow water buttercupRanunculus flammula L. spearwort buttercupRanunculus flammula var. flammula L. flam buttercupRanunculus glaberrimus Hook. sagebrush buttercupRanunculus glaberrimus var. ellipticus (Greene) Greene elliptical buttercupRanunculus glaberrimus var. glaberrimus Hook. sagebrush buttercupRanunculus glaberrimus var. reconditus L. Benson sagebrush buttercupRanunculus gmelinii DC. Gmelin's buttercupRanunculus gmelinii var. purshii (Richards.) Hara Pursh's buttercupRanunculus gormanii Greene Gorman's buttercupRanunculus hebecarpus Hook. & Arn. delicate buttercupRanunculus lobbii (Hiern) Gray Lobb's buttercupRanunculus longirostris Godr. longbeak buttercupRanunculus macounii Britt. Macoun's buttercupRanunculus muricatus L.


spinyfruit buttercupRanunculus occidentalis Nutt. western buttercupRanunculus occidentalis var. occidentalis Nutt. western buttercupRanunculus oresterus L. Benson Blue Mountain buttercupRanunculus orthorhynchus Hook. straightbeak buttercupRanunculus orthorhynchus var. bloomeri (S. Wats.) L. Benson Bloomer's buttercupRanunculus orthorhynchus var. orthorhynchus Hook. straightbeak buttercupRanunculus parviflorus L. smallflower buttercupRanunculus populago Greene popular buttercupRanunculus repens L. creeping buttercupRanunculus repens var. degeneratus Schur creeping buttercupRanunculus repens var. glabratus DC. creeping buttercupRanunculus repens var. repens L. creeping buttercupRanunculus sardous Crantz hairy buttercupRanunculus sceleratus L. celeryleaf buttercupRanunculus sceleratus var. multifidus Nutt. blister buttercupRanunculus sceleratus var. sceleratus L. cursed buttercupRanunculus trichophyllus Chaix whitewater crowfootRanunculus trichophyllus var. trichophyllus Chaix hairleaf water buttercupRanunculus uncinatus D. Don ex G. Don hooked buttercupRanunculus uncinatus var. parviflorus (Torr.) L. Benson common Idaho buttercupRanunculus uncinatus var. uncinatus D. Don ex G. Don woodland buttercupRanunculus verecundus B.L. Robins. ex Piper wetslope buttercup

Thalictrum alpinum L. alpine meadowrueThalictrum fendleri Engelm. ex Gray Fendler's meadowrueThalictrum fendleri var. polycarpum Torr. Fendler's meadowrueThalictrum occidentale Gray western meadowrueThalictrum occidentale var. occidentale Gray western meadowrueThalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. fewflower meadowrueThalictrum sparsiflorum var. saximontanum Boivin fewflower meadowrueThalictrum venulosum Trel. veiny meadowrueTrautvetteria caroliniensis (Walt.) Vail Carolina bugbaneTrollius laxus Salisb. American globeflowerTrollius laxus ssp. albiflorus (Gray) A.& D. Love & Kapoor American globeflower

RESEDACEAEReseda alba L. white upright mignonetteReseda lutea L. yellow mignonetteReseda luteola L. weld

RHAMNACEAECeanothus cordulatus Kellogg whitethorn ceanothusCeanothus cuneatus (Hook.) Nutt. buckbrushCeanothus integerrimus Hook. & Arn. deerbrushCeanothus prostratus Benth. squawcarpetCeanothus prostratus ssp. prostratus Benth. squawcarpetCeanothus prostratus ssp. pumilus (Greene) C. Schmidt dwarf ceanothus


Ceanothus sanguineus Pursh redstem ceanothusCeanothus thyrsiflorus Eschsch. blueblossom ceanothusCeanothus velutinus Dougl. ex Hook. snowbrush ceanothusCeanothus velutinus ssp. hookeri (M.C. Johnston) C. Schmidt Hooker's ceanothusCeanothus velutinus ssp. velutinus Dougl. ex Hook. tobacco brushFrangula californica (Eschsch.) Gray California buckthornFrangula californica ssp. californica (Eschsch.) Gray California buckthornFrangula californica ssp. occidentalis (T.J. Howell) Kartesz & Gandhi California buckthornFrangula purshiana (DC.) Cooper Pursh's buckthornRhamnus alnifolia L'Her. alderleaf buckthornRhamnus californica Eschsch. = Frangula californica ssp. californicaRhamnus crocea Nutt. redberry buckthornRhamnus crocea ssp. ilicifolia (Kellogg) C.B. Wolf hollyleaf redberryRhamnus purshiana DC. = Frangula purshiana

ROSACEAEAgrimonia gryposepala Wallr. tall hairy agrimonyAlchemilla = Aphanes arvensisAmelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberryAmelanchier alnifolia var. alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberryAmelanchier alnifolia var. cusickii (Fern.) C.L. Hitchc. Cusick's serviceberryAmelanchier alnifolia var. semiintegrifolia (Hook.) C.L. Hitchc. Pacific serviceberry

Amelanchier pallida Greene pale serviceberryAmelanchier pumila (Torr. & Gray) Nutt. ex M. Roemer dwarf serviceberryAmelanchier utahensis Koehne Utah serviceberryAmelanchier utahensis ssp. utahensis Koehne Utah serviceberryAphanes arvensis L. field parsley piertArgentina anserina (L.) Rydb. silverweed cinquefoilArgentina egedii (Wormsk.) Rydb. Pacific silverweedArgentina egedii ssp. egedii (Wormsk.) Rydb. Eged's Pacific silverweedAruncus dioicus (Walt.) Fern. bride's feathersAruncus dioicus var. acuminatus (Rydb.) Rydb. ex Hara bride's feathersCercocarpus ledifolius Nutt. curlleaf mountain mahoganyCercocarpus ledifolius var. intercedens Schneid. curlleaf mountain mahoganyCercocarpus ledifolius var. ledifolius Nutt. curlleaf mountain mahoganyCercocarpus montanus Raf. true mountain mahoganyCercocarpus montanus var. glaber (S. Wats.) F.L. Martin birchleaf mountain mahoganyCercocarpus montanus var. montanus Raf. birchleaf mountain mahoganyChamaebatiaria millefolium (Torr.) Maxim. fernbushComarum palustre L. purple marshlocksCrataegus chrysocarpa Ashe fireberry hawthornCrataegus columbiana T.J. Howell = Crataegus douglasii var. douglasiiCrataegus curvisepala Lindm. English hawthornCrataegus douglasii Lindl. black hawthornCrataegus douglasii var. douglasii Lindl.


Douglas' hawthornCrataegus monogyna Jacq. oneseed hawthornCrataegus oxyacantha auct. non L. = Crataegus curvisepalaCrataegus suksdorfii (Sarg.) Kruschke Suksdorf's hawthornDryas drummondii Richards. ex Hook. Drummond's dryadDryas octopetala L. white dryadDryas octopetala ssp. hookeriana (Juz.) Hulten Hooker's mountainavensDuchesnea indica (Andr.) Focke Indian strawberryFilipendula occidentalis (S. Wats.) T.J. Howell meadowsweetFragaria X ananassa Duchesne (pro sp.) hybrid strawberryFragaria X ananassa var. cuneifolia (Nutt. ex T.J. Howell) Staudt (pro nm.) hybrid strawberryFragaria chiloensis (L.) P. Mill. beach strawberryFragaria crinita Rydb. Pacific strawberryFragaria vesca L. woodland strawberryFragaria vesca ssp. bracteata (Heller) Staudt woodland strawberryFragaria vesca ssp. californica (Cham. & Schlecht.) Staudt California strawberryFragaria virginiana Duchesne Virginia strawberryFragaria virginiana ssp. platypetala (Rydb.) Staudt Virginia strawberryGeum aleppicum Jacq. yellow avensGeum macrophyllum Willd. largeleaf avensGeum macrophyllum var. macrophyllum Willd. largeleaf avensGeum macrophyllum var. perincisum (Rydb.) Raup largeleaf avensGeum rossii (R. Br.) Ser.

