| | |
| | Abronia mellifera Douglas ex Hook. |
| | Actaea rubra (Aiton) Willd. |
| | Agastache cusickii (Greenm.) A.Heller |
| | Agoseris aurantiaca (Hook.) Greene trib. Cichorieae |
| | Agoseris carnea Rydb. trib. Cichorieae |
| | Agoseris glauca (Pursh) Raf. trib. Cichorieae |
| | Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| | Agoseris parviflora (Nutt.) D.Dietr. trib. Cichorieae |
| | Amorpha nana C.Fraser trib. Psoraleeae |
| | Andromeda polifolia L. |
| | Androsace conservatorum (Björk) Giblin |
| | Androsace idahoensis (Douglass M.Hend.) Cubey |
| | Androsace lehmanniana Spreng. sect. Chamaejasme |
| | Androsace montana (A.Gray) Wendelbo |
| | Anelsonia eurycarpa (A.Gray) J.F.Macbr. & Payson |
| | Anemone cylindrica A.Gray |
| | Anemone drummondii S.Watson |
| | Anemone hudsoniana (DC.) Richardson |
| | Anemone lithophila Rydb. |
| | Anemone parviflora Michx. |
| | Anemone tetonensis Porter ex Britton |
| | Anemonoides piperi (Rydb.) Holub |
| | Antennaria anaphaloides Rydb. trib. Gnaphalieae |
| | Antennaria arcuata Cronquist trib. Gnaphalieae |
| | Antennaria arida E.E.Nelson trib. Gnaphalieae |
| | Antennaria aromatica Evert 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 howellii Greene trib. Gnaphalieae |
| | Antennaria lanata Greene |
| | Antennaria luzuloides Torr. & Gray trib. Gnaphalieae |
| | Antennaria media Greene trib. Gnaphalieae |
| | Antennaria microphylla Rydb. trib. Gnaphalieae |
| | Antennaria neodioica Greene trib. Gnaphalieae |
| | Antennaria parvifolia Nutt. trib. Gnaphalieae |
| | Antennaria pulcherrima (Hook.) Greene trib. Gnaphalieae |
| | Antennaria pulvinata Greene trib. Gnaphalieae |
| | Antennaria racemosa Hook. trib. Gnaphalieae |
| | Antennaria rosea Greene trib. Gnaphalieae |
| | Antennaria stenophylla (A.Gray) A.Gray trib. Gnaphalieae |
| | Antennaria umbrinella Rydb. trib. Gnaphalieae |
| | Aquilegia coerulea E.James |
| | Aquilegia flavescens S.Watson |
| | Aquilegia formosa Fisch. ex DC. |
| | Arabis crucisetosa Constance & Rollins |
| | Arabis nuttallii (Kuntze) B.L.Rob. |
| | Arctostaphylos uva-ursi (L.) Spreng. |
| | Arnica chamissonis Less. trib. Heliantheae |
| | Arnica cordifolia Hook. trib. Heliantheae |
| | Arnica fulgens Pursh trib. Heliantheae |
| | Arnica gracilis Rydb. trib. Heliantheae |
| | Arnica latifolia Bong. trib. Heliantheae |
| | Arnica parryi A.Gray trib. Heliantheae |
| | Arnica rydbergii Greene trib. Heliantheae |
| | Arnica sororia Greene trib. Heliantheae |
| | Artemisia arbuscula Nutt. trib. Anthemideae |
| | Artemisia borealis Pall. trib. Anthemideae |
| | Artemisia frigida Willd. trib. Anthemideae |
| | Artemisia longiloba (Osterh.) Beetle trib. Anthemideae |
| | Artemisia nova A.Nelson trib. Anthemideae |
| | Artemisia nuttallii (Torr. & A.Gray) Mosyakin & al. trib. Anthemideae |
| | Artemisia packardiae J.W.Grimes & Ertter trib. Anthemideae |
| | Artemisia papposa S.F.Blake & Cronquist trib. Anthemideae |
| | Artemisia parryi A.Gray trib. Anthemideae |
| | Artemisia pedatifida Nutt. 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 |
| | Artemisia viscidula Rydb. trib. Anthemideae |
| | Asarum caudatum Lindl. |
| | Asclepias davisii Woodson trib. Asclepiadeae |
| | Askellia pygmaea (Ledeb.) Sennikov trib. Cichorieae |
| | Aster culminis A.Nelson trib. Astereae |
| | Astragalus aboriginorum Richardson trib. Galegeae |
| | Astragalus agrestis Douglas ex G.Don sect. Hypoglottidei |
| | Astragalus alpinus L. sect. Komaroviella |
| | Astragalus amblytropis Barneby |
| | Astragalus amnis-amissi Barneby |
| | Astragalus anserinus N.D.Atwood, Goodrich & S.L.Welsh trib. Galegeae |
| | Astragalus aquilonius (Barneby) Barneby |
| | Astragalus argophyllus Nutt. |
| | Astragalus arrectus A.Gray |
| | Astragalus arthuri M.E.Jones |
| | Astragalus atratus S.Watson trib. Galegeae |
| | Astragalus bourgovii A.Gray |
| | Astragalus calycosus Torr. ex S.Watson |
| | Astragalus cibarius E.Sheld. |
| | Astragalus drummondii Douglas ex Hook. trib. Galegeae |
| | Astragalus eucosmus B.L.Rob. sect. Malacothrix |
| | Astragalus garrettii J.F.Macbr. trib. Galegeae |
| | Astragalus gilviflorus E.Sheld. trib. Galegeae |
| | Astragalus glareosus Douglas trib. Galegeae |
| | Astragalus hylophilus (Rydb.) A.Nelson trib. Galegeae |
| | Astragalus inflexus Douglas ex Hook. |
| | Astragalus iodanthus S.Watson trib. Galegeae |
| | Astragalus jejunus S.Watson |
| | Astragalus jessiae M.Peck trib. Galegeae |
| | Astragalus lentiginosus Douglas ex Hook. trib. Galegeae |
| | Astragalus leptaleus A.Gray trib. Galegeae |
| | Astragalus malacus A.Gray |
| | Astragalus merrillii (Rydb.) Tidestr. trib. Galegeae |
| | Astragalus microcystis A.Gray |
| | Astragalus miser Douglas ex Hook. trib. Galegeae |
| | Astragalus mulfordiae M.E.Jones |
| | Astragalus newberryi A.Gray trib. Galegeae |
| | Astragalus nudisiliquus A.Nelson trib. Galegeae |
| | Astragalus obscurus S.Watson trib. Galegeae |
| | Astragalus oniciformis Barneby |
| | Astragalus ophiogenes Barneby trib. Galegeae |
| | Astragalus paysonii (Rydb.) Barneby trib. Galegeae |
| | Astragalus platytropis A.Gray trib. Galegeae |
| | Astragalus purshii Douglas ex G.Don trib. Galegeae |
| | Astragalus reventus A.Gray trib. Galegeae |
| | Astragalus riparius Barneby |
| | Astragalus rydbergii J.F.Macbr. 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 sonneanus Greene trib. Galegeae |
| | Astragalus spaldingii A.Gray trib. Galegeae |
| | Astragalus spatulatus E.Sheld. |
| | Astragalus striatus Nutt. sect. Onobrychoidei |
| | Astragalus tegetarius S.Watson trib. Galegeae |
| | Astragalus terminalis S.Watson |
| | Astragalus tetrapterus A.Gray |
| | Astragalus utahensis (Torr.) Torr. & A.Gray |
| | Astragalus vexilliflexus E.Sheld. |
| | Astragalus whitneyi A.Gray trib. Galegeae |
| | Atriplex confertifolia (Torr. & Frémont) S.Watson |
| | |
| | Balsamorhiza hispidula W.M.Sharp trib. Heliantheae |
| | Balsamorhiza hookeri Nutt. trib. Heliantheae |
| | Balsamorhiza incana Nutt. trib. Heliantheae |
| | Berberis nervosa Pursh |
| | Berberis repens Lindl. |
| | Betula glandulosa Michx. |
| | Betula pumila L. |
| | Bistorta vivipara (L.) Delarbre |
| | Boechera cobrensis (M.E.Jones) Dorn |
| | Boechera cusickii (S.Watson) Al-Shehbaz |
| | Boechera drepanoloba (Greene) Windham & Al-Shehbaz |
| | Boechera lemmonii (S.Watson) W.A.Weber |
| | Boechera lyallii (S.Watson) Dorn |
| | Boechera macounii (S.Watson) Windham & Al-Shehbaz |
| | Boechera microphylla (Nutt. ex Torr. & A.Gray) Dorn |
| | Boechera paupercula (Greene) Windham & Al-Shehbaz |
| | Boechera pendulocarpa (A.Nelson) Windham & Al-Shehbaz |
| | Boechera rollinsiorum Windham & Al-Shehbaz |
| | Boechera saximontana (Rollins) Windham & 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 |
| | Brewerimitella breweri (A.Gray) R.A.Folk & Y.Okuyama |
| | Brickellia linifolia D.C.Eaton trib. Eupatorieae |
| | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| | Brickellia oblongifolia Nutt. trib. Eupatorieae |
| | |
| | Caltha leptosepala DC. |
| | Calyptridium umbellatum (Torr.) Greene |
| | Campanula parryi A.Gray |
| | Campanula scabrella Engelm. |
| | Cardamine breweri S.Watson |
| | Cardamine constancei Detling |
| | Cassiope mertensiana (Bong.) D.Don |
| | Castilleja angustifolia (Nutt.) G.Don |
| | Castilleja christii N.H.Holmgren |
| | Castilleja covilleana L.F.Hend. |
| | Castilleja flava S.Watson |
| | Castilleja flavescens Pennel ex Edwin |
| | Castilleja hispida Benth. |
| | Castilleja inverta (A.Nelson & J.F.Macbr.) Pennell & Ownbey |
| | Castilleja longispica A.Nelson |
| | Castilleja miniata Douglas ex Hook. |
| | Castilleja oresbia Greenm. |
| | Castilleja pallescens (A.Gray) Greenm. |
| | Castilleja pinetorum Fernald |
| | Castilleja pulchella Rydb. |
| | Castilleja rhexiifolia Rydb. |
| | Castilleja rustica Piper |
| | Castilleja viscida Rydb. |
| | Castilleja viscidula A.Gray |
| | Ceanothus prostratus Benth. |
| | Cerastium beeringianum Cham. & Schltdl. |
| | Chaenactis alpina (A.Gray) M.E.Jones |
| | Chaenactis douglasii Hook. & Arn. trib. Helenieae |
| | Chaenactis evermannii Greene 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 |
| | Chionophila tweedyi (Canby & Rose) L.F.Hend. trib. Cheloneae |
| | Chrysothamnus humilis Greene trib. Astereae |
| | Chrysothamnus lanceolatus Nutt. trib. Astereae |
| | Chrysothamnus viscidiflorus Nutt. trib. Astereae |
| | Cirsium tioganum (Congdon) Petr. trib. Cardueae |
| | Claytonia cordifolia S.Watson |
| | Claytonia lanceolata Pursh |
| | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| | Claytonia multiscapa Rydb. |
| | Claytonia sibirica L. |
| | Clematis columbiana (Nutt.) Torr. & A.Gray |
| | Clematis grosseserrata (Rydb.) Ackerf. |
| | Clematis hirsutissima Pursh |
| | Collomia debilis (S.Watson) Greene |
| | Conimitella williamsii (D.C.Eaton) Rydb. |
| | Coptis occidentalis (Nutt.) Torr. & A.Gray |
| | Cornus canadensis L. |
| | Cornus unalaschkensis Ledeb. |
| | Crepis bakeri Greene trib. Cichorieae |
| | Crepis modocensis Greene 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 glaucus Nutt. |
| | Cymopterus glomeratus (Nutt.) DC. |
| | Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| | Cymopterus ibapensis M.E.Jones |
| | Cymopterus longipes S.Watson |
| | Cymopterus nivalis S.Watson |
| | Cymopterus petraeus M.E.Jones |
| | |
| | Dalea ornata (Douglas ex Hook.) Eaton & Wright trib. Amorpheae |
| | Dalea purpurea Vent. trib. Amorpheae |
| | Dasiphora fruticosa (L.) Rydb. |
| | Delphinium andersonii A.Gray |
| | Delphinium bicolor Nutt. |
| | Delphinium depauperatum Nutt. |
| | Delphinium nuttallianum Pritz. ex Walp. |
| | Dicentra cucullaria (L.) Bernh. |
| | Dicentra uniflora Kellogg |
| | Draba albertina Greene |
| | Draba argyrea Rydb. sect. Chrysodraba |
| | Draba aurea Vahl ex Hornem. sect. Phyllodraba |
| | Draba cana Rydb. |
| | Draba crassifolia Graham |
| | Draba densifolia Nutt. sect. Chrysodraba |
| | Draba globosa Payson |
| | Draba hitchcockii Rollins |
| | Draba incerta Payson |
| | Draba lonchocarpa Rydb. sect. Leucodraba |
| | Draba novolympica Payson & H.St.John |
| | Draba oligosperma Hook. sect. Chrysodraba |
| | Draba oreibata J.F.Macbr. & Payson sect. Chrysodraba |
| | Draba sphaerocarpa J.F.Macbr. & Payson |
| | Draba trichocarpa Rollins |
| | Dryas hookeriana Juz. |
| | Drymocallis arguta (Pursh) Rydb. |
| | Drymocallis pseudorupestris (Rydb.) Rydb. |
| | |
| | Enceliopsis nudicaulis A.Nelson trib. Heliantheae |
| | Epilobium clavatum Trel. |
| | Epilobium fastigiatum (Nutt.) Piper |
| | Epilobium garrettii (A.Nelson) P.M.Sl. |
| | Epilobium glaberrimum Barbey |
| | Epilobium hallianum Hausskn. |
| | Epilobium lactiflorum Hausskn. |
| | Epilobium latifolium L. |
| | Epilobium leptocarpum Hausskn. |
| | Epilobium obcordatum A.Gray |
| | Epilobium oregonense Hausskn. |
| | Epilobium saximontanum Hausskn. |
| | Epilobium suffruticosum Nutt. |
| | Eremogone aculeata (S.Watson) Ikonn. |
| | Eremogone americana (Maguire) Ikonn. |
| | Eremogone cephaloidea (Rydb.) P.M.Sl. |
| | Eremogone congesta (Nutt.) Ikonn. |
| | Eremogone franklinii (Douglas ex Hook.) R.L.Hartm. & Rabeler |
| | Eremogone lithophila (Rydb.) P.M.Sl. |
| | Eremogone prolifera (Maguire) 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 montana (L.C.Anderson) P.M.Sl. 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 |
| | Ericameria winwardii (Dorn & Delmatier) R.P.Roberts & al. trib. Astereae |
| | Erigeron asperugineus A.Gray trib. Astereae |
| | Erigeron austiniae Greene trib. Astereae |
| | Erigeron bloomeri A.Gray trib. Astereae |
| | Erigeron caespitosus Nutt. trib. Astereae |
| | Erigeron compositus Pursh trib. Astereae |
| | Erigeron concinnus (Hook. & Arn.) Torr. & A.Gray trib. Astereae |
| | Erigeron corymbosus Nutt. trib. Astereae |
| | Erigeron coulteri Porter & J.M.Coult. trib. Astereae |
| | Erigeron disparipilus Cronquist trib. Astereae |
| | Erigeron eatonii A.Gray trib. Astereae |
| | Erigeron engelmannii A.Nelson trib. Astereae |
| | Erigeron evermannii Rydb. trib. Astereae |
| | Erigeron filifolius (Hook.) Nutt. trib. Astereae |
| | Erigeron flagellaris A.Gray trib. Astereae |
| | Erigeron glabellus Nutt. trib. Astereae |
| | Erigeron glacialis (Nutt.) A.Nelson trib. Astereae |
| | Erigeron gracilis Rydb. trib. Astereae |
| | Erigeron grandiflorus Hook. trib. Astereae |
| | Erigeron humilis Graham trib. Astereae |
| | Erigeron jonesii Cronquist trib. Astereae |
| | Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist trib. Astereae |
| | Erigeron leiomerus A.Gray trib. Astereae |
| | Erigeron linearis (Hook.) Piper trib. Astereae |
| | Erigeron nanus Nutt. trib. Astereae |
| | Erigeron nivalis Nutt. trib. Astereae |
| | Erigeron pacificus Howell |
| | Erigeron poliospermus A.Gray trib. Astereae |
| | Erigeron pumilus Nutt. trib. Astereae |
| | Erigeron radicatus Hook. trib. Astereae |
| | Erigeron rydbergii Cronquist trib. Astereae |
| | Erigeron salmonensis Brunsfeld & G.L.Nesom trib. Astereae |
| | Erigeron tener (A.Gray) A.Gray trib. Astereae |
| | Erigeron tweedyi Canby trib. Astereae |
| | Erigeron ursinus D.C.Eaton trib. Astereae |
| | Erigeron villosulus Greene trib. Astereae |
| | Erigeron watsonii (A.Gray) Cronquist trib. Astereae |
| | Eriogonum anserinum Greene sect. Eucycla |
| | Eriogonum bannockense (S.Stokes) R.J.Davis sect. Eucycla |
| | Eriogonum brevicaule Nutt. sect. Eucycla |
| | Eriogonum caespitosum Nutt. sect. Oligogonum |
| | Eriogonum calcareum (S.Stokes) Grady & Reveal sect. Eucycla |
| | Eriogonum chrysocephalum A.Gray 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 depressum (Blank.) Rydb. sect. Eucycla |
| | Eriogonum elatum Douglas ex Benth. sect. Eucycla |
| | Eriogonum ellipticum Nutt. sect. Oligogonum |
| | Eriogonum fasciculifolium A.Nelson sect. Oligogonum |
| | Eriogonum halimoides Gand. sect. Oligogonum |
| | Eriogonum heracleoides Nutt. sect. Oligogonum |
| | Eriogonum laxiflorum (Hook.) Nutt. ex Benth. |
| | Eriogonum mancum Rydb. sect. Eucycla |
| | Eriogonum microtheca Nutt. sect. Eucycla |
| | Eriogonum modocense Greene sect. Oligogonum |
| | Eriogonum niveum Douglas ex Benth. sect. Eucycla |
| | Eriogonum ovalifolium Nutt. sect. Eucycla |
| | Eriogonum piperi Greene sect. Oligogonum |
| | Eriogonum proliferum Torr. & A.Gray sect. Eucycla |
| | Eriogonum purpureum (Nutt.) Nutt. ex Benth. sect. Eucycla |
| | Eriogonum pyrolifolium Hook. sect. Oligogonum |
| | Eriogonum scopulorum Reveal |
| | Eriogonum shockleyi S.Watson sect. Eucycla |
| | Eriogonum simpsonii Benth. |
| | Eriogonum soliceps Reveal & Björk |
| | Eriogonum sphaerocephalum Douglas ex Benth. sect. Oligogonum |
| | Eriogonum strictum Benth. sect. Eucycla |
| | Eriogonum subalpinum Greene sect. Oligogonum |
| | Eriogonum thymoides Benth. sect. Oligogonum |
| | Eriogonum umbellatum Torr. sect. Oligogonum |
| | Eriophyllum integrifolium (Hook.) Greene trib. Helenieae |
| | Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| | Eritrichium argenteum W.Wight |
| | Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| | Eryngium alismifolium Greene |
| | Erysimum amoenum (Greene) Rydb. |
| | Erysimum capitatum (Douglas) Greene |
| | 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 |
| | Euphorbia brachycera Engelm. |
| | Eurybia aberrans (A.Nelson) G.L.Nesom trib. Astereae |
| | Eurybia merita (A.Nelson) G.L.Nesom trib. Astereae |
| | Eurybia sibirica (L.) G.L.Nesom trib. Astereae |
| | |
| | Frasera albicaulis Griseb. |
| | Frasera cusickii A.Gray |
| | Frasera fastigiata (Pursh) A.Heller |
| | Frasera montana Mulford |
| | |
| | Gaillardia aristata Pursh trib. Heliantheae |
| | Gaultheria hispidula (L.) Muhl. ex Bigelow |
| | Gaultheria humifusa (Graham) Rydb. |
| | Gaultheria ovatifolia A.Gray |
| | Gentiana affinis Griseb. sect. Pneumonanthe |
| | Gentiana calycosa Griseb. sect. Pneumonanthe |
| | Gentiana oregana Engl. ex 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 micrantha (Eastw.) J.L.Gentry |
| | Hackelia ophiobia R.L.Carr |
| | Hackelia patens (Nutt.) I.M.Johnst. |
| | Hedysarum boreale Nutt. trib. Hedysareae |
| | Hedysarum mackenzie Richardson trib. Hedysareae |
| | Hedysarum sulphurescens Rydb. trib. Hedysareae |
| | Hemieva ranunculifolia Raf. |
| | Hesperochiron nanus (Lindl.) Greene |
| | Hesperochiron pumilus (Griseb.) Porter |
| | Heterotheca depressa (Rydb.) Dorn trib. Astereae |
| | Heuchera cylindrica Douglas |
| | Heuchera gracilis Rydb. |
| | Heuchera grossulariifolia Rydb. |
| | Heuchera micrantha Douglas |
| | Heuchera parvifolia Nutt. |
| | Heuchera rubescens Torr. |
| | Hieracium triste Willd. ex Spreng. trib. Cichorieae |
| | Hulsea algida 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 |
| | Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker trib. Helenieae |
| | Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| | Hypericum scouleri Hook. sect. Hypericum |
| | |
| | Ionactis alpina (Nutt.) Greene trib. Astereae |
| | Ionactis stenomeres (A.Gray) Greene trib. Astereae |
| | Ipomopsis congesta (Hook.) V.E.Grant |
| | Ipomopsis spicata (Nutt.) V.E.Grant |
| | Ipomopsis tenuituba (Rydb.) V.E.Grant |
| | |
| | Kalmia microphylla (Hook.) A.Heller |
| | Kelseya uniflora (S.Watson) Rydb. |
| | Koenigia davisiae (W.H.Brewer) T.M.Schuster & Reveal |
| | Koenigia phytolaccifolia (Small) T.M.Schuster & Reveal |
| | Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit |
| | |
| | Lathyrus bijugatus T.G.White trib. Vicieae |
| | Lathyrus brachycalyx Rydb. trib. Vicieae |
| | Lathyrus rigidus T.G.White trib. Vicieae |
| | Lepidium davisii Rollins |
| | Lepidium montanum Nutt. |
| | Leptarrhena pyrolifolia (D.Don) Ser. |
| | Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson |
| | Lewisia columbiana (Howell ex A.Gray) B.L.Rob. sect. Cotyledon |
| | Lewisia kelloggii K.Brandegee sect. Pygmaea |
| | Lewisia nevadensis (A.Gray) B.L.Rob. sect. Pygmaea |
| | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| | Lewisia rediviva Pursh sect. Rediviva |
| | Lewisia wallowensis (C.L.Hitchc.) P.M.Sl. sect. Cotyledon |
| | Linanthus hookeri (Douglas ex Hook.) P.M.Sl. |
| | Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson |
| | Linanthus watsonii (A.Gray) Wherry |
| | Linum kingii S.Watson |
| | Linum lewisii Pursh |
| | Lithophragma glabrum Nutt. |
| | Lithophragma parviflorum (Hook.) Nutt. |
| | Lithophragma tenellum Nutt. |
| | Lobelia kalmii L. |
| | Lomatium ambiguum (Nutt.) J.M.Coult. & Rose |
| | Lomatium canbyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| | 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 fusiformis (S.Watson) J.F.Sm. & Mansfield |
| | Lomatium geyeri (S.Watson) J.M.Coult. & Rose |
| | Lomatium gormanii (Howell) J.M.Coult. & Rose |
| | Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium hendersonii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium inyoense Mathias & Constance |
| | Lomatium linearifolium (S.Watson) J.F.Sm. & Mansfield |
| | Lomatium macdougalii J.M.Coult. & Rose |
| | Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| | Lomatium orientale J.M.Coult. & Rose |
| | Lomatium piperi J.M.Coulter & Rose |
| | Lomatium sandbergii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium serpentinum (M.E.Jones) Mathias |
| | Lomatium tenuissimum (Geyer ex Hook.) M.A.Feist & Plunkett |
| | Luetkea pectinata (Pursh) Kuntze |
| | Lupinus argenteus Pursh trib. Genisteae |
| | Lupinus aridus Douglas trib. Genisteae |
| | Lupinus depressus Rydb. trib. Genisteae |
| | Lupinus evermannii Rydb. trib. Genisteae |
| | Lupinus fulvomaculatus Payson trib. Genisteae |
| | Lupinus holosericeus Nutt. trib. Genisteae |
| | Lupinus laxiflorus Douglass ex Lindl. trib. Genisteae |
| | Lupinus lobbii A.Gray ex S.Watson trib. Genisteae |
| | Lupinus minimus Douglas trib. Genisteae |
| | Lupinus monticola Rydb. trib. Genisteae |
| | Lupinus parviflorus Nutt. ex. Hook. & Arn. trib. Genisteae |
| | Lupinus saxosus Howell trib. Genisteae |
| | Lupinus sericeus Pursh trib. Genisteae |
| | Lupinus watsonii A.Heller trib. Genisteae |
| | Lygodesmia dianthopsis (D.C.Eaton) Tomb trib. Cichorieae |
| | Lygodesmia juncea (Pursh) D.Don ex Hook. trib. Cichorieae |
| | Lysimachia europaea (L.) U.Manns & Anderb. |
| | |
| | Melanocalyx uniflora (L.) Morin |
| | Mentzelia acerosa M.E.Jones |
| | Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray |
| | Mertensia bella Piper |
| | Mertensia brevistyla S.Watson |
| | Mertensia campanulata A.Nelson |
| | Mertensia ciliata (E.James ex Torr.) G.Don |
| | Mertensia longiflora Greene |
| | Mertensia oblongifolia (Nutt.) G.Don |
| | Mertensia paniculata (Aiton) G.Don |
| | Mertensia tweedyi Rydb. |
| | Micranthes apetala (Piper) Small sect. Micranthes |
| | Micranthes bryophora (A.Gray) Brouillet & Gornall sect. Arabisa |
| | Micranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa |
| | Micranthes fragosa (Suksd. ex Small) Small sect. Micranthes |
| | Micranthes idahoensis (Piper) Brouillet & Gornall sect. Dermasea |
| | Micranthes lyallii (Engl.) Small sect. Calthophyllum |
| | Micranthes mertensiana (Bong.) Rosend. |
| | Micranthes nidifica (Greene) Small sect. Micranthes |
| | Micranthes occidentalis (S.Watson) Small sect. Dermasea |
| | Micranthes oregana (Howell) Small sect. Micranthes |
| | Micranthes rhomboidea (Greene) Small sect. Micranthes |
| | Micranthes subapetala (E.Nelson) Small sect. Micranthes |
| | Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall sect. Intermediae |
| | Micromeria douglasii Benth. |
| | Microseris nigrescens L.F.Hend. trib. Cichorieae |
| | Microseris troximoides A.Gray trib. Cichorieae |
| | Mitella nuda L. |
| | Mitellastra caulescens (Nutt.) Howell |
| | Moehringia lateriflora (L.) Fenzl |
| | Monarda fistulosa L. |
| | Monarda menthifolia Graham |
| | Monardella glauca Greene |
| | Moneses uniflora (L.) A.Gray |
| | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| | Montia parvifolia (Moc. ex DC.) Greene |
| | Musineon hookeri (Torr. & A.Gray) Nutt. |
| | Musineon lineare (Rydb.) Mathias |
| | Myosotis asiatica (Vestergr.) Schischk. & Serg. |
| | |
| | Nestotus andersonii (Rydb.) P.M.Sl. trib. Astereae |
| | 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 idahoense (Payson) ined. |
| | |
| | Oenothera albicaulis Pursh sect. Anogra |
| | Oenothera cespitosa Nutt. sect. Pachylophus |
| | Oenothera coronopifolia Torr. & A.Gray sect. Kleinia |
| | Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| | Oenothera marginata Nutt. ex Hook. & Arn. sect. Pachylