| |
| Abronia latifolia Eschsch. |
| Abronia mellifera Douglas ex Hook. |
| Actaea rubra (Aiton) Willd. |
| Adeia whitneyi (A.Gray) G.L.Nesom trib. Astereae |
| Agastache cusickii (Greenm.) A.Heller |
| Agoseris aurantiaca (Hook.) Greene trib. Cichorieae |
| Agoseris eastwoodiae Fedde trib. Cichorieae |
| Agoseris glauca (Pursh) Raf. trib. Cichorieae |
| Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| Agoseris maritima E.Sheld. trib. Cichorieae |
| Agoseris monticola Greene trib. Cichorieae |
| Agoseris parviflora (Nutt.) D.Dietr. trib. Cichorieae |
| Agoseris retrorsa (Benth.) Greene trib. Cichorieae |
| Achlys triphylla DC. |
| Andersonglossum occidentale (A.Gray) J.I.Cohen |
| Androsace laevigata (A.Gray) Wendelbo |
| Anemonastrum deltoideum (Douglas) Mosyakinn |
| Anemone drummondii S.Watson |
| Anemone hudsoniana (DC.) Richardson |
| Anemone parviflora Michx. |
| Anemone tetonensis Porter ex Britton |
| Anemonoides grayi (Behr & Kellogg) Starod. |
| Anemonoides oregana (A.Gray) Holub |
| Anemonoides piperi (Rydb.) Holub |
| Antennaria anaphaloides Rydb. trib. Gnaphalieae |
| Antennaria argentea Benth. trib. Gnaphalieae |
| Antennaria arida E.E.Nelson trib. Gnaphalieae |
| Antennaria confinis Greene trib. Gnaphalieae |
| Antennaria corymbosa E.E.Nelson trib. Gnaphalieae |
| Antennaria dimorpha Torr. & A.Gray trib. Gnaphalieae |
| Antennaria flagellaris (A.Gray) A.Gray trib. Gnaphalieae |
| Antennaria geyeri A.Gray trib. Gnaphalieae |
| Antennaria howellii Greene trib. Gnaphalieae |
| Antennaria lanata Greene |
| Antennaria luzuloides Torr. & Gray trib. Gnaphalieae |
| Antennaria media Greene trib. Gnaphalieae |
| Antennaria microcephala A.Gray trib. Gnaphalieae |
| Antennaria microphylla Rydb. trib. Gnaphalieae |
| Antennaria neodioica Greene trib. Gnaphalieae |
| Antennaria parvifolia Nutt. trib. Gnaphalieae |
| Antennaria petaloidea Fernald trib. Gnaphalieae |
| Antennaria pulvinata Greene trib. Gnaphalieae |
| Antennaria racemosa Hook. trib. Gnaphalieae |
| Antennaria stenophylla (A.Gray) A.Gray trib. Gnaphalieae |
| Antennaria suffrutescens Greene trib. Gnaphalieae |
| Antennaria umbrinella Rydb. trib. Gnaphalieae |
| Aquilegia flavescens S.Watson |
| Aquilegia formosa Fisch. ex DC. |
| Aquilegia truncata Fisch. & C.A.Mey. |
| Arabis aculeolata Greene |
| Arabis crucisetosa Constance & Rollins |
| Arabis furcata S.Watson |
| Arabis mcdonaldiana Eastw. |
| Arabis modesta Rollins |
| Arabis oregana Rollins |
| Arctostaphylos nevadensis A.Gray |
| Arctostaphylos uva-ursi (L.) Spreng. |
| Armeria californica (Boiss.) P.M.Sl. |
| Armeria maritima (Mill.) Willd. |
| Arnica cernua Howell trib. Heliantheae |
| Arnica cordifolia Hook. trib. Heliantheae |
| Arnica fulgens Pursh trib. Heliantheae |
| Arnica gracilis Rydb. trib. Heliantheae |
| Arnica chamissonis Less. trib. Heliantheae |
| Arnica latifolia Bong. trib. Heliantheae |
| Arnica nevadensis A.Gray trib. Heliantheae |
| Arnica parryi A.Gray trib. Heliantheae |
| Arnica rydbergii Greene trib. Heliantheae |
| Arnica sororia Greene trib. Heliantheae |
| Arnica spathulata Greene trib. Heliantheae |
| Arnica viscosa A.Gray trib. Heliantheae |
| Artemisia albicans Son.Garcia & al. trib. Anthemideae |
| Artemisia arbuscula Nutt. trib. Anthemideae |
| Artemisia bolanderi A.Gray trib. Anthemideae |
| Artemisia borealis Pall. trib. Anthemideae |
| Artemisia longiloba (Osterh.) Beetle trib. Anthemideae |
| Artemisia packardiae J.W.Grimes & Ertter trib. Anthemideae |
| Artemisia papposa S.F.Blake & Cronquist trib. Anthemideae |
| Artemisia potentilloides A.Gray trib. Anthemideae |
| Artemisia rigida (Nutt.) A.Gray trib. Anthemideae |
| Artemisia spinescens D.C.Eaton trib. Anthemideae |
| Artemisia tilesii Ledeb. trib. Anthemideae |
| Asarum caudatum Lindl. |
| Asarum hartwegii S.Watson |
| Asarum marmoratum Piper |
| Asclepias davisii Woodson trib. Asclepiadeae |
| Askellia pygmaea (Ledeb.) Sennikov trib. Cichorieae |
| Astragalus aboriginorum Richardson trib. Galegeae |
| Astragalus accidens S.Watson |
| Astragalus agrestis Douglas ex G.Don sect. Hypoglottidei |
| Astragalus alpinus L. sect. Komaroviella |
| Astragalus arrectus A.Gray |
| Astragalus arthuri M.E.Jones |
| Astragalus atratus S.Watson trib. Galegeae |
| Astragalus calycosus Torr. ex S.Watson |
| Astragalus eucosmus B.L.Rob. sect. Malacothrix |
| Astragalus glareosus Douglas trib. Galegeae |
| Astragalus hendersonii S.Watson |
| Astragalus hoodianus Howell trib. Galegeae |
| Astragalus howellii A.Gray |
| Astragalus impensus (E.Sheld.) Wooton & Standl. trib. Galegeae |
| Astragalus inflexus Douglas ex Hook. |
| Astragalus iodanthus S.Watson trib. Galegeae |
| Astragalus jessiae M.Peck trib. Galegeae |
| Astragalus lagopinus (Rydb.) M.Peck trib. Galegeae |
| Astragalus lentiginosus Douglas ex Hook. trib. Galegeae |
| Astragalus malacus A.Gray |
| Astragalus merrillii (Rydb.) Tidestr. trib. Galegeae |
| Astragalus misellus S.Watson trib. Galegeae |
| Astragalus miser Douglas ex Hook. trib. Galegeae |
| Astragalus mulfordiae M.E.Jones |
| Astragalus nudisiliquus A.Nelson trib. Galegeae |
| Astragalus obscurus S.Watson trib. Galegeae |
| Astragalus ophiogenes Barneby trib. Galegeae |
| Astragalus owyheensis A.Nelson & J.F.Macbr. trib. Galegeae |
| Astragalus peckii Piper |
| Astragalus platytropis A.Gray trib. Galegeae |
| Astragalus purshii Douglas ex G.Don trib. Galegeae |
| Astragalus reventiformis (Rydb.) Barneby trib. Galegeae |
| Astragalus reventus A.Gray trib. Galegeae |
| Astragalus salinus Howell trib. Galegeae |
| Astragalus salmonis M.E.Jones |
| Astragalus serotinus A.Gray ex E.Cooper trib. Galegeae |
| Astragalus sheldonii (Rydb.) Barneby trib. Galegeae |
| Astragalus siskiyouensis (Rydb.) J.W.Thomps. trib. Galegeae |
| Astragalus sonneanus Greene trib. Galegeae |
| Astragalus spaldingii A.Gray trib. Galegeae |
| Astragalus speirocarpus A.Gray |
| Astragalus striatus Nutt. sect. Onobrychoidei |
| Astragalus tegetarioides M.E.Jones trib. Galegeae |
| Astragalus tegetarius S.Watson trib. Galegeae |
| Astragalus tetrapterus A.Gray |
| Astragalus whitneyi A.Gray trib. Galegeae |
| Atriplex confertifolia (Torr. & Frémont) S.Watson |
| |
| Balsamorhiza careyana A.Gray trib. Heliantheae |
| Balsamorhiza deltoidea Nutt. trib. Heliantheae |
| Balsamorhiza hispidula W.M.Sharp trib. Heliantheae |
| Balsamorhiza hookeri Nutt. trib. Heliantheae |
| Balsamorhiza incana Nutt. trib. Heliantheae |
| Balsamorhiza macrolepis W.M.Sharp trib. Heliantheae |
| Balsamorhiza rosea A.Nelson & J.F.Macbr. trib. Heliantheae |
| Balsamorhiza sericea W.A.Weber trib. Heliantheae |
| Balsamorhiza serrata A.Nelson & J.F.Macbr. trib. Heliantheae |
| Berberis nervosa Pursh |
| Berberis repens Lindl. |
| Betula glandulosa Michx. |
| Betula pumila L. |
| Bistorta vivipara (L.) Delarbre |
| Boechera atrorubens (Suksd. ex Greene) Windham & Al-Shehbaz |
| Boechera breweri (S.Watson) Al-Shehbaz |
| Boechera cascadensis Windham & Al-Shehbaz |
| Boechera cobrensis (M.E.Jones) Dorn |
| Boechera covillei (Greene) Windham & Al-Shehbaz |
| Boechera cusickii (S.Watson) Al-Shehbaz |
| Boechera davidsonii (Greene) N.H.Holmgren |
| Boechera drepanoloba (Greene) Windham & Al-Shehbaz |
| Boechera hastatula (Greene) Al-Shehbaz |
| Boechera horizontalis (Greene) Windham & Al-Shehbaz |
| Boechera howellii (S.Watson) Windham & Al-Shehbaz |
| Boechera koehleri (Howell) Al-Shehbaz |
| Boechera lemmonii (S.Watson) W.A.Weber |
| Boechera lyallii (S.Watson) Dorn |
| Boechera microphylla (Nutt. ex Torr. & A.Gray) Dorn |
| Boechera paddoensis (Rollins) Windham & Al-Shehbaz |
| Boechera paupercula (Greene) Windham & Al-Shehbaz |
| Boechera pendulocarpa (A.Nelson) Windham & Al-Shehbaz |
| Boechera platysperma (A.Gray) Al-Shehbaz |
| Boechera rollei (Rollins) Al-Shehbaz |
| Boechera sparsiflora (Nutt.) Dorn |
| Boechera subpinnatifida (S.Watson) Al-Shehbaz |
| Boechera suffrutescens (S.Watson) Dorn |
| Bolandra oregana S.Watson |
| Boykinia major A.Gray |
| Boykinia occidentalis Torr. & A.Gray |
| Brewerimitella breweri (A.Gray) R.A.Folk & Y.Okuyama |
| Brewerimitella ovalis (Greene) R.A.Folk & Y.Okuyama |
| Brickellia greenei A.Gray trib. Eupatorieae |
| Brickellia linifolia D.C.Eaton trib. Eupatorieae |
| Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| Brickellia oblongifolia Nutt. trib. Eupatorieae |
| |
| Cacaliopsis nardosmia (A.Gray) A.Gray trib. Senecioneae |
| Caltha leptosepala DC. |
| Calyptridium monospermum Greene |
| Calyptridium umbellatum (Torr.) Greene |
| Camissoniopsis cheiranthifolia (Hornem.) W.L.Wagner & Hoch |
| Campanula scabrella Engelm. |
| Campanula scouleri Hook. ex A.DC. |
| Cardamine bellidifolia L. |
| Cardamine breweri S.Watson |
| Cardamine holmgrenii Al-Shehbaz |
| Cardamine nuttallii Greene |
| Cassiope mertensiana (Bong.) D.Don |
| Castilleja angustifolia (Nutt.) G.Don |
| Castilleja applegatei Fernald |
| Castilleja arachnoidea Greenm. |
| Castilleja collegiorum J.M.Egger & Malaby |
| Castilleja dixonii Fernald |
| Castilleja fraterna Greenm. |
| Castilleja glandulifera Pennell |
| Castilleja hispida Benth. |
| Castilleja chambersii M.Egger & Meinke |
| Castilleja chlorotica Piper |
| Castilleja chrysantha Greenm. |
| Castilleja inverta (A.Nelson & J.F.Macbr.) Pennell & Ownbey |
| Castilleja miniata Douglas ex Hook. |
| Castilleja oreopola Greenm. |
| Castilleja oresbia Greenm. |
| Castilleja pallescens (A.Gray) Greenm. |
| Castilleja pilosa (S.Watson) Rydb. |
| Castilleja pinetorum Fernald |
| Castilleja rhexiifolia Rydb. |
| Castilleja rubida Piper |
| Castilleja rupicola Piper ex Fernald |
| Castilleja rustica Piper |
| Castilleja schizotricha Greenm. |
| Castilleja steenensis Pennell |
| Castilleja viscidula A.Gray |
| Castilleja xanthotricha Pennell |
| Ceanothus cordulatus Kellogg |
| Ceanothus integerrimus Hook. & Arn. |
| Ceanothus prostratus Benth. |
| Ceanothus pumilus Greene |
| Cerastium beeringianum Cham. & Schltdl. |
| Cirsium tioganum (Congdon) Petr. trib. Cardueae |
| Claytonia cordifolia S.Watson |
| Claytonia lanceolata Pursh |
| Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia nevadensis S.Watson |
| Claytonia obovata Rydb. |
| Claytonia sibirica L. |
| Claytonia umbellata S.Watson |
| Clematis grosseserrata (Rydb.) Ackerf. |
| Clematis hirsutissima Pursh |
| Cochlearia groenlandica L. |
| Collomia debilis (S.Watson) Greene |
| Collomia larsenii (A.Gray) Payson |
| Columbiadoria hallii (A.Gray) G.L.Nesom trib. Astereae |
| Coptis laciniata A.Gray |
| Corethrogyne filaginifolia (Hook. & Arn.) Nutt. trib. Astereae |
| Cornus unalaschkensis Ledeb. |
| Corydalis scouleri Hook. sect. Archaecapnos |
| Crepis bakeri Greene trib. Cichorieae |
| Crepis modocensis Greene trib. Cichorieae |
| Crepis monticola Coville trib. Cichorieae |
| Crepis occidentalis Nutt. trib. Cichorieae |
| Crepis pumila Rydb. trib. Cichorieae |
| Cusickiella douglasii (A.Gray) Rollins |
| Cymopterus albiflorus Torr. & A.Gray |
| Cymopterus foeniculaceus Torr. & A.Gray |
| Cymopterus glomeratus (Nutt.) DC. |
| Cymopterus ibapensis M.E.Jones |
| Cymopterus nivalis S.Watson |
| Cymopterus petraeus M.E.Jones |
| |
| Dalea ornata (Douglas ex Hook.) Eaton & Wright trib. Amorpheae |
| Dasiphora fruticosa (L.) Rydb. |
| Delphinium andersonii A.Gray |
| Delphinium decorum Fisch. & C.A.Mey. |
| Delphinium depauperatum Nutt. |
| Delphinium glareosum Greene |
| Delphinium leucophaeum Greene |
| Delphinium menziesii DC. |
| Delphinium nudicaule Torr. & A.Gray |
| Delphinium nuttallianum Pritz. ex Walp. |
| Delphinium nuttallii A.Gray |
| Dicentra cucullaria (L.) Bernh. |
| Dicentra formosa (Andrews) Walp. |
| Dicentra oregona Eastw. |
| Dicentra pauciflora S.Watson |
| Dicentra uniflora Kellogg |
| Diplacus aurantiacus (Curtis) Jeps. |
| Doellingeria gormanii (Piper) Semple & al. trib. Astereae |
| Draba albertina Greene |
| Draba aureola S.Watson sect. Phyllodraba |
| Draba cana Rydb. |
| Draba crassifolia Graham |
| Draba cusickii B.L.Rob. ex O.E.Schulz sect. Chrysodraba |
| Draba cyclomorpha Payson |
| Draba densifolia Nutt. sect. Chrysodraba |
| Draba howellii S.Watson sect. Chrysodraba |
| Draba incerta Payson |
| Draba lonchocarpa Rydb. sect. Leucodraba |
| Draba novolympica Payson & H.St.John |
| Draba oligosperma Hook. sect. Chrysodraba |
| Dryas drummondii Richardson ex Hook. |
| Dryas hookeriana Juz. |
| Drymocallis ashlandica (Greene) Rydb. |
| Drymocallis pseudorupestris (Rydb.) Rydb. |
| Drymocallis pumila Rydb. |
| Drymocallis rhomboidea (Rydb.) Rydb. |
| Dudleya farinosa (Lindl.) Britton & Rose |
| |
| Elliottia pyroliflora (Bong.) S.W.Brim & P.F.Stevens |
| Elmera racemosa (S.Watson) Rydb. |
| Empetrum nigrum L. |
| Enemion hallii (A.Gray) J.R.Drumm. & Hutch. |
| Enemion stipitatum (A.Gray) J.R.Drumm. & Hutch. |
| Epilobium arizonicum (Davidson) P.M.Sl. |
| Epilobium clavatum Trel. |
| Epilobium fastigiatum (Nutt.) Piper |
| Epilobium glaberrimum Barbey |
| Epilobium hallianum Hausskn. |
| Epilobium lactiflorum Hausskn. |
| Epilobium latifolium L. |
| Epilobium leptocarpum Hausskn. |
| Epilobium luteum Pursh |
| Epilobium obcordatum A.Gray |
| Epilobium oregonense Hausskn. |
| Epilobium rigidum Hausskn. |
| Epilobium saximontanum Hausskn. |
| Epilobium siskiyouense (Munz) Hoch & P.H.Raven |
| Eremogone aculeata (S.Watson) Ikonn. |
| Eremogone americana (Maguire) Ikonn. |
| Eremogone cephaloidea (Rydb.) P.M.Sl. |
| Eremogone congesta (Nutt.) Ikonn. |
| Eremogone crassula (Maguire) P.M.Sl. |
| Eremogone franklinii (Douglas ex Hook.) R.L.Hartm. & Rabeler |
| Eremogone prolifera (Maguire) P.M.Sl. |
| Eremogone pumicola (Coville & Leiberg) Ikonn. |
| Eremogone suffrutescens (A.Gray) P.M.Sl. |
| Eremogone uintahensis (A.Nelson) P.M.Sl. |
| Ericameria bloomeri (A.Gray) J.F.Macbr. trib. Astereae |
| Ericameria discoidea (Nutt.) G.L.Nesom trib. Astereae |
| Ericameria greenei (A.Gray) G.L.Nesom trib. Astereae |
| Ericameria nana Nutt. trib. Astereae |
| Ericameria nauseosa var. nana (Cronquist) G.L.Nesom trib. Astereae |
| Ericameria resinosa Nutt. trib. Astereae |
| Ericameria suffruticosa (Nutt.) G.L.Nesom trib. Astereae |
| Erigeron aliceae Howell trib. Astereae |
| Erigeron aphanactis Greene trib. Astereae |
| Erigeron aureus Greene trib. Astereae |
| Erigeron austiniae Greene trib. Astereae |
| Erigeron bloomeri A.Gray trib. Astereae |
| Erigeron cascadensis A.Heller trib. Astereae |
| Erigeron cervinus Greene trib. Astereae |
| Erigeron compositus Pursh trib. Astereae |
| Erigeron confinis Howell trib. Astereae |
| Erigeron corymbosus Nutt. trib. Astereae |
| Erigeron coulteri Porter & J.M.Coult. trib. Astereae |
| Erigeron disparipilus Cronquist trib. Astereae |
| Erigeron elegantulus Greene trib. Astereae |
| Erigeron filifolius (Hook.) Nutt. trib. Astereae |
| Erigeron flagellaris A.Gray trib. Astereae |
| Erigeron glacialis (Nutt.) A.Nelson trib. Astereae |
| Erigeron glaucus Ker Gawl. trib. Astereae |
| Erigeron grandiflorus Hook. trib. Astereae |
| Erigeron howellii A.Gray trib. Astereae |
| Erigeron chrysopsidis A.Gray trib. Astereae |
| Erigeron klamathensis (G.L.Nesom) G.L.Nesom trib. Astereae |
| Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist trib. Astereae |
| Erigeron linearis (Hook.) Piper trib. Astereae |
| Erigeron nivalis Nutt. trib. Astereae |
| Erigeron nudatus A.Gray trib. Astereae |
| Erigeron oreganus A.Gray trib. Astereae |
| Erigeron pacificus Howell |
| Erigeron peregrinus (Pursh) Greene trib. Astereae |
| Erigeron petrophilus Greene trib. Astereae |
| Erigeron plantagineus Greene trib. Astereae |
| Erigeron poliospermus A.Gray trib. Astereae |
| Erigeron pumilus Nutt. trib. Astereae |
| Erigeron tener (A.Gray) A.Gray trib. Astereae |
| Erigeron vagus Payson trib. Astereae |
| Erigeron villosulus Greene trib. Astereae |
| Eriogonum anserinum Greene sect. Eucycla |
| Eriogonum caespitosum Nutt. sect. Oligogonum |
| Eriogonum calcareum (S.Stokes) Grady & Reveal sect. Eucycla |
| Eriogonum compositum Douglas ex Benth. sect. Oligogonum |
| Eriogonum coryphaeum (Torr. & A.Gray) G.N.Jones sect. Oligogonum |
| Eriogonum crosbyae Reveal sect. Eucycla |
| Eriogonum cusickii M.E.Jones sect. Eucycla |
| Eriogonum depressum (Blank.) Rydb. sect. Eucycla |
| Eriogonum diclinum Reveal sect. Oligogonum |
| Eriogonum douglasii Benth. sect. Oligogonum |
| Eriogonum dumosum Greene sect. Oligogonum |
| Eriogonum elatum Douglas ex Benth. sect. Eucycla |
| Eriogonum ellipticum Nutt. sect. Oligogonum |
| Eriogonum glaberrimum Gand. sect. Oligogonum |
| Eriogonum halimoides Gand. sect. Oligogonum |
| Eriogonum haussknechtii Dammer sect. Oligogonum |
| Eriogonum heracleoides Nutt. sect. Oligogonum |
| Eriogonum chrysops Rydb. sect. Eucycla |
| Eriogonum latifolium Sm. sect. Eucycla |
| Eriogonum laxiflorum (Hook.) Nutt. ex Benth. |
| Eriogonum lobbii Torr. & A.Gray sect. Oligogonum |
| Eriogonum marifolium A.Gray sect. Oligogonum |
| Eriogonum microtheca Nutt. sect. Eucycla |
| Eriogonum modocense Greene sect. Oligogonum |
| Eriogonum nivale Canby ex Coville sect. Eucycla |
| Eriogonum niveum Douglas ex Benth. sect. Eucycla |
| Eriogonum nudum var. paralinum Reveal sect. Eucycla |
| Eriogonum ovalifolium Nutt. sect. Eucycla |
| Eriogonum pendulum S.Watson sect. Eucycla |
| Eriogonum piperi Greene sect. Oligogonum |
| Eriogonum prociduum Reveal sect. Eucycla |
| Eriogonum proliferum Torr. & A.Gray sect. Eucycla |
| Eriogonum purpureum (Nutt.) Nutt. ex Benth. sect. Eucycla |
| Eriogonum rubidum Gand. sect. Eucycla |
| Eriogonum scopulorum Reveal |
| Eriogonum sphaerocephalum Douglas ex Benth. sect. Oligogonum |
| Eriogonum strictum Benth. sect. Eucycla |
| Eriogonum tenue Small sect. Oligogonum |
| Eriogonum ternatum Howell sect. Oligogonum |
| Eriogonum thymoides Benth. sect. Oligogonum |
| Eriophyllum achilleoides (DC.) Greene trib. Helenieae |
| Eriophyllum grandiflorum (A.Gray) Greene trib. Helenieae |
| Eriophyllum integrifolium (Hook.) Greene trib. Helenieae |
| Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| Eriophyllum lanceolatum Howell trib. Helenieae |
| Eriophyllum leucophyllum Howell trib. Helenieae |
| Eritrichium argenteum W.Wight |
| Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| Eryngium alismifolium Greene |
| Erysimum amoenum (Greene) Rydb. |
| Erysimum arenicola S.Watson |
| Erysimum capitatum (Douglas) Greene |
| Erysimum occidentale (S.Watson) B.L.Rob. |
| Erythranthe cardinalis (Douglas ex Benth.) Spach |
| Erythranthe dentata (Nutt. ex Benth.) G.L.Nesom |
| Erythranthe jungermannioides (Suksd.) G.L.Nesom |
| Erythranthe lewisii (Pursh) G.L.Nesom & N.S.Fraga |
| Erythranthe moschata (Douglas ex Lindl.) G.L.Nesom |
| Erythranthe primuloides (Benth.) G.L.Nesom & N.S.Fraga |
| Erythranthe tilingii (Regel) G.L.Nesom |
| Eurybia merita (A.Nelson) G.L.Nesom trib. Astereae |
| |
| Frasera albicaulis Griseb. |
| Frasera cusickii A.Gray |
| Frasera nitida Benth. |
| |
| Gaillardia aristata Pursh trib. Heliantheae |
| Galium kamtschaticum Steller ex Schult. & Schult.f. |
| Gaultheria humifusa (Graham) Rydb. |
| Gaultheria ovatifolia A.Gray |
| Gaultheria shallon Pursh |
| Gentiana affinis Griseb. sect. Pneumonanthe |
| Gentiana calycosa Griseb. sect. Pneumonanthe |
| Gentiana newberryi A.Gray sect. Pneumonanthe |
| Gentiana oregana Engl. ex A.Gray sect. Pneumonanthe |
| Gentiana plurisetosa C.T.Mason sect. Pneumonanthe |
| Gentiana sceptrum Griseb. sect. Pneumonanthe |
| Gentiana setigera A.Gray sect. Pneumonanthe |
| Geranium richardsonii Fisch. & Trautv. |
| Geranium viscosissimum Fisch. & C.A.Mey. |
| Geum ciliatum Pursh |
| Geum rossii (R.Br.) Ser. |
| Grayia spinosa (Hook.) Moq. |
| Gutierrezia sarothrae (Pursh) Britton & Rusby trib. Astereae |
| |
| Hackelia cottonii (Piper) Brand |
| Hackelia cusickii (Piper) Brand |
| Hackelia diffusa (Douglas ex Lehm.) I.M.Johnst. |
| Hackelia micrantha (Eastw.) J.L.Gentry |
| Hackelia ophiobia R.L.Carr |
| Hackelia patens (Nutt.) I.M.Johnst. |
| Hedysarum mackenzie Richardson trib. Hedysareae |
| Hedysarum sulphurescens Rydb. trib. Hedysareae |
| Hemieva ranunculifolia Raf. |
| Hesperochiron nanus (Lindl.) Greene |
| Hesperochiron pumilus (Griseb.) Porter |
| Heterotheca oregona (Nutt.) Shinners trib. Astereae |
| Heterotheca rudis (Greene) G.L.Nesom trib. Astereae |
| Heterotheca villosa (Pursh) Shinners trib. Astereae |
| Heuchera cylindrica Douglas |
| Heuchera diversifolia Rydb. |
| Heuchera glabra Willd. ex Schult. |
| Heuchera grossulariifolia Rydb. |
| Heuchera hartwegii (S.Watson ex Wheelock) Rydb. |
| Heuchera lloydii Rydb. |
| Heuchera merriamii Eastw. |
| Heuchera micrantha Douglas |
| Heuchera pilosissima Fisch. & C.A.Mey. |
| Heuchera rubescens Torr. |
| Hieracium bolanderi A.Gray trib. Cichorieae |
| Hieracium horridum Fr. trib. Cichorieae |
| Hieracium triste Willd. ex Spreng. trib. Cichorieae |
| Hosackia oblongifolia Benth. trib. Loteae |
| Hulsea algida A.Gray trib. Helenieae |
| Hulsea nana A.Gray trib. Helenieae |
| Hydrophyllum albifrons A.Heller |
| Hydrophyllum alpestre A.Nelson & P.B.Kenn. |
| Hydrophyllum capitatum Douglas ex Benth. |
| Hydrophyllum fendleri (A.Gray) A.Heller |
| Hydrophyllum occidentale (S.Watson) A.Gray |
| Hydrophyllum tenuipes A.Heller |
| Hydrophyllum thompsonii M.Peck |
| Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| Hypericum scouleri Hook. sect. Hypericum |
| |
| Chaenactis alpina (A.Gray) M.E.Jones |
| Chaenactis douglasii Hook. & Arn. trib. Helenieae |
| Chaenactis suffrutescens A.Gray trib. Helenieae |
| Cherleria biflora (L.) A.J.Moore & Dillenb. |
| Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb. |
| Chimaphila menziesii (R.Br. ex D.Don) Spreng. |
| Chimaphila umbellata (L.) W.P.C.Barton |
| Chrysothamnus humilis Greene trib. Astereae |
| Chrysothamnus lanceolatus Nutt. trib. Astereae |
| Chrysothamnus viscidiflorus Nutt. trib. Astereae |
| |
| Ionactis alpina (Nutt.) Greene trib. Astereae |
| Ipomopsis congesta (Hook.) V.E.Grant |
| Ipomopsis tenuituba (Rydb.) V.E.Grant |
| Iris bracteata S.Watson |
| Iris chrysophylla Howell |
| Iris innominata L.F.Hend. |
| |
| Kalmia microphylla (Hook.) A.Heller |
| Kalmia occidentalis Small |
| Kalmiopsis leachiana (L.F.Hend.) Rehder |
| Koenigia davisiae (W.H.Brewer) T.M.Schuster & Reveal |
| Koenigia phytolaccifolia (Small) T.M.Schuster & Reveal |
| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit |
| |
| Lathyrus rigidus T.G.White trib. Vicieae |
| Lathyrus torreyi S.Watson trib. Vicieae |
| Lepidium davisii Rollins |
| Lepidium montanum Nutt. |
| Leptarrhena pyrolifolia (D.Don) Ser. |
| Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson |
| Leucophysalis nana (A.Gray) Averett |
| Leucothoë davisiae Torr. |
| Lewisia columbiana (Howell ex A.Gray) B.L.Rob. sect. Cotyledon |
| Lewisia cotyledon (S.Watson) B.L.Rob. sect. Cotyledon |
| Lewisia howellii (S.Watson) B.L.Rob. sect. Cotyledon |
| Lewisia leeana (Porter) B.L.Rob. sect. Cotyledon |
| Lewisia nevadensis (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia oppositifolia (S.Watson) B.L.Rob. sect. Pygmaea |
| Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| Lewisia rediviva Pursh sect. Rediviva |
| Lewisia rupicola English sect. Cotyledon |
| Lewisia wallowensis (C.L.Hitchc.) P.M.Sl. sect. Cotyledon |
| Linanthus hazeliae (M.Peck) P.M.Sl. |
| Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson |
| Linum lewisii Pursh |
| Lithophragma affine A.Gray |
| Lithophragma glabrum Nutt. |
| Lithophragma heterophyllum (Hook. & Arn.) Torr. & A.Gray |
| Lithophragma parviflorum (Hook.) Nutt. |
| Lithophragma tenellum Nutt. |
| Lithospermum californicum A.Gray |
| Lomatium ambiguum (Nutt.) J.M.Coult. & Rose |
| Lomatium bradshawii (Rose) Mathias & Constance |
| Lomatium canbyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| Lomatium columbianum Mathias & Constance |
| Lomatium cous (S.Watson) J.M.Coult. & Rose |
| Lomatium cusickii (S.Watson) J.M.Coult. & Rose |
| Lomatium donnellii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium engelmannii Mathias |
| Lomatium foeniculaceum (Nutt.) J.M.Coult. & Rose |
| Lomatium fusiformis (S.Watson) J.F.Sm. & Mansfield |
| Lomatium gormanii (Howell) J.M.Coult. & Rose |
| Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium greenmanii Mathias |
| Lomatium hallii (S.Watson) J.M.Coult. & Rose |
| Lomatium hendersonii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium laevigatum J.M.Coult. & Rose |
| Lomatium linearifolium (S.Watson) J.F.Sm. & Mansfield |
| Lomatium macdougalii J.M.Coult. & Rose |
| Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| Lomatium martindalei (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium minus (Rose ex Howell) Mathias & Constance |
| Lomatium mohavense (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium nevadense (S.Watson) J.M.Coult. & Rose |
| Lomatium oreganum (J.M.Coult. & Rose) J.M.Coulter & Rose |
| Lomatium piperi J.M.Coulter & Rose |
| Lomatium ravenii var. paiutense K.M.Carlson & Mansfield |
| Lomatium roseanum Cronquist |
| Lomatium serpentinum (M.E.Jones) Mathias |
| Lomatium tracyi Mathias & Constance |
| Lomatium utriculatum (Nutt.) J.M.Coult. & Rose |
| Lomatium vaginatum J.M.Coult. & Rose |
| Lomatium watsonii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lonicera interrupta Benth. |
| Luetkea pectinata (Pursh) Kuntze |
| Luina hypoleuca Benth. trib. Senecioneae |
| Luina serpentina Cronquist trib. Senecioneae |
| Lupinus argenteus Pursh trib. Genisteae |
| Lupinus aridus Douglas trib. Genisteae |
| Lupinus brachypodus Piper trib. Genisteae |
| Lupinus breweri A.Gray trib. Genisteae |
| Lupinus cusickii S.Watson trib. Genisteae |
| Lupinus fruticulosus Greene trib. Genisteae |
| Lupinus holosericeus Nutt. trib. Genisteae |
| Lupinus hypoleucus Greene trib. Genisteae |
| Lupinus lapidicola A.Heller trib. Genisteae |
| Lupinus laxiflorus Douglass ex Lindl. trib. Genisteae |
| Lupinus lepidus Douglas ex Lindl. trib. Genisteae |
| Lupinus littoralis Douglas ex Lindl. trib. Genisteae |
| Lupinus lobbii A.Gray ex S.Watson trib. Genisteae |
| Lupinus lyallii A.Gray trib. Genisteae |
| Lupinus minimus Douglas trib. Genisteae |
| Lupinus minutifolius Eastw. trib. Genisteae |
| Lupinus nevadensis A.Heller trib. Genisteae |
| Lupinus onustus S.Watson trib. Genisteae |
| Lupinus saxosus Howell trib. Genisteae |
| Lupinus sericeus Pursh trib. Genisteae |
| Lupinus watsonii A.Heller trib. Genisteae |
| Lysimachia europaea (L.) U.Manns & Anderb. |
| |
| Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray |
| Mertensia bella Piper |
| Mertensia ciliata (E.James ex Torr.) G.Don |
| Mertensia cusickii Piper |
| Mertensia longiflora Greene |
| Mertensia oblongifolia (Nutt.) G.Don |
| Mertensia paniculata (Aiton) G.Don |
| Mertensia stomatechoides Kellogg |
| Micranthes apetala (Piper) Small sect. Micranthes |
| Micranthes aprica (Greene) Small sect. Micranthes |
| Micranthes californica (Greene) Small sect. Micranthes |
| Micranthes cascadensis (Calder & Saville) P.M.Sl. sect. Calthophyllum |
| Micranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa |
| Micranthes fragosa (Suksd. ex Small) Small sect. Micranthes |
| Micranthes gormanii (Suksd.) Brouillet & Gornall sect. Dermasea |
| Micranthes hitchcockiana (Elvander) Brouillet & Gornall sect. Micranthes |
| Micranthes howellii (Greene) Small sect. Dermasea |
| Micranthes idahoensis (Piper) Brouillet & Gornall sect. Dermasea |
| Micranthes integrifolia (Hook.) Small sect. Micranthes |
| Micranthes marshallii (Greene) Small sect. Dermasea |
| Micranthes mertensiana (Bong.) Rosend. |
| Micranthes nidifica (Greene) Small sect. Micranthes |
| Micranthes occidentalis (S.Watson) Small sect. Dermasea |
| Micranthes oregana (Howell) Small sect. Micranthes |
| Micranthes rufidula Small sect. Dermasea |
| Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall sect. Intermediae |
| Micromeria douglasii Benth. |
| Microseris alpestris (A.Gray) Q.Jones ex Cronquist trib. Cichorieae |
| Microseris troximoides A.Gray trib. Cichorieae |
| Mitellastra caulescens (Nutt.) Howell |
| Moehringia lateriflora (L.) Fenzl |
| Monarda fistulosa L. |
| Monarda menthifolia Graham |
| Monardella discolor Greene |
| Monardella glauca Greene |
| Monardella odoratissima Benth. |
| Monardella pallida A.Heller |
| Monardella purpurea Howell |
| Monardella sheltonii Torr. ex Durand |
| Monardella subserrata Greene |
| Moneses uniflora (L.) A.Gray |
| Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Montia parvifolia (Moc. ex DC.) Greene |
| Myosotis asiatica (Vestergr.) Schischk. & Serg. |
| |
| Nama lobbii A.Gray |
| Nestotus lanuginosus (A.Gray) G.L.Nesom trib. Astereae |
| Nestotus stenophyllus (A.Gray) R.P.Roberts & al. trib. Astereae |
| Noccaea glauca (A.Nelson) Holub |
| Noccaea siskiyouense (P.K.Holmgren) P.M.Sl. |
| |
| Oenothera cespitosa Nutt. sect. Pachylophus |
| Oenothera deltoides Torr. & Frém. sect. Anogra |
| Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| Oenothera marginata Nutt. ex Hook. & Arn. sect. Pachylophus |
| Oenothera pallida Lindl. sect. Anogra |
| Oreocarya glomerata (Fraser ex Pursh) Greene |
| Oreocarya humilis (A.Gray) Greene |
| Oreocarya interrupta Greene |
| Oreocarya leucophaea (Douglas ex Lehm.) Greene |
| Oreocarya nubigena Greene |
| Oreocarya propria A.Nelson & J.F.Macbr. |
| Oreocarya schoolcraftii (Tiehm) R.B.Kelley |
| Oreocarya sobolifera (Payson) R.B.Kelley |
| Oreocarya spiculifera Piper |
| Oreocarya thompsonii (I.M.Johnst.) Abrams |
| Oreostemma alpigenum (Torr. & A.Gray) Greene trib. Astereae |
| Oreostemma andersonii (A.Gray) Greene trib. Astereae |
| Oreostemma haydenii (Porter) Greene trib. Astereae |
| Orthilia secunda (L.) House |
| Oxalis oregana Nutt. |
| Oxalis suksdorfii Trel. |
| Oxalis trilliifolia Hook. |
| Oxyria digyna (L.) Hill |
| Oxytropis cusickii Greenm. sect. Orobia |
| Oxytropis retrorsa Fernald sect. Mesogaea |
| Oxytropis sericea Nutt. trib. Galegeae |
| Oxytropis viscida Nutt. trib. Galegeae |
| Ozomelis stauropetala (Piper) Rydb. |
| Ozomelis trifida (Graham) Rydb. |
| |
| Packera cana (Hook.) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera flettii (Wiegand) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera hesperia (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera porteri (Greene) C.Jeffrey trib. Senecioneae |
| Packera subnuda (DC.) Trock & T.M.Barkley trib. Senecioneae |
| Paeonia brownii Douglas ex Hook. |
| Parnassia cirrata Piper |
| Parnassia fimbriata K.D.Koenig |
| Parnassia intermedia Rydb. |
| Parnassia palustris L. |
| Paxistima myrsinites (Pursh) Raf. |
| Pectiantia pentandra (Hook.) Rydb. |
| Pedicularis centranthera A.Gray |
| Pedicularis racemosa Douglas ex Benth. |
| Pedicularis semibarbata A.Gray |
| Penstemon acuminatus Douglas ex Lindl. sect. Coerulei |
| Penstemon anguineus Eastw. sect. Penstemon |
| Penstemon attenuatus Douglas sect. Penstemon |
| Penstemon azureus Benth. sect. Saccanthera |
| Penstemon barrettiae A.Gray sect. Erianthera |
| Penstemon berryi Eastw. sect. Erianthera |
| Penstemon brachyanthus Pennell sect. Penstemon |
| Penstemon cardwellii Howell sect. Erianthera |
| Penstemon cinicola D.D.Keck sect. Penstemon |
| Penstemon confertus Douglas sect. Penstemon |
| Penstemon cusickii A.Gray sect. Saccanthera |
| Penstemon davidsonii Greene sect. Erianthera |
| Penstemon dayanus Howell sect. Erianthera |
| Penstemon deustus Douglas sect. Penstemon |
| Penstemon douglasii Hook. sect. Erianthera |
| Penstemon elegantulus Pennell sect. Penstemon |
| Penstemon eriantherus Nutt. ex Pursh sect. Cristati |
| Penstemon euglaucus English sect. Penstemon |
| Penstemon formosus A.Nelson sect. Penstemon |
| Penstemon fruticosus (Pursh) Greene sect. Erianthera |
| Penstemon gairdneri Hook. sect. Penstemon |
| Penstemon glaucinus Pennell sect. Penstemon |
| Penstemon globosus (Piper) Pennell & D.D.Keck sect. Penstemon |
| Penstemon gracilentus A.Gray sect. Saccanthera |
| Penstemon heterander Torr. & A.Gray sect. Penstemon |
| Penstemon humilis Nutt. ex A.Gray sect. Penstemon |
| Penstemon janishiae N.H.Holmgren sect. Cristati |
| Penstemon kingii S.Watson sect. Saccanthera |
| Penstemon laetus A.Gray sect. Saccanthera |
| Penstemon miser A.Gray sect. Cristati |
| Penstemon oreganus (A.Gray) Howell sect. Penstemon |
| Penstemon oreocharis Greene sect. Penstemon |
| Penstemon palustris Pennell sect. Penstemon |
| Penstemon payettensis A.Nelson & J.F.Macbr. sect. Glabri |
| Penstemon peckii Pennell sect. Penstemon |
| Penstemon pennellianus D.D.Keck sect. Glabri |
| Penstemon perpulcher A.Nelson sect. Glabri |
| Penstemon praeteritus (Cronquist) P.M.Sl. sect. Erianthera |
| Penstemon pratensis Greene sect. Penstemon |
| Penstemon procerus Douglas ex Graham sect. Penstemon |
| Penstemon redactus (Pennel & D.D.Keck) P.M.Sl. sect. Erianthera |
| Penstemon roezlii Regel sect. Saccanthera |
| Penstemon rupicola (Piper) Howell sect. Erianthera |
| Penstemon seorsus (A.Nelson) D.D.Keck sect. Penstemon |
| Penstemon serrulatus Menzies sect. Saccanthera |
| Penstemon spatulatus Pennell sect. Penstemon |
| Penstemon speciosus Douglas sect. Glabri |
| Penstemon subserratus Pennell sect. Penstemon |
| Penstemon triphyllus Douglas sect. Saccanthera |
| Penstemon variabilis Suksd. sect. Penstemon |
| Penstemon venustus Douglas sect. Saccanthera |
| Penstemon wilcoxii Rydb. sect. Penstemon |
| Phacelia argentea A.Nelson & J.F.Macbr. |
| Phacelia corymbosa Jeps. |
| Phacelia frigida Greene |
| Phacelia hydrophylloides Torr. ex A.Gray |
| Phemeranthus spinescens (Torr.) Hershk. |
| Phlox aculeata A.Nelson Microphlox, Aculeatae |
| Phlox adsurgens Torr. ex A.Gray Alphaphlox, Stoloniferae |
| Phlox austromontana Coville Microphlox, Canescentes |
| Phlox caespitosa Nutt. Microphlox, Caespitosae |
| Phlox canescens Torr. & A.Gray Microphlox, Canescentes |
| Phlox colubrina Wherry & Constance Protophlox, Speciosae |
| Phlox costata Rydb. Microphlox, Multiflorae |
| Phlox densa Brand Microphlox, Canescentes |
| Phlox diffusa Benth. Microphlox, Canescentes |
| Phlox douglasii Hook. |
| Phlox hendersonii (E.E.Nelson) Cronquist Microphlox, Douglasianae |
| Phlox hoodii Richardson Microphlox, Canescentes |
| Phlox lanceolata E.E.Nelson Protophlox, Speciosae |
| Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox muscoides Nutt. Microphlox, Canescentes |
| Phlox pulvinata (Wherry) Cronquist Microphlox, Caespitosae |
| Phlox rigida Benth. Microphlox, Douglasianae |
| Phlox scleranthifolia Rydb. Microphlox, Canescentes |
| Phlox speciosa Pursh Protophlox, Speciosae |
| Phlox suksdorfii (Brand) H.St.John Protophlox, Speciosae |
| Phlox viscida E.E.Nelson Alphaphlox, Longifoliae |
| Phoenicaulis cheiranthoides Nutt. |
| Phyllodoce empetriformis (Sm.) D.Don |
| Phyllodoce glanduliflora (Hook.) Coville |
| Physaria cobrensis (Rollins & E.A.Shaw) N.H.Holmgren |
| Physaria diversifolia (Greene) P.M.Sl. |
| Physaria douglasii (S.Watson) O´Kane & Al-Shehbaz |
| Physaria geyeri (Hook.) A.Gray |
| Physaria chambersii Rollins |
| Physaria kingii (S.Watson) O´Kane & Al-Shehbaz |
| Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| Physaria oregona S.Watson |
| Pinguicula macroceras Pall. ex Link |
| Plagiobothrys mollis (A.Gray) I.M.Johnst. |
| Pleiacanthus spinosus (Nutt.) Rydb. trib. Cichorieae |
| Polemonium californicum Eastw. |
| Polemonium carneum A.Gray |
| Polemonium pulcherrimum Hook. |
| Polemonium viscosum Nutt. |
| Polyctenium fremontii (S.Watson) Greene |
| Polygonum paronychia Cham. & Schltdl. |
| Potentilla beneolens (A.Nelson & J.F.Macbr.) P.M.Sl. |
| Potentilla brevifolia Nutt. |
| Potentilla breweri S.Watson |
| Potentilla brownii (Rydb.) P.M.Sl. |
| Potentilla capitata (Lindl.) Greene |
| Potentilla caruifolia (Rydb.) Crum |
| Potentilla congesta (Douglas ex Hook.) Baill. |
| Potentilla cryptocaulis Clokey |
| Potentilla daucifolia Greene |
| Potentilla douglasii Greene |
| Potentilla drummondii Lehm. |
| Potentilla filicoides (Crum) P.M.Sl. |
| Potentilla flabellifolia Hook. ex Torr. & A.Gray |
| Potentilla flavescens (Rydb.) P.M.Sl. |
| Potentilla floraeana P.M.Sl. |
| Potentilla glaucophylla Lehm. |
| Potentilla hendersonii (Howell) J.T.Howell |
| Potentilla howellii Greene |
| Potentilla janaeana P.M.Sl. |
| Potentilla jepsonii Ertter |
| Potentilla millefolia Rydb. |
| Potentilla newberryi A.Gray |
| Potentilla ottonis P.M.Sl. |
| Potentilla ovina Macoun |
| Potentilla pseudocapitata (Rydb. ex Howell) P.M.Sl. |
| Potentilla rhypara (Ertter & Reveal) Mosyakin & Shiyan |
| Potentilla sericata (S.Watson) Greene |
| Potentilla shellyi (Ertter) P.M.Sl. |
| Potentilla shockleyi (S.Watson) Jeps. |
| Potentilla tilingii (Regel) Greene |
| Potentilla ursinorum (Jeps.) P.M.Sl. |
| Potentilla villosa Pall. ex Pursh |
| Primula austrofrigida (K.L.Chamb.) A.R.Mast & Reveal sect. Dodecatheon |
| Primula conjugens (Greene) A.R.Mast & Reveal sect. Dodecatheon |
| Primula cusickiana (A.Gray) A.Gray sect. Parryi |
| Primula cusickii (Greene) P.M.Sl. sect. Dodecatheon |
| Primula hendersonii (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| Primula jeffreyi (Van Houtte) A.R.Mast & Reveal sect. Dodecatheon |
| Primula latiloba (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| Primula pauciflora (Durand) A.R.Mast & Reveal sect. Dodecatheon |
| Primula poetica (L.F.Hend.) R.A.Mast & Reveal sect. Dodecatheon |
| Primula shoshonensis (A.Nelson) P.M.Sl. sect. Dodecatheon |
| Primula superba (Pennell & Stair) P.M.Sl. sect. Dodecatheon |
| Primula tetrandra (Suksd.) A.R.Mast & Reveal sect. Dodecatheon |
| Pulsatilla occidentalis (S.Watson) Freyn |
| Pyrola asarifolia Michx. |
| Pyrola bracteata Hook. |
| Pyrola crypta Jolles |
| Pyrola dentata Sm. |
| Pyrola chlorantha Sw. |
| Pyrola minor L. |
| Pyrola picta Sm. |
| Pyrrocoma carthamoides Hook. trib. Astereae |
| Pyrrocoma hirta (A.Gray) Greene trib. Astereae |
| Pyrrocoma howellii (A.Gray) Greene trib. Astereae |
| Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| |
| Raillardella argentea A.Gray trib. Madieae |
| Raillardella scaposa A.Gray trib. Madieae |
| Ranunculus andersonii A.Gray |
| Ranunculus californicus Benth. |
| Ranunculus ellipticus Greene |
| Ranunculus eschscholtzii Schltdl. |
| Ranunculus glaberrimus Hook. |
| Ranunculus gormanii Greene |
| Ranunculus populago Greene |
| Ranunculus trisectus Eastw. |
| Ranunculus triternatus A.Gray |
| Rhinotropis californica (Nutt.) J.R.Abbott |
| Rhodiola integrifolia Raf. |
| Rhysopterus plurijugus J.M.Coult. & Rose |
| Romanzoffia californica Greene |
| Romanzoffia sitchensis Bong. |
| Romanzoffia tracyi Jeps. |
| Rubus acaulis Michx. |
| Rubus nivalis Douglas ex Hook. |
| Rubus pedatus Sm. |
| Rumex venosus Pursh |
| |
| Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & Kad. |
| Sabulina fragilis (Maguire & A.H.Holmgren) P.M.Sl. |
| Sabulina gracilior P.M.Sl. |
| Sabulina gregaria (A.Heller) P.M.Sl. |
| Sabulina nuttallii (Pax) Dillenb. & Kadereit |
| Sabulina rubella (Wahlenb.) Dillenb. & Kadereit |
| Salix atra Rydb. |
| Salix boothii Dorn |
| Salix brachycarpa Nutt. |
| Salix nivalis Hook. |
| Salix petrophila Rydb. |
| Salix vestita Pursh |
| Salvia dorrii (Kellogg) Abrams |
| Sanicula arctopoides Hook. & Arn. |
| Sanicula laciniata Hook. & Arn. |
| Saxifraga austromontana Wiegand sect. Trachyphyllum |
| Saxifraga cespitosa L. sect. Saxifraga |
| Saxifraga hyperborea R.Br. sect. Mesogyne |
| Saxifraga oppositifolia L. sect. Porphyrion |
| Saxifraga vespertina (Small) Fedde sect. Trachyphyllum |
| Saxifragopsis fragarioides (Greene) Small |
| Scutellaria angustifolia Pursh |
| Scutellaria antirrhinoides Benth. |
| Scutellaria nana A.Gray |
| Scutellaria nevadensis Eastw. |
| Scutellaria tuberosa Benth. |
| Sedum ciliosum Howell |
| Sedum debile S.Watson |
| Sedum divergens S.Watson |
| Sedum heckneri M.Peck sect. Genuina |
| Sedum lanceolatum Torr. |
| Sedum laxum (Britton) A.Berger sect. Genuina |
| Sedum leibergii Britton |
| Sedum monanthum Suksd. |
| Sedum moranii R.T.Clausen sect. Genuina |
| Sedum nesioticum G.N.Jones |
| Sedum oblanceolatum R.T.Clausen |
| Sedum oreganum Nutt. |
| Sedum oregonense (S.Watson) M.E.Peck sect. Genuina |
| Sedum pruinosum Britton |
| Sedum spathulifolium Hook. |
| Sedum stenopetalum Pursh |
| Senecio fremontii Torr. & A.Gray trib. Senecioneae |
| Sericocarpus rigidus Lindl. |
| Schizotechium jamesianum (Torr.) Arabi, Rabeler & Zarre |
| Sibbaldia procumbens L. |
| Silene acaulis (L.) Jacq. |
| Silene bernardina S.Watson |
| Silene bolanderi A.Gray |
| Silene douglasii Hook. |
| Silene grayi S.Watson |
| Silene hookeri Nutt. |
| Silene lemmonii S.Watson |
| Silene menziesii Hook. |
| Silene oraria M.Peck |
| Silene oregana S.Watson |
| Silene parryi (S.Watson) C.L.Hitchc. & Maguire |
| Silene serpentinicola T.W.Nelson & J.P.Nelson |
| Silene suksdorfii B.L.Rob. |
| Smelowskia americana (Regel & Herder) Rydb. |
| Smelowskia ovalis M.E.Jones |
| Solidago multiradiata Aiton trib. Astereae |
| Solidago simplex var. nana (A.Gray) G.S.Ringius trib. Astereae |
| Solidago spathulata DC. trib. Astereae |
| Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |
| Stellaria humifusa Rottb. |
| Stellaria irrigua Bunge |
| Stenotus acaulis (Nutt.) Nutt. trib. Astereae |
| Stephanomeria lactucina A.Gray trib. Cichorieae |
| Suksdorfia violacea A.Gray |
| Sullivantia oregana S.Watson |
| Swertia perennis L. |
| Symphyotrichum apricum (A.Gray) P.M.Sl. trib. Astereae |
| Symphyotrichum campestre (Nutt.) G.L.Nesom trib. Astereae |
| Symphyotrichum parryi (D.C.Eaton) P.M.Sl. trib. Astereae |
| |
| Tanacetum bipinnatum (L.) Sch.Bip. trib. Anthemideae |
| Taraxacum ceratophorum (Ledeb.) DC. trib. Cichorieae |
| Taraxia ovata (Nutt.) Small |
| Taraxia subacaulis (Pursh) Rydb. |
| Taraxia tanacetifolia (Torr. & A.Gray) Piper |
| Tauschia howellii (J.M.Coult. & Rose) J.F.Macbr. |
| Tauschia stricklandii (J.M.Coult. & Rose) Mathias |
| Tellima grandiflora (Pursh) Douglas ex Lindl. |
| Tetradymia canescens DC. trib. Senecioneae |
| Thalictrum alpinum L. |
| Tiarella laciniata Hook. |
| Tiarella trifoliata L. |
| Tolmiea menziesii (Pursh) Torr. & A.Gray |
| Tonestus lyallii A.Nelson trib. Astereae |
| Townsendia florifera (Hook.) A.Gray trib. Astereae |
| Townsendia montana M.E.Jones trib. Astereae |
| Townsendia parryi Eaton trib. Astereae |
| Townsendia scapigera D.C.Eaton trib. Astereae |
| Trifolium arcuatum Piper trib. Trifolieae |
| Trifolium beckwithii W.H.Brewer ex S.Watson trib. Trifolieae |
| Trifolium caurinum Piper trib. Trifolieae |
| Trifolium elmeri Greene trib. Trifolieae |
| Trifolium eriocephalum Nutt. trib. Trifolieae |
| Trifolium gymnocarpon Nutt. trib. Trifolieae |
| Trifolium hansenii Greene trib. Trifolieae |
| Trifolium harneyensis Howell trib. Trifolieae |
| Trifolium latifolium (Hook.) Greene trib. Trifolieae |
| Trifolium leibergii A.Nels. & J.F.Macbr. trib. Trifolieae |
| Trifolium longipes Nutt. trib. Trifolieae |
| Trifolium macrocephalum (Pursh) Poir. trib. Trifolieae |
| Trifolium multipedunculatum P.B.Kenn. trib. Trifolieae |
| Trifolium oreganum Howell trib. Trifolieae |
| Trifolium rydbergii Greene trib. Trifolieae |
| |
| Vaccinium cespitosum Michx. |
| Vaccinium deliciosum Piper |
| Vaccinium membranaceum Douglas ex Torr. |
| Vaccinium oxycoccos L. |
| Vaccinium scoparium Leiberg ex Coville |
| Vancouveria hexandra C.Morren & Decne. |
| Vancouveria chrysantha Greene |
| Vancouveria planipetala Calloni |
| Veronica californica M.M.Mart.Ort. & Albach |
| Veronica cusickii A.Gray subgen. Veronica |
| Veronica missurica Raf. subgen. Synthyris |
| Veronica regina-nivalis M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica rubra (Douglas ex Hook.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica schizantha (Piper) M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica wormskjoldii Roem. & Schult. subgen. Veronica |
| Vesper purpurascens (A.Gray) R.L.Hartm. & G.L.Nesom |
| Viola adunca Sm. sect. Viola |
| Viola bakeri Greene |
| Viola beckwithii Torr. & A.Gray sect. Viola |
| Viola cuneata S.Watson sect. Viola |
| Viola douglasii Steud. sect. Viola |
| Viola glabella Nutt. sect. Chamaemelanium |
| Viola hallii A.Gray sect. Chamaemelanium |
| Viola howellii A.Gray |
| Viola langsdorfii Fisch. ex Ging. sect. Viola |
| Viola linguifolia Nutt. |
| Viola lobata Benth. sect. Viola |
| Viola macloskeyi F.E.Lloyd sect. Viola |
| Viola nephrophylla Greene sect. Viola |
| Viola occidentalis (A.Gray) Howell sect. Viola |
| Viola ocellata Torr. & A.Gray sect. Viola |
| Viola orbiculata (A.Gray) Geyer ex B.D.Jacks. sect. Viola |
| Viola praemorsa Douglas |
| Viola purpurea Kellogg |
| Viola quercetorum M.S.Baker & J.C.Clausen |
| Viola rugulosa Greene sect. Viola |
| Viola sempervirens Greene sect. Viola |
| Viola sheltonii Torr. sect. Viola |
| Viola trinervata (Howel) Howell ex A.Gray |
| Viola venosa (S.Watson) Rydb. |
| |
| Whipplea modesta Torr. |
| Wyethia angustifolia (DC.) Nutt. trib. Heliantheae |
| Wyethia helianthoides Nutt. trib. Heliantheae |
| Wyethia mollis A.Gray trib. Heliantheae |
| Wyethia sagittata (Pursh) Mabb. trib. Heliantheae |