Ross' avensGeum rossii var. turbinatum (Rydb.) C.L. Hitchc. Ross' avensGeum triflorum Pursh prairiesmokeGeum triflorum var. campanulatum (Greene) C.L. Hitchc. old man's whiskersGeum triflorum var. ciliatum (Pursh) Fassett old man's whiskersHolodiscus discolor (Pursh) Maxim. oceansprayHorkelia congesta Dougl. ex Hook. Sierran honeydewHorkelia congesta ssp. congesta Dougl. ex Hook. Sierran honeydewHorkelia congesta ssp. nemorosa Keck Sierran honeydewHorkelia daucifolia (Greene) Rydb. carrotleaf honeydewHorkelia daucifolia ssp. daucifolia (Greene) Rydb. carrotleaf honeydewHorkelia fusca Lindl. tawny horkeliaHorkelia fusca ssp. capitata (Lindl.) Keck bighead horkeliaHorkelia fusca ssp. filicoides (Crum) Keck pinewoods honeydewHorkelia fusca ssp. fusca Lindl. pinewoods honeydewHorkelia fusca ssp. parviflora (Nutt. ex Torr. & Gray) Keck smallflower horkeliaHorkelia fusca ssp. pseudocapitata (Rydb. ex T.J. Howell) Keck littlehead horkeliaHorkelia hendersonii T.J. Howell Henderson's honeydewHorkelia sericata S. Wats. silky honeydewHorkelia tridentata Torr. threetooth honeydewIvesia baileyi S. Wats. Bailey's ivesiaIvesia baileyi var. baileyi S. Wats. Bailey's ivesiaIvesia baileyi var. beneolens (A. Nels. & J.F. Macbr.) Ertter Bailey's ivesia


Ivesia gordonii (Hook.) Torr. & Gray Gordon's ivesiaIvesia rhypara Ertter & Reveal grimy mousetailIvesia rhypara var. rhypara Ertter & Reveal grimy mousetailIvesia rhypara var. shellyi Ertter Shelly's mousetailIvesia shockleyi S. Wats. sky mousetailIvesia shockleyi var. shockleyi S. Wats. Shockley's mousetailLuetkea pectinata (Pursh) Kuntze partridgefootMalus fusca (Raf.) Schneid. Oregon crabappleOemleria cerasiformis (Torr. & Gray ex Hook. & Arn.) Landon Indian plumPentaphylloides floribunda (Pursh) A. Love shrubby cinquefoilPeraphyllum ramosissimum Nutt. squaw applePetrophyton caespitosum (Nutt.) Rydb. mat rockspireaPhysocarpus capitatus (Pursh) Kuntze Pacific ninebarkPhysocarpus malvaceus (Greene) Kuntze mallow ninebarkPotentilla anglica Laicharding English cinquefoilPotentilla anserina L. = Argentina anserinaPotentilla arguta Pursh tall cinquefoilPotentilla arguta ssp. convallaria (Rydb.) Keck cream cinquefoilPotentilla biennis Greene biennial cinquefoilPotentilla brevifolia Nutt. ex Torr. & Gray sparseleaf cinquefoilPotentilla diversifolia Lehm. varileaf cinquefoilPotentilla diversifolia var. diversifolia Lehm. varileaf cinquefoilPotentilla drummondii Lehm.

Drummond's cinquefoilPotentilla drummondii ssp. breweri (S. Wats.) ErtterPotentilla flabellifolia Hook. ex Torr. & Gray high mountain cinquefoilPotentilla fruticosa auct. non L. = Pentaphylloides floribundaPotentilla glandulosa Lindl. gland cinquefoilPotentilla glandulosa ssp. ashlandica (Greene) Keck Ashland cinquefoilPotentilla glandulosa ssp. glabrata (Rydb.) Keck sticky cinquefoilPotentilla glandulosa ssp. glandulosa Lindl. sticky cinquefoilPotentilla glandulosa ssp. globosa Keck sticky cinquefoilPotentilla glandulosa ssp. nevadensis (S. Wats.) Keck Nevada cinquefoilPotentilla glandulosa ssp. pseudorupestris (Rydb.) Keck sticky cinquefoilPotentilla glandulosa ssp. reflexa (Greene) Keck sticky cinquefoilPotentilla gracilis Dougl. ex Hook. northwest cinquefoilPotentilla gracilis var. brunnescens (Rydb.) C.L. Hitchc. brownfuz cinquefoilPotentilla gracilis var. fastigiata (Nutt.) S. Wats.Potentilla gracilis var. flabelliformis (Lehm.) Nutt. ex Torr. & GrayPotentilla gracilis var. gracilis Dougl. ex Hook. graceful cinquefoilPotentilla millefolia Rydb. cutleaf cinquefoilPotentilla millefolia var. klamathensis (Rydb.) Jepson Klamath cinquefoilPotentilla newberryi Gray Newberry's cinquefoilPotentilla nivea L. snow cinquefoilPotentilla nivea var. pentaphylla Lehm. fiveleaf cinquefoilPotentilla norvegica L. Norwegian cinquefoilPotentilla ovina Macoun sheep cinquefoilPotentilla ovina var. ovina Macoun


sheep cinquefoilPotentilla pacifica T.J. Howell = Argentina egedii ssp. egediiPotentilla palustris (L.) Scop. = Comarum palustrePotentilla paradoxa Nutt. Paradox cinquefoilPotentilla pensylvanica L. Pennsylvania cinquefoilPotentilla pensylvanica var. strigosa Pallas ex Pursh Pennsylvania cinquefoilPotentilla pulcherrima Lehm. beautiful cinquefoilPotentilla recta L. sulphur cinquefoilPotentilla rivalis Nutt. brook cinquefoilPotentilla rivalis var. millegrana (Engelm. ex Lehm.) S. Wats. brook cinquefoilPotentilla rivalis var. rivalis Nutt. brook cinquefoilPotentilla uniflora Ledeb. oneflower cinquefoilPotentilla villosa Pallas ex Pursh villous cinquefoilPrunus domestica L. European plumPrunus emarginata (Dougl. ex Hook.) Walp. bitter cherryPrunus emarginata var. emarginata (Dougl. ex Hook.) Walp. bitter cherryPrunus emarginata var. mollis (Dougl. ex Hook.) Brewer bitter cherryPrunus laurocerasus L. cherry laurelPrunus melanocarpa (A. Nels.) Rydb. = Prunus virginiana var. melanocarpaPrunus spinosa L. blackthornPrunus subcordata Benth. Klamath plumPrunus subcordata var. kelloggii J.G. Lemmon Kellogg's Klamath plumPrunus subcordata var. oregana (Greene) W. Wight ex M.E. Peck Oregon Klamath plum

Prunus subcordata var. subcordata Benth. Klamath plumPrunus virginiana L. common chokecherryPrunus virginiana var. demissa (Nutt.) Torr. western chokecherryPrunus virginiana var. melanocarpa (A. Nels.) Sarg. black chokecherryPurshia tridentata (Pursh) DC. antelope bitterbrushPyrus communis L. common pearRosa californica Cham. & Schlecht. California wildroseRosa canina L. dog roseRosa eglanteria L. sweetbriar roseRosa gymnocarpa Nutt. dwarf roseRosa gymnocarpa var. gymnocarpa Nutt. wood roseRosa multiflora Thunb. ex Murr. multiflora roseRosa myriadenia Greene glandular roseRosa nutkana K. Presl Nootka roseRosa nutkana var. hispida Fern. bristly Nootka roseRosa nutkana var. muriculata (Greene) G.N. Jones Nootka roseRosa nutkana var. nutkana K. Presl Nootka roseRosa pisocarpa Gray cluster roseRosa spithamea S. Wats. ground roseRosa spithamea var. spithamea S. Wats. ground roseRosa woodsii Lindl. Woods' roseRosa woodsii var. ultramontana (S. Wats.) Jepson Woods' roseRubus arcticus L.


arctic blackberryRubus arcticus ssp. acaulis (Michx.) Focke dwarf raspberryRubus bartonianus M.E. Peck Barton's raspberryRubus discolor Weihe & Nees Himalayan blackberryRubus idaeus L. American red raspberryRubus idaeus ssp. strigosus (Michx.) Focke grayleaf red raspberryRubus illecebrosus Focke strawberry raspberryRubus laciniatus Willd. cutleaf blackberryRubus lasiococcus Gray roughfruit berryRubus leucodermis Dougl. ex Torr. & Gray whitebark raspberryRubus leucodermis var. leucodermis Dougl. ex Torr. & Gray whitebark raspberryRubus nigerrimus (Greene) Rydb. dark raspberryRubus nivalis Dougl. ex Hook. snow raspberryRubus parviflorus Nutt. thimbleberryRubus pedatus Sm. strawberryleaf raspberryRubus pubescens Raf. dwarf red blackberryRubus spectabilis Pursh salmonberryRubus spectabilis var. spectabilis Pursh salmonberryRubus strigosus Michx. = Rubus idaeus ssp. strigosusRubus ursinus Cham. & Schlecht. California blackberryRubus ursinus ssp. macropetalus (Dougl. ex Hook.) Taylor & MacBryde California blackberryRubus ursinus ssp. ursinus Cham. & Schlecht. California blackberryRubus ursinus ssp. ursinus var. ursinus Cham. & Schlecht.

California blackberryRubus vestitus Weihe & Nees European blackberryRubus vitifolius Cham. & Schlecht. Pacific dewberrySanguisorba canadensis L. Canadian burnetSanguisorba microcephala K. Presl = Sanguisorba officinalisSanguisorba minor Scop. small burnetSanguisorba occidentalis Nutt. western burnetSanguisorba officinalis L. official burnetSibbaldia procumbens L. creeping sibbaldiaSorbus scopulina Greene Greene mountainashSorbus scopulina var. cascadensis (G.N. Jones) C.L. Hitchc. Cascade mountainashSorbus scopulina var. scopulina Greene Cascade mountainashSorbus sitchensis M. Roemer western mountainashSorbus sitchensis var. grayi (Wenzig) C.L. Hitchc. Gray's mountainashSorbus sitchensis var. sitchensis M. Roemer Sitka mountainashSpiraea X pyramidata Greene (pro sp.) pyramid spireaSpiraea betulifolia Pallas white spireaSpiraea betulifolia var. lucida (Dougl. ex Greene) C.L. Hitchc. shinyleaf spireaSpiraea discolor Pursh = Holodiscus discolorSpiraea douglasii Hook. Douglas' spireaSpiraea douglasii var. douglasii Hook. rose spireaSpiraea douglasii var. menziesii (Hook.) K. Presl Menzies' spireaSpiraea splendens Baumann ex K. Koch rose meadowsweet


Spiraea splendens var. splendens Baumann ex K. Koch mountain spirea

RUBIACEAEGalium ambiguum W. Wight Yolla Bolly bedstrawGalium ambiguum ssp. ambiguum W. Wight Yolla Bolly bedstrawGalium ambiguum ssp. siskiyouense (Ferris) Dempster & Stebbins Siskiyou bedstrawGalium andrewsii Gray phloxleaf bedstrawGalium andrewsii ssp. andrewsii Gray Andrews' bedstrawGalium aparine L. stickywillyGalium bifolium S. Wats. twinleaf bedstrawGalium bolanderi Gray Bolander's bedstrawGalium boreale L. northern bedstrawGalium californicum Hook. & Arn. California bedstrawGalium divaricatum Pourret ex Lam. Lamarck's bedstrawGalium filipes Rydb. slenderstalk bedstrawGalium glabrescens (Ehrend.) Dempster & Ehrend. Castle Lake bedstrawGalium glabrescens ssp. glabrescens (Ehrend.) Dempster & Ehrend. Castle Lake bedstrawGalium mexicanum Kunth Mexican bedstrawGalium mexicanum ssp. asperulum (Gray) Dempster Mexican bedstrawGalium mollugo L. false baby's breathGalium multiflorum Kellogg shrubby bedstrawGalium muricatum W. Wight Humboldt bedstrawGalium nuttallii Gray climbing bedstraw

Galium nuttallii ssp. nuttallii Gray climbing bedstrawGalium odoratum (L.) Scop. sweetscented bedstrawGalium oreganum Britt. Oregon bedstrawGalium parisiense L. wall bedstrawGalium porrigens Dempster graceful bedstrawGalium porrigens var. porrigens Dempster graceful bedstrawGalium saxatile L. heath bedstrawGalium serpenticum Dempster Intermountain bedstrawGalium serpenticum ssp. warnerense Dempster & Ehrend. Warner bedstrawGalium sylvaticum L. scotchmistGalium tinctorium (L.) Scop. stiff marsh bedstrawGalium tricornutum Dandy roughfruit corn bedstrawGalium trifidum L. threepetal bedstrawGalium trifidum ssp. columbianum (Rydb.) Hulten threepetal bedstrawGalium trifidum ssp. subbiflorum (Wieg.) Piper threepetal bedstrawGalium triflorum Michx. fragrant bedstrawGalium verum L. Yellow Spring bedstrawGalium watsonii (Gray) Heller Watson's bedstrawKelloggia galioides Torr. milk kelloggiaRubia tinctoria L. madderSherardia arvensis L. blue fieldmadder


RUPPIACEAERuppia maritima L. widgeongrass

SALICACEAEPopulus angustifolia James narrowleaf cottonwoodPopulus balsamifera L. balsam poplarPopulus balsamifera ssp. balsamifera L. balsam poplarPopulus balsamifera ssp. trichocarpa (Torr. & Gray ex Hook.) Brayshaw black cottonwoodPopulus candicans Ait. = Populus balsamifera ssp. balsamiferaPopulus tacamahaca P. Mill. = Populus balsamifera ssp. balsamiferaPopulus tremuloides Michx. quaking aspenPopulus trichocarpa Torr. & Gray ex Hook. = Populus balsamifera ssp. trichocarpaSalix X fluviatilis Nutt. river willowSalix amygdaloides Anderss. peachleaf willowSalix arctica R. Br. ex Richards.Salix babylonica L. weeping willowSalix barclayi Anderss. Barclay's willowSalix bebbiana Sarg. Bebb willowSalix bonplandiana Kunth red willowSalix boothii Dorn Booth's willowSalix brachycarpa Nutt. barrenground willowSalix brachycarpa ssp. brachycarpa Nutt. barrenground willowSalix brachycarpa ssp. brachycarpa var. brachycarpa Nutt. barrenground willow

Salix cascadensis Cockerell cascade willowSalix commutata Bebb undergreen willowSalix delnortensis Schneid. Del Norte willowSalix drummondiana Barratt ex Hook. Drummond's willowSalix eastwoodiae Cockerell ex Heller mountain willowSalix farriae Ball Farr's willowSalix geyeriana Anderss. Geyer's willowSalix hookeriana Barratt ex Hook. dune willowSalix lasiolepis Benth. arroyo willowSalix lasiolepis var. lasiolepis Benth. Tracy willowSalix lemmonii Bebb Lemmon's willowSalix ligulifolia (Ball) Ball ex Schneid. strapleaf willowSalix lucida Muhl. shining willowSalix lucida ssp. caudata (Nutt.) E. Murr. greenleaf willowSalix lucida ssp. lasiandra (Benth.) E. Murr. Pacific willowSalix lutea Nutt. yellow willowSalix melanopsis Nutt. dusky willowSalix monochroma Ball onecolor willowSalix orestera Schneid. Sierra willowSalix pedicellaris Pursh bog willowSalix planifolia Pursh diamondleaf willowSalix planifolia ssp. planifolia Pursh tealeaf willowSalix prolixa Anderss.


MacKenzie's willowSalix reticulata L. netleaf willowSalix reticulata ssp. nivalis (Hook.) A.& D. Love & Kapoor snow willowSalix scouleriana Barratt ex Hook. Scouler's willowSalix sessilifolia Nutt. northwest sandbar willowSalix sitchensis Sanson ex Bong. Sitka willowSalix vestita Pursh rock willowSalix wolfii Bebb Wolf's willow

SANTALACEAEComandra pallida A. DC. = Comandra umbellata ssp. pallidaComandra umbellata (L.) Nutt. bastard toadflaxComandra umbellata ssp. californica (Eastw. ex Rydb.) Piehl California bastard toadflaxComandra umbellata ssp. pallida (A. DC.) Piehl pale bastard toadflaxComandra umbellata ssp. umbellata (L.) Nutt. bastard toadflax

SARRACENIACEAEDarlingtonia californica Torr. California pitcherplant

SAURURACEAEAnemopsis californica (Nutt.) Hook. & Arn. yerba mansa

SAXIFRAGACEAEBensoniella oregana (Abrams & Bacig.) Morton Oregon bensoniellaBolandra oregana S. Wats. northern false coolwortBoykinia intermedia (Piper) G.N. Jones Sierran brookfoam

Boykinia major Gray large boykiniaBoykinia occidentalis Torr. & Gray coastal brookfoamChrysosplenium glechomifolium Nutt. Pacific golden saxifrageDarmera peltata (Torr. ex Benth.) Voss Indian rhubarbElmera racemosa (S. Wats.) Rydb. yellow coralbellsElmera racemosa var. puberulenta C.L. Hitchc. yellow coralbellsHeuchera X cuneata T.J. Howell (pro sp.) alumrootHeuchera chlorantha Piper tall alumrootHeuchera cylindrica Dougl. ex Hook. roundleaf alumrootHeuchera cylindrica var. alpina Sw. alpine alumrootHeuchera cylindrica var. cylindrica Dougl. ex Hook. roundleaf alumrootHeuchera cylindrica var. glabella (Torr. & Gray) Wheelock beautiful alumrootHeuchera cylindrica var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile poker alumrootHeuchera glabra Willd. ex Roemer & J.A. Schultes alpine heucheraHeuchera grossulariifolia Rydb. gooseberryleaf alumrootHeuchera grossulariifolia var. grossulariifolia Rydb. gooseberryleaf alumrootHeuchera grossulariifolia var. tenuifolia (Wheelock) C.L. Hitchc. gooseberryleaf alumrootHeuchera merriamii Eastw. Merriam's alumrootHeuchera micrantha Dougl. ex Lindl. crevice alumrootHeuchera micrantha var. erubescens (A. Braun & Boucho) Rosendahl crevice alumrootHeuchera micrantha var. hartwegii (S. Wats. ex Wheelock) Rosendahl Hartweg's alumroot


Heuchera micrantha var. micrantha Dougl. ex Lindl. crevice alumrootHeuchera micrantha var. pacifica Rosendahl, Butters & Lakela Pacific alumrootHeuchera pilosissima Fisch. & C.A. Mey. seaside alumrootHeuchera pilosissima var. pilosissima Fisch. & C.A. Mey. seaside alumrootHeuchera rubescens Torr. pink alumrootHeuchera rubescens var. truncata Rosendahl, Butters & Lakela pink alumrootLeptarrhena pyrolifolia (D. Don) R. Br. ex Ser. fireleaf leptarrhenaLithophragma affine Gray common woodlandstarLithophragma affine ssp. affine Gray San Francisco woodlandstarLithophragma campanulatum T.J. Howell Siskiyou Mountain woodlandstarLithophragma glabrum Nutt. bulbous woodlandstarLithophragma parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstarLithophragma parviflorum var. parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstarLithophragma tenellum Nutt. slender woodlandstarMitella breweri Gray Brewer's miterwortMitella caulescens Nutt. slightstemmed miterwortMitella diversifolia Greene angleleaf miterwortMitella ovalis Greene coastal miterwortMitella pentandra Hook. fivestamen miterwortMitella stauropetala Piper smallflower miterwortMitella stauropetala var. stauropetala Piper smallflower miterwortMitella trifida Graham threeparted miterwort

Mitella trifida var. trifida Graham threeparted miterwortParnassia californica (Gray) Greene California grass of ParnassusParnassia fimbriata Koenig Rocky Mountain parnassiaParnassia fimbriata var. fimbriata Koenig fringed grass of ParnassusParnassia fimbriata var. hoodiana C.L. Hitchc. fringed grass of ParnassusParnassia fimbriata var. intermedia (Rydb.) C.L. Hitchc. intermediate parnassiaSaxifraga adscendens L. wedgeleaf saxifrageSaxifraga adscendens ssp. oregonensis (Raf.) Bacig. small saxifrageSaxifraga aprica Greene Sierran saxifrageSaxifraga bronchialis L. yellowdot saxifrageSaxifraga bronchialis ssp. austromontana (Wieg.) Piper matted saxifrageSaxifraga bronchialis ssp. vespertina (Small) Piper yellowdot saxifrageSaxifraga californica Greene California saxifrageSaxifraga cespitosa L. tufted alpine saxifrageSaxifraga cespitosa ssp. cespitosa L. tufted alpine saxifrageSaxifraga cespitosa ssp. subgemmifera Engl. & Irmsch. tufted alpine saxifrageSaxifraga ferruginea Graham rustyhair saxifrageSaxifraga ferruginea var. ferruginea Graham rustyhair saxifrageSaxifraga ferruginea var. vreelandii (Small) Engl. & Irmsch. Vreeland's saxifrageSaxifraga gormanii Suksdorf Gorman's saxifrageSaxifraga hitchcockiana Elvander Saddle Mountain saxifrageSaxifraga howellii Greene Howell's saxifrageSaxifraga idahoensis Piper


Idaho saxifrageSaxifraga integrifolia Hook. wholeleaf saxifrageSaxifraga marshallii Greene Marshall's saxifrageSaxifraga mertensiana Bong. wood saxifrageSaxifraga nelsoniana D. Don heartleaf saxifrageSaxifraga nelsoniana ssp. cascadensis (Calder & Savile) Hulten cascade saxifrageSaxifraga nelsoniana ssp. nelsoniana D. Don brook saxifrageSaxifraga nidifica Greene peak saxifrageSaxifraga nidifica var. claytoniifolia (Canby ex Small) Elvander peak saxifrageSaxifraga nidifica var. nidifica Greene peak saxifrageSaxifraga nuttallii Small Nuttall's saxifrageSaxifraga occidentalis S. Wats. Alberta saxifrageSaxifraga odontoloma Piper brook saxifrageSaxifraga oppositifolia L. purple mountain saxifrageSaxifraga oregana T.J. Howell Oregon saxifrageSaxifraga rivularis L. weak saxifrageSaxifraga rufidula (Small) Macoun rustyhair saxifrageSaxifraga sibthorpii Boiss. yellow saxifrageSaxifraga stolonifera Meerb. creeping saxifrageSaxifraga tolmiei Torr. & Gray Tolmie's saxifrageSaxifragopsis fragarioides (Greene) Small strawberry saxifrageSuksdorfia ranunculifolia (Hook.) Engl. buttercup suksdorfiaSuksdorfia violacea Gray violet suksdorfia

Sullivantia Torr. & Gray ex Gray sullivantiaSullivantia oregana S. Wats. Oregon coolwortTellima grandiflora (Pursh) Dougl. ex Lindl. bigflower tellimaTiarella trifoliata L. threeleaf foamflowerTiarella trifoliata var. trifoliata L. threeleaf foamflowerTiarella trifoliata var. unifoliata (Hook.) Kurtz oneleaf foamflowerTolmiea menziesii (Pursh) Torr. & Gray youth on age

SCROPHULARIACEAEAntirrhinum majus L. garden snapdragonBesseya rubra (Dougl. ex Hook.) Rydb. red besseyaCastilleja Mutis ex L. f. Indian paintbrushCastilleja affinis Hook. & Arn. Indian paintbrushCastilleja affinis ssp. litoralis (Pennell) Chuang & HeckardCastilleja ambigua Hook. & Arn. ambiguous Indian paintbrushCastilleja ambigua ssp. ambigua Hook. & Arn. ambiguous Indian paintbrushCastilleja angustifolia (Nutt.) G. Don northwestern Indian paintbrushCastilleja angustifolia var. angustifolia (Nutt.) G. Don northwestern Indian paintbrushCastilleja applegatei Fern. wavyleaf Indian paintbrushCastilleja applegatei ssp. martinii (Abrams) Chuang & HeckardCastilleja applegatei ssp. pinetorum (Fern.) Chuang & HeckardCastilleja applegatei var. applegatei Fern. Applegate's Indian paintbrushCastilleja arachnoidea Greenm. cobwebby Indian paintbrushCastilleja arachnoidea ssp. arachnoidea Greenm. cobwebby Indian paintbrushCastilleja attenuata (Gray) Chuang & Heckard


attenuate Indian paintbrushCastilleja campestris (Benth.) Chuang & Heckard Indian paintbrushCastilleja campestris ssp. campestris (Benth.) Chuang & Heckard Indian paintbrushCastilleja chlorotica Piper greentinge Indian paintbrushCastilleja chrysantha Greenm. yellow Indian paintbrushCastilleja cusickii Greenm. Cusick's Indian paintbrushCastilleja flava S. Wats. yellow Indian paintbrushCastilleja flava var. rustica (Piper) N. Holmgren country Indian paintbrushCastilleja fraterna Greenm. fraternal Indian paintbrushCastilleja glandulifera Pennell gland Indian paintbrushCastilleja hispida Benth. harsh Indian paintbrushCastilleja hispida ssp. acuta Pennell acute Indian paintbrushCastilleja hispida ssp. brevilobata (Piper) Chuang & HeckardCastilleja hispida ssp. hispida Benth. harsh Indian paintbrushCastilleja lacera (Benth.) Chuang & Heckard Indian paintbrushCastilleja levisecta Greenm. golden Indian paintbrushCastilleja linariifolia Benth. Wyoming Indian paintbrushCastilleja lutescens (Greenm.) Rydb. yellow Indian paintbrushCastilleja martinii var. martinii Abrams Martin's Indian paintbrushCastilleja miniata Dougl. ex Hook. scarlet Indian paintbrushCastilleja miniata ssp. dixonii (Fern.) Kartesz, comb. nov. ined.Castilleja miniata ssp. elata (Piper) MunzCastilleja miniata var. miniata Dougl. ex Hook. green Indian paintbrushCastilleja minor (Gray) Gray lesser Indian paintbrushCastilleja minor ssp. minor (Gray) Gray

Castilleja oresbia Greenm. Wallowa Indian paintbrushCastilleja pallescens (Gray) Greenm. pale Indian paintbrushCastilleja pallescens var. inverta (A. Nels. & J.F. Macbr.) Edwin pale Indian paintbrushCastilleja parviflora Bong. mountain Indian paintbrushCastilleja parviflora var. oreopola (Greenm.) Ownbey Henry Indian paintbrushCastilleja peckiana Pennell Peck's Indian paintbrushCastilleja pilosa (S. Wats.) Rydb. parrothead Indian paintbrushCastilleja pilosa var. pilosa (S. Wats.) Rydb. parrothead Indian paintbrushCastilleja pilosa var. steenensis (Pennell) N. Holmgren Steenes Indian paintbrushCastilleja pruinosa Fern. frosted Indian paintbrushCastilleja rhexiifolia Rydb. splitleaf Indian paintbrushCastilleja rubicundula (Jepson) Chuang & Heckard Indian paintbrushCastilleja rubicundula ssp. lithospermoides (Benth.) Chuang & Heckard Indian paintbrushCastilleja rubida Piper little reddish Indian paintbrushCastilleja rupicola Piper ex Fern. cliff Indian paintbrushCastilleja schizotricha Greenm. splithair Indian paintbrushCastilleja suksdorfii Gray Suksdorf's Indian paintbrushCastilleja tenuis (Heller) Chuang & Heckard Indian paintbrushCastilleja thompsonii Pennell Thompson's Indian paintbrushCastilleja viscidula Gray sticky Indian paintbrushCastilleja wallowensis Pennell Wallowa Indian paintbrushCastilleja xanthotricha Pennell yellowhair Indian paintbrush


Collinsia grandiflora Lindl.Collinsia linearis Gray narrowleaf blue eyed MaryCollinsia parviflora Lindl. smallflower blue eyed MaryCollinsia parviflora var. parviflora Lindl. smallflower blue eyed MaryCollinsia rattanii Gray sticky blue eyed MaryCollinsia rattanii ssp. glandulosa (T.J. Howell) Pennell sticky blue eyed MaryCollinsia rattanii ssp. rattanii Gray Rattan's blue eyed MaryCollinsia sparsiflora Fisch. & C.A. Mey. spinster's blue eyed MaryCollinsia sparsiflora var. bruceae (M.E. Jones) Newsom spinster's blue eyed MaryCollinsia torreyi Gray Torrey's blue eyed MaryCollinsia torreyi var. latifolia Newsom Torrey's blue eyed MaryCordylanthus capitatus Nutt. ex Benth. Yakima bird's beakCordylanthus maritimus Nutt. ex Benth. saltmarsh bird's beakCordylanthus maritimus ssp. canescens (Gray) Chuang & Heckard saltmarsh bird's beakCordylanthus maritimus ssp. maritimus Nutt. ex Benth. saltmarsh bird's beakCordylanthus maritimus ssp. palustris (Behr) Chuang & Heckard saltmarsh bird's beakCordylanthus ramosus Nutt. ex Benth. bushy bird's beakCordylanthus tenuis Gray slender bird's beakCordylanthus tenuis ssp. tenuis Gray slender bird's beakCordylanthus tenuis ssp. viscidus (T.J. Howell) Chuang & Heckard slender bird's beakCymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. Kenilworth ivyDigitalis purpurea L. purple foxgloveDigitalis purpurea var. purpurea L. purple foxglove

Diplacus aurantiacus (W. Curtis) Jepson orange bush monkeyflowerDiplacus aurantiacus ssp. aurantiacus (W. Curtis) JepsonEuphrasia officinalis L. = Euphrasia strictaEuphrasia stricta D. Wolff ex J.F. Lehm. drug eyebrightGratiola ebracteata Benth. ex A. DC. bractless hedgehyssopGratiola heterosepala Mason & Bacig. Boggs Lake hedgehyssopGratiola neglecta Torr. clammy hedgehyssopKeckiella lemmonii (Gray) Straw Lemmon's penstemonKickxia elatine (L.) Dumort. sharpleaf cancerwortKickxia spuria (L.) Dumort. roundleaf cancerwortLimosella aquatica L. water mudwortLimosella australis R. Br. Welsh mudwortLinaria canadensis (L.) Chaz. = Nuttallanthus canadensisLinaria dalmatica (L.) P. Mill. Dalmatian toadflaxLinaria dalmatica ssp. macedonica (Griseb.) D.A. Sutton Dalmatian toadflaxLinaria genistifolia (L.) P. Mill. broomleaf toadflaxLinaria supina (L.) Chaz. lesser butter and eggsLinaria texana Scheele = Nuttallanthus texanusLinaria vulgaris P. Mill. butter and eggsLindernia dubia (L.) Pennell moistbank pimpernelLindernia dubia var. anagallidea (Michx.) Cooperrider yellowseed false pimpernelLindernia dubia var. dubia (L.) Pennell yellowseed false pimpernelMazus pumilus (Burm. f.) Steenis Japanese mazus


Mimetanthe pilosa (Benth.) Greene false monkeyflowerMimulus alsinoides Dougl. ex Benth. wingstem monkeyflowerMimulus breviflorus Piper shortflower monkeyflowerMimulus breweri (Greene) Coville Brewer's monkeyflowerMimulus cardinalis Dougl. ex Benth. crimson monkeyflowerMimulus clivicola Greenm. North Idaho monkeyflowerMimulus cusickii (Greene) Rattan Cusick's monkeyflowerMimulus dentatus Nutt. ex Benth. coastal monkeyflowerMimulus douglasii (Benth.) Gray browniesMimulus floribundus Lindl. manyflowered monkeyflowerMimulus guttatus DC. seep monkeyflowerMimulus hymenophyllus Meinke thinsepal monkeyflowerMimulus jepsonii A.L. Grant Jepson's monkeyflowerMimulus jungermannioides Suksdorf liverwort monkeyflowerMimulus kelloggii (Curran ex Greene) Curran ex Gray Kellogg's monkeyflowerMimulus latidens (Gray) Greene broadtooth monkeyflowerMimulus lewisii Pursh purple monkeyflowerMimulus moschatus Dougl. ex Lindl. musk monkeyflowerMimulus moschatus var. moschatus Dougl. ex Lindl. muskflowerMimulus moschatus var. sessilifolius Gray muskflowerMimulus nanus Hook. & Arn. dwarf purple monkeyflowerMimulus nanus ssp. cascadensis Ezell, ssp. nov. ined. dwarf purple monkeyflowerMimulus nanus ssp. nanus Hook. & Arn.

dwarf purple monkeyflowerMimulus primuloides Benth. primrose monkeyflowerMimulus primuloides var. primuloides Benth. primrose monkeyflowerMimulus pulsiferae Gray candelabrum monkeyflowerMimulus pygmaeus A.L. Grant Egg Lake monkeyflowerMimulus suksdorfii Gray Suksdorf's monkeyflowerMimulus tilingii Regel Tiling's monkeyflowerMimulus tilingii var. caespitosus (Greene) A.L. Grant subalpine monkeyflowerMimulus tilingii var. tilingii Regel Tiling's monkeyflowerMimulus tricolor Hartw. ex Lindl. tricolor monkeyflowerMimulus washingtonensis Gandog. Washington monkeyflowerMisopates orontium (L.) Raf. linearleaf snapdragonNeogaerrhinum filipes (Gray) Rothm. Filipes snapdragonNothochelone nemorosa (Dougl. ex Lindl.) Straw woodland beardtongueNuttallanthus canadensis (L.) D.A. Sutton Canada toadflaxNuttallanthus texanus (Scheele) D.A. Sutton Texas toadflaxOrthocarpus bracteosus Benth. rosy owlcloverOrthocarpus castillejoides var. castillejoides Benth. johnnynipOrthocarpus cuspidatus Greene Siskiyou Mountain owlcloverOrthocarpus cuspidatus ssp. copelandii (Eastw.) Chuang & Heckard Copeland's owlcloverOrthocarpus faucibarbatus var. faucibarbatus Gray bearded owlcloverOrthocarpus imbricatus Torr. ex S. Wats. mountain owlcloverOrthocarpus lithospermoides var. lithospermoides Benth. creamsacs


Orthocarpus luteus Nutt. yellow owlcloverOrthocarpus tenuifolius (Pursh) Benth. thinleaved owlcloverParentucellia viscosa (L.) Caruel yellow glandweedPedicularis attollens Gray attol lousewortPedicularis attollens ssp. attollens Gray attoll lousewortPedicularis attollens ssp. protogyna Pennell little elephantsheadPedicularis bracteosa Benth. bracted lousewortPedicularis bracteosa var. bracteosa Benth. bracted lousewortPedicularis bracteosa var. flavida (Pennell) Cronq. towering lousewortPedicularis bracteosa var. pachyrhiza (Pennell) Cronq. towering lousewortPedicularis centranthera Gray dwarf lousewortPedicularis contorta Benth. coiled lousewortPedicularis densiflora Benth. ex Hook. Indian warriorPedicularis groenlandica Retz. elephanthead lousewortPedicularis groenlandica ssp. surrecta (Benth.) Piper Greenland lousewortPedicularis howellii Gray Howell's lousewortPedicularis parviflora Sm. ex Rees smallflower lousewortPedicularis racemosa Dougl. ex Benth. sickletop lousewortPedicularis racemosa ssp. alba Pennell sickletop lousewortPedicularis racemosa ssp. racemosa Dougl. ex Benth. sickletop lousewortPedicularis semibarbata Gray bearded lousewortPedicularis semibarbata var. semibarbata Gray pinewoods lousewortPenstemon acuminatus Dougl. ex Lindl.

sharpleaf penstemonPenstemon acuminatus var. acuminatus Dougl. ex Lindl. sharpleaf penstemonPenstemon acuminatus var. latebracteatus N. Holmgren sharpleaf penstemonPenstemon anguineus Eastw. Siskiyou beardtonguePenstemon attenuatus Dougl. ex Lindl. sulphur penstemonPenstemon attenuatus var. attenuatus Dougl. ex Lindl. sulphur penstemonPenstemon attenuatus var. palustris (Pennell) Cronq. sulphur beardtonguePenstemon azureus Benth. azure penstemonPenstemon azureus ssp. azureus Benth. shortstalk penstemonPenstemon barrettiae Gray Barrett's beardtonguePenstemon cardwellii T.J. Howell Cardwell's beardtonguePenstemon cinicola Keck ash penstemonPenstemon confertus Dougl. ex Lindl. yellow penstemonPenstemon cusickii Gray Cusick's beardtonguePenstemon davidsonii Greene Davidson's penstemonPenstemon davidsonii var. davidsonii Greene Davidson's penstemonPenstemon davidsonii var. menziesii (Keck) Cronq. Menzies' penstemonPenstemon davidsonii var. praeteritus Cronq. timberline beardtonguePenstemon deustus Dougl. ex Lindl. scabland penstemonPenstemon deustus var. deustus Dougl. ex Lindl. hotrock beardtonguePenstemon deustus var. pedicellatus M.E. Jones hotrock beardtonguePenstemon deustus var. variabilis (Suksdorf) Cronq. hotrock beardtonguePenstemon elegantulus Pennell rockvine penstemon


Penstemon eriantherus Pursh fuzzytongue penstemonPenstemon eriantherus var. argillosus M.E. Jones fuzzytongue penstemonPenstemon eriantherus var. redactus Pennell & Keck longsac penstemonPenstemon euglaucus English glaucous beardtonguePenstemon fruticosus (Pursh) Greene bush penstemonPenstemon fruticosus var. fruticosus (Pursh) Greene shrubby penstemonPenstemon fruticosus var. serratus (Keck) Cronq. sawleaf bush penstemonPenstemon gairdneri Hook. Gairdner's beardtonguePenstemon gairdneri var. gairdneri Hook. Gairdner's beardtonguePenstemon gairdneri var. oreganus Gray Gairdner's beardtonguePenstemon glandulosus Dougl. stickystem penstemonPenstemon glandulosus var. glandulosus Dougl. stickystem penstemonPenstemon glaucinus Pennell blueleaf beardtonguePenstemon globosus (Piper) Pennell & Keck globe penstemonPenstemon gracilentus Gray slender penstemonPenstemon humilis Nutt. ex Gray low penstemonPenstemon humilis ssp. humilis Nutt. ex Gray low beardtonguePenstemon janishiae N. Holmgren Antelope Valley beardtonguePenstemon kingii S. Wats. King's beardtonguePenstemon laetus Gray mountain blue penstemonPenstemon laetus ssp. roezlii (Regel) Keck Roezl's penstemonPenstemon laetus ssp. sagittatus Keck western gray beardtonguePenstemon miser Gray

Malheur penstemonPenstemon newberryi Gray mountainpride penstemonPenstemon newberryi ssp. berryi (Eastw.) Keck Berry's penstemonPenstemon ovatus Dougl. ex Hook. eggleaf beardtonguePenstemon payettensis A. Nels. & J.F. Macbr. Payette beardtonguePenstemon peckii Pennell Peck's beardtonguePenstemon pennellianus Keck Blue Mountain beardtonguePenstemon perpulcher A. Nels. Minidoka beardtonguePenstemon pratensis Greene western whiteflower beardtonguePenstemon procerus Dougl. ex Graham littleflower penstemonPenstemon procerus var. brachyanthus (Pennell) Cronq. pincushion beardtonguePenstemon procerus var. formosus (A. Nels.) Cronq. pincushion beardtonguePenstemon procerus var. procerus Dougl. ex Graham pincushion beardtonguePenstemon rattanii Gray Rattan's beardtonguePenstemon rattanii ssp. rattanii Gray Rattan's beardtonguePenstemon richardsonii Dougl. ex Lindl. cutleaf beardtonguePenstemon richardsonii var. curtiflorus (Keck) Cronq. cutleaf beardtonguePenstemon richardsonii var. dentatus (Keck) Cronq. cutleaf beardtonguePenstemon richardsonii var. richardsonii Dougl. ex Lindl. Richardson's penstemonPenstemon rupicola (Piper) T.J. Howell cliff beardtonguePenstemon rydbergii A. Nels. Rydberg's penstemonPenstemon rydbergii var. aggregatus (Pennell) N. Holmgren meadow beardtonguePenstemon rydbergii var. oreocharis (Greene) N. Holmgren herbaceous penstemon


Penstemon rydbergii var. rydbergii A. Nels. swollen penstemonPenstemon seorsus (A. Nels.) Keck shortlobe penstemonPenstemon serrulatus Menzies ex Sm. serrulate penstemonPenstemon spatulatus Pennell Wallowa beardtonguePenstemon speciosus Dougl. ex Lindl. royal penstemonPenstemon subserratus Pennell finetooth beardtonguePenstemon triphyllus Dougl. ex Lindl. Riggin's penstemonPenstemon venustus Dougl. ex Lindl. Venus penstemonPenstemon wilcoxii Rydb. Wilcox's penstemonRhinanthus minor L. little yellowrattleRhinanthus minor ssp. groenlandicus (Ostenf.) L. Neum. arctic rattleboxSairocarpus breweri (Gray) D.A. Sutton Brewer's snapdragonSairocarpus kingii (S. Wats.) D.A. Sutton King's snapdragonScrophularia lanceolata Pursh lanceleaf figwortScrophularia oregana Pennell Oregon figwortSynthyris missurica (Raf.) Pennell tailed kittenstailsSynthyris missurica ssp. hirsuta Pennell western mountain kittenstailsSynthyris missurica ssp. missurica (Raf.) Pennell tailed kittenstailsSynthyris missurica ssp. stellata (Pennell) Kartesz & Gandhi western mountain kittenstailsSynthyris reniformis (Dougl. ex Benth.) Benth. snowqueenSynthyris reniformis var. cordata Gray snowqueenSynthyris schizantha Piper fringepetal kittenstailsTonella floribunda Gray

manyflower tonellaTonella tenella (Benth.) Heller lesser baby innocenceTriphysaria eriantha (Benth.) Chuang & Heckard triphysariaTriphysaria eriantha ssp. eriantha (Benth.) Chuang & Heckard triphysariaTriphysaria eriantha ssp. rosea (Gray) Chuang & Heckard triphysariaTriphysaria pusilla (Benth.) Chuang & Heckard triphysariaTriphysaria versicolor Fisch. & C.A. Mey. triphysariaTriphysaria versicolor ssp. faucibarbatus (Gray) Chuang & Heckard triphysariaTriphysaria versicolor ssp. versicolor Fisch. & C.A. Mey. triphysariaVerbascum blattaria L. moth mulleinVerbascum phlomoides L. orange mulleinVerbascum speciosum Schrad. showy mulleinVerbascum thapsus L. common mulleinVeronica alpina L. alpine speedwellVeronica americana Schwein. ex Benth. American speedwellVeronica anagallis-aquatica L. water speedwellVeronica arvensis L. corn speedwellVeronica chamaedrys L. germander speedwellVeronica cusickii Gray Cusick's speedwellVeronica filiformis Sm. threadstalk speedwellVeronica longifolia L. longleaf speedwellVeronica officinalis L. common gypsyweedVeronica officinalis var. officinalis L. common gypsyweed


Veronica officinalis var. tournefortii (Vill.) Reichenb. common gypsyweedVeronica peregrina L. neckweedVeronica peregrina ssp. peregrina L. neckweedVeronica peregrina ssp. xalapensis (Kunth) Pennell hairy purslane speedwellVeronica persica Poir. birdeye speedwellVeronica scutellata L. skullcap speedwellVeronica serpyllifolia L. thymeleaf speedwellVeronica serpyllifolia ssp. humifusa (Dickson) Syme brightblue speedwellVeronica serpyllifolia ssp. serpyllifolia L. thymeleaf speedwellVeronica wormskjoldii Roemer & J.A. Schultes American alpine speedwell

SELAGINELLACEAESelaginella densa Rydb. lesser spikemossSelaginella densa var. scopulorum (Maxon) R. Tryon Rocky Mountain spikemossSelaginella douglasii (Hook. & Grev.) Spring Douglas' spikemossSelaginella oregana D.C. Eat. Oregon spikemossSelaginella wallacei Hieron. Wallace's spikemossSelaginella watsonii Underwood Watson's spikemoss

SMILACACEAESmilax californica (A. DC.) Gray California greenbrier

SOLANACEAEAtropa bella-donna L. belladonna

Chamaesaracha nana (Gray) Gray = Leucophysalis nanaDatura stramonium L. jimsonweedDatura stramonium var. tatula (L.) Torr. = Datura stramoniumDatura tatula L. = Datura stramoniumHyoscyamus niger L. black henbaneLeucophysalis nana (Gray) Averett dwarf chamaesarachaLycium barbarum L. matrimonyvineLycopersicon esculentum P. Mill. garden tomatoNicotiana acuminata (Graham) Hook. manyflower tobaccoNicotiana acuminata var. multiflora (Phil.) Reiche manyflower tobaccoNicotiana attenuata Torr. ex S. Wats. coyote tobaccoNicotiana quadrivalvis Pursh Indian tobaccoNicotiana quadrivalvis var. bigelovii (Torr.) DeWolf Bigelow's tobaccoNicotiana rustica L. Aztec tobaccoPhysalis longifolia Nutt. longleaf groundcherryPhysalis longifolia var. longifolia Nutt. longleaf groundcherryPhysalis longifolia var. subglabrata (Mackenzie & Bush) Cronq. longleaf groundcherryPhysalis philadelphica Lam. Mexican groundcherryPhysalis philadelphica var. immaculata Waterfall Mexican groundcherryPhysalis pruinosa L. strawberry tomatoSolanum americanum P. Mill. American black nightshadeSolanum carolinense L. Carolina horsenettleSolanum carolinense var. carolinense L.


Carolina horsenettleSolanum dulcamara L. climbing nightshadeSolanum furcatum Dunal ex Poir. forked nightshadeSolanum nigrum L. black nightshadeSolanum parishii Heller Parish's nightshadeSolanum physalifolium Rusby hoe nightshadeSolanum rostratum Dunal buffalobur nightshadeSolanum sisymbriifolium Lam. sticky nightshadeSolanum triflorum Nutt. cutleaf nightshadeSolanum umbelliferum Eschsch. bluewitch nightshadeSolanum xanti Gray purple nightshadeSolanum xanti var. xanti Gray Xant's nightshade

TAMARICACEAETamarix parviflora DC. smallflower tamarisk

TAXACEAETaxus brevifolia Nutt. Pacific yew

TAXODIACEAESequoia sempervirens (Lamb. ex D. Don) Endl. redwood

THELYPTERIDACEAEPhegopteris connectilis (Michx.) Watt long beechfernThelypteris nevadensis (Baker) Clute ex Morton Sierran marsh fern

TILIACEAETilia X vulgaris Hayne (pro sp.) common linden

ULMACEAECeltis laevigata Willd. sugarberryCeltis laevigata var. reticulata (Torr.) L. Benson netleaf hackberry

UMBELLIFERAEAmmi majus L. large bullwortAmmi visnaga (L.) Lam. khellaAnethum graveolens L. dillAngelica arguta Nutt. Lyall's angelicaAngelica canbyi Coult. & Rose Canby's angelicaAngelica genuflexa Nutt. kneeling angelicaAngelica hendersonii Coult. & Rose beach angelicaAngelica lucida L. wild celeryAngelica tomentosa S. Wats. woolly angelicaAngelica tomentosa var. tomentosa S. Wats. woolly angelicaAnthriscus caucalis Bieb. burr chervilAnthriscus cerefolium (L.) Hoffmann garden chervilApium graveolens L. wild celeryBerula erecta (Huds.) Coville cutleaf waterparsnipBowlesia incana Ruiz & Pavon hoary bowlesiaBupleurum americanum Coult. & Rose American bupleurum


Bupleurum odontites L. narrowleaf thorow waxCentella asiatica (L.) Urban (?) spadeleafCiclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson marsh parsleyCicuta douglasii (DC.) Coult. & Rose western water hemlockCicuta maculata var. californica (Gray) Boivin = Cicuta douglasiiCnidium monnieri (L.) Cusson ex Juss. Monnier's snowparsleyConioselinum gmelinii (Cham. & Schlecht.) Steud. Pacific hemlockparsleyConioselinum scopulorum (Gray) Coult. & Rose Rocky Mountain hemlockparsleyConium maculatum L. poison hemlockCoriandrum sativum L. Chinese parsleyCymopterus acaulis (Pursh) Raf. plains springparsleyCymopterus acaulis var. acaulis (Pursh) Raf. plains springparsleyCymopterus acaulis var. greeleyorum J. Grimes & Packard Greeley springparsleyCymopterus corrugatus M.E. Jones wrinklewing springparsleyCymopterus ibapensis M.E. Jones Ibapah springparsleyCymopterus nivalis S. Wats. snowline springparsleyCymopterus purpurascens (Gray) M.E. Jones widewing springparsleyCymopterus terebinthinus (Hook.) Torr. & Gray = Pteryxia terebinthina var. terebinthinaDaucus carota L. Queen Anne's laceDaucus pusillus Michx. American wild carrotEryngium alismifolium Greene Modoc eryngoEryngium articulatum Hook. beethistleEryngium petiolatum Hook.

rushleaf eryngoEryngium planum L. plains eryngoFoeniculum vulgare P. Mill. sweet fennelGlehnia littoralis F. Schmidt ex Miq. American silvertopGlehnia littoralis ssp. leiocarpa (Mathias) Hulten American silvertopHeracleum lanatum Michx. = Heracleum maximumHeracleum maximum Bartr. common cowparsnipHeracleum sphondylium = Heracleum maximumHydrocotyle asiatica L. = Centella asiaticaHydrocotyle ranunculoides L. f. floating marshpennywortHydrocotyle umbellata L. manyflower marshpennywortHydrocotyle verticillata Thunb. whorled marshpennywortLeptotaenia dissecta Nutt. = Lomatium dissectum var. dissectumLeptotaenia multifida Nutt. = Lomatium dissectum var. multifidumLigusticum apiifolium (Nutt. ex Torr. & Gray) Gray celeryleaf licoricerootLigusticum canbyi Coult. & Rose Canby's licoricerootLigusticum filicinum S. Wats. fernleaf licoricerootLigusticum grayi Coult. & Rose Gray's licoricerootLigusticum tenuifolium S. Wats. Idaho licoricerootLilaeopsis occidentalis Coult. & Rose western grasswortLomatium ambiguum (Nutt.) Coult. & Rose Wyeth biscuitrootLomatium bicolor (S. Wats.) Coult. & Rose Wasatch desertparsleyLomatium bicolor var. leptocarpum (Torr. & Gray) Schlessman Wasatch desertparsley


Lomatium bradshawii (Rose ex Mathias) Mathias & Constance Bradshaw's desertparsleyLomatium californicum (Nutt.) Mathias & Constance California lomatiumLomatium canbyi (Coult. & Rose) Coult. & Rose Canby's biscuitrootLomatium columbianum Mathias & Constance purple leptotaeniaLomatium cookii J.S. Kagan agate desertparsleyLomatium cous (S. Wats.) Coult. & Rose cous biscuitrootLomatium cusickii (S. Wats.) Coult. & Rose Cusick's biscuitrootLomatium dissectum (Nutt.) Mathias & Constance fernleaf buscuitrootLomatium dissectum var. dissectum (Nutt.) Mathias & Constance fernleaf biscuitrootLomatium dissectum var. multifidum (Nutt.) Mathias & Constance carrotleaf biscuitrootLomatium donnellii (Coult. & Rose) Coult. & Rose Donnell's biscuitrootLomatium engelmannii Mathias Engelmann's desertparsleyLomatium erythrocarpum Meinke & Constance redfruit desertparsleyLomatium farinosum (Hook.) Coult. & Rose northern biscuitrootLomatium farinosum var. hambleniae (Mathias & Constance) Schlessman Hamblen's biscuitrootLomatium foeniculaceum (Nutt.) Coult. & Rose desert biscuitrootLomatium foeniculaceum ssp. macdougalii (Coult. & Rose) Theobald Macdougal's biscuitrootLomatium gormanii (T.J. Howell) Coult. & Rose Gorman's biscuitrootLomatium grayi (Coult. & Rose) Coult. & Rose Gray's biscuitrootLomatium grayi var. grayi (Coult. & Rose) Coult. & Rose Gray's biscuitrootLomatium greenmanii Mathias Greenman's biscuitrootLomatium hallii (S. Wats.) Coult. & Rose Hall's biscuitroot

Lomatium hendersonii (Coult. & Rose) Coult. & Rose Henderson's biscuitrootLomatium howellii (S. Wats.) Jepson Howell's biscuitrootLomatium laevigatum (Nutt.) Coult. & Rose Slickrock biscuitrootLomatium macrocarpum (Nutt. ex Torr. & Gray) Coult. & Rose bigseed biscuitrootLomatium martindalei (Coult. & Rose) Coult. & Rose cascade desertparsleyLomatium minus (Rose ex T.J. Howell) Mathias & Constance Day Valley desertparsleyLomatium nevadense (S. Wats.) Coult. & Rose Nevada biscuitrootLomatium nevadense var. nevadense (S. Wats.) Coult. & Rose Nevada biscuitrootLomatium nevadense var. parishii (Coult. & Rose) Jepson Parish's biscuitrootLomatium nudicaule (Pursh) Coult. & Rose barestem biscuitrootLomatium oreganum (Coult. & Rose) Coult. & Rose Blue Mountain biscuitrootLomatium peckianum Mathias & Constance Peck's desertparsleyLomatium piperi Coult. & Rose Indian biscuitrootLomatium rollinsii Mathias & Constance Rollins' biscuitrootLomatium serpentinum (M.E. Jones) Mathias sweetscented biscuitrootLomatium simplex (Nutt.) J.F. Macbr. narrowleaf lomatiumLomatium simplex var. leptophyllum (Hook.) Mathias narrowleaf lomatiumLomatium simplex var. simplex (Nutt.) J.F. Macbr. Great Basin desertparsleyLomatium suksdorfii (S. Wats.) Coult. & Rose Suksdorf's desertparsleyLomatium tracyi Mathias & Constance Tracy's desertparsleyLomatium triternatum (Pursh) Coult. & Rose nineleaf biscuitrootLomatium triternatum var. anomalum (M.E. Jones ex Coult. & Rose) Mathias broadnineleaf biscuitroot


Lomatium triternatum var. brevifolium (Coult. & Rose) Mathias nineleaf biscuitrootLomatium triternatum var. macrocarpum (Coult. & Rose) Mathias nineleaf biscuitrootLomatium triternatum var. triternatum (Pursh) Coult. & Rose nineleaf biscuitrootLomatium utriculatum (Nutt. ex Torr. & Gray) Coult. & Rose common lomatiumLomatium vaginatum Coult. & Rose broadsheath desertparsleyLomatium watsonii (Coult. & Rose) Coult. & Rose Watson's desertparsleyOenanthe sarmentosa K. Presl ex DC. water parselyOrogenia fusiformis S. Wats. California Indian potatoOrogenia linearifolia S. Wats. Great Basin Indian potatoOsmorhiza berteroi DC. sweetcicelyOsmorhiza chilensis Hook. & Arn. = Osmorhiza berteroiOsmorhiza depauperata Phil. bluntseed sweetrootOsmorhiza occidentalis (Nutt. ex Torr. & Gray) Torr. western sweetrootOsmorhiza purpurea (Coult. & Rose) Suksdorf purple sweetrootOxypolis occidentalis Coult. & Rose western cowbanePastinaca sativa L. wild parsnipPerideridia bacigalupii Chuang & Constance Mother Lode yampahPerideridia bolanderi (Gray) A. Nels. & J.F. Macbr. Bolander's yampahPerideridia erythrorhiza (Piper) Chuang & Constance western yampahPerideridia gairdneri (Hook. & Arn.) Mathias yampaPerideridia gairdneri ssp. borealis Chuang & Constance common yampahPerideridia lemmonii (Coult. & Rose) Chuang & Constance Lemmon's yampahPerideridia oregana (S. Wats.) Mathias

squaw potatoPerideridia parishii (Coult. & Rose) A. Nels. & J.F. Macbr. Parish's yampahPteryxia petraea (M.E. Jones) Coult. & Rose rockloving desertparsleyPteryxia terebinthina (Hook.) Coult. & Rose smoothshore springparsleyPteryxia terebinthina var. albiflora (Torr. & Gray) Mathias smoothshore springparsleyPteryxia terebinthina var. foeniculacea (Nutt. ex Torr. & Gray) Mathias turpentine wavewingPteryxia terebinthina var. terebinthina (Hook.) Coult. & Rose turpentine wavewingSanicula arctopoides Hook. & Arn. footsteps of springSanicula bipinnatifida Dougl. ex Hook. purple sanicleSanicula crassicaulis Poepp. ex DC. Pacific blacksnakerootSanicula crassicaulis var. crassicaulis Poepp. ex DC. Pacific blacksnakerootSanicula crassicaulis var. tripartita (Suksdorf) H. Wolff Pacific blacksnakerootSanicula graveolens Poepp. ex DC. northern sanicleSanicula laciniata Hook. & Arn. coastal blacksnakerootSanicula peckiana J.F. Macbr. Peck's blacksnakerootSanicula tuberosa Torr. turkey peaScandix pecten-veneris L. shepherdsneedleSium suave Walt. hemlock waterparsnipSphenosciadium capitellatum Gray woollyhead parsnipTauschia glauca (Coult. & Rose) Mathias & Constance glaucous umbrellawortTauschia howellii (Coult. & Rose) J.F. Macbr. Howell's umbrellawortTauschia kelloggii (Gray) J.F. Macbr. Kellogg's umbrellawortTauschia stricklandii (Coult. & Rose) Mathias & Constance


Strickland's umbrellawortTorilis arvensis (Huds.) Link spreading hedgeparsleyTorilis japonica (Houtt.) DC. erect hedgeparsleyTorilis nodosa (L.) Gaertn. knotted hedgeparsleyTorilis scabra (Thunb.) DC. rough hedgeparsleyTurgenia latifolia (L.) Hoffmann broadleaf false carrotYabea microcarpa (Hook. & Arn.) K.-Pol. falsecarrotZizia aptera (Gray) Fern. meadow zizia

URTICACEAEParietaria pensylvanica Muhl. ex Willd. Pennsylvania pellitoryUrtica dioica L. stinging nettleUrtica dioica ssp. dioica L. stinging nettleUrtica dioica ssp. gracilis (Ait.) Seland. California nettleUrtica dioica ssp. holosericea (Nutt.) Thorne stinging nettleUrtica gracilis Ait. = Urtica dioica ssp. gracilisUrtica holosericea Nutt. = Urtica dioica ssp. holosericeaUrtica lyallii S. Wats. = Urtica dioica ssp. gracilisUrtica urens L. dwarf nettle

VALERIANACEAECentranthus ruber (L.) DC. red valerianPlectritis ciliosa (Greene) Jepson longspur seablushPlectritis congesta (Lindl.) DC. shortspur seablush

Plectritis congesta ssp. brachystemon (Fisch. & C.A. Mey.) Morey shortspur seablushPlectritis congesta ssp. congesta (Lindl.) DC. shortspur seablushPlectritis macrocera Torr. & Gray longhorn plectritisPlectritis macrocera ssp. macrocera Torr. & Gray white seablushValeriana acutiloba Rydb. sharpleaf valerianValeriana acutiloba var. pubicarpa (Rydb.) Cronq. hairyfruit valerianValeriana californica Heller California valerianValeriana capitata ssp. californica (Heller) F.G. Mey. = Valeriana californicaValeriana capitata ssp. pubicarpa (Rydb.) F.G. Mey. = Valeriana acutiloba var. pubicarpaValeriana edulis Nutt. ex Torr. & Gray edible valerianValeriana edulis var. edulis Nutt. ex Torr. & Gray tobacco rootValeriana occidentalis Heller western valerianValeriana officinalis L. garden valerianValeriana scouleri Rydb. Scouler's valerianValeriana sitchensis Bong. Sitka valerianValerianella carinata Loisel. European cornsaladValerianella locusta (L.) Lat. Lewiston cornsalad

VERBENACEAEVerbena L. verbenaVerbena bracteata Lag. & Rodr. bigbract verbenaVerbena bracteosa Michx. = Verbena bracteataVerbena hastata L. swamp verbena


Verbena hastata var. hastata L. swamp verbenaVerbena lasiostachys Link western vervainVerbena lasiostachys var. lasiostachys Link western vervainVerbena officinalis L. European valerian

VIOLACEAEViola adunca Sm. hookedspur violetViola adunca var. adunca Sm. hookedspur violetViola adunca var. oxyceras (S. Wats.) S. Wats. ex Jepson hookedspur violetViola arvensis Murr. field pansyViola bakeri Greene Baker's violetViola beckwithii Torr. & Gray Beckwith's violetViola beckwithii ssp. beckwithii Torr. & Gray Beckwith's violetViola canadensis L. Canadian white violetViola canadensis var. corymbosa Nutt. ex Torr. & Gray Canadian white violetViola canadensis var. rugulosa (Greene) C.L. Hitchc. creepingroot violetViola cuneata S. Wats. wedgeleaf violetViola douglasii Steud. Douglas' golden violetViola glabella Nutt. pioneer violetViola hallii Gray Oregon violetViola howellii Gray Howell's violetViola lanceolata L. bog white violetViola lanceolata ssp. lanceolata L. bog white violet

Viola lanceolata ssp. occidentalis (Gray) Russell bog white violetViola langsdorfii Fisch. ex Gingins Aleutian violetViola lobata Benth. moosehorn violetViola lobata ssp. integrifolia (S. Wats.) R.J. Little moosehorn violetViola lobata var. lobata Benth. moosehorn violetViola macloskeyi Lloyd small white violetViola macloskeyi ssp. macloskeyi Lloyd Macloskey's violetViola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker smooth white violetViola ocellata Torr. & Gray pinto violetViola odorata L. sweet violetViola orbiculata Geyer ex Holz. darkwoods violetViola palustris L. marsh violetViola palustris var. palustris L. marsh violetViola praemorsa Dougl. ex Lindl. canary violetViola praemorsa ssp. linguifolia (Nutt.) M.S. Baker & J.C. Clausen ex M.E. Peck upland yellow violetViola praemorsa ssp. praemorsa Dougl. ex Lindl. canary violetViola psychodes Greene butterfly violetViola purpurea Kellogg goosefoot violetViola purpurea ssp. dimorpha M.S. Baker & J.C. Clausen goosefoot violetViola purpurea ssp. geophyta M.S. Baker & J.C. Clausen goosefoot violetViola purpurea ssp. mesophyta M.S. Baker & J.C. Clausen goosefoot violetViola purpurea ssp. purpurea Kellogg goosefoot violet


Viola purpurea ssp. quercetorum (M.S. Baker & J.C. Clausen) R.J. Little goosefoot yellow violetViola purpurea ssp. venosa (S. Wats.) M.S. Baker & J.C. Clausen goosefoot yellow violetViola sempervirens Greene evergreen violetViola sheltonii Torr. Shelton's violetViola sororia Willd. common blue violetViola tricolor L. johnny jumpupViola trinervata (T.J. Howell) T.J. Howell ex Gray Rainier violetViola vallicola A. Nels. valley violetViola vallicola var. major (Hook.) Fabijan valley violetViola vallicola var. vallicola A. Nels. sagebrush violet

VISCACEAEArceuthobium abietinum Engelm. ex Munz fir dwarf mistletoeArceuthobium americanum Nutt. ex Engelm. American dwarf mistletoeArceuthobium californicum Hawksworth & Wiens sugar pine dwarf mistletoeArceuthobium campylopodum Engelm. western dwarf mistletoeArceuthobium cyanocarpum (A. Nels. ex Rydb.) A. Nels. limber pine dwarf mistletoeArceuthobium douglasii Engelm. Douglas fir dwarf mistletoeArceuthobium laricis (Piper) St. John larch dwarf mistletoeArceuthobium tsugense (Rosendahl) G.N. Jones hemlock dwarf mistletoePhoradendron bolleanum (Seem.) Eichl. Bollean mistletoePhoradendron densum Torr. ex Trel.Phoradendron juniperinum Engelm. juniper mistletoe

Phoradendron juniperinum ssp. juniperinum Engelm. juniper mistletoePhoradendron libocedri (Engelm.) T.J. HowellPhoradendron villosum (Nutt.) Nutt. Pacific mistletoePhoradendron villosum ssp. villosum (Nutt.) Nutt. Pacific mistletoe

VITACEAEVitis californica Benth. California wild grapeVitis riparia Michx. riverbank grapeVitis vinifera L. domestic grape

ZANNICHELLIACEAEZannichellia palustris L. horned pondweed

ZYGOPHYLLACEAEPeganum harmala L. (?) harmal peganumTribulus terrestris L. puncturevine


Checklist of the Vascular Plants of Oregon

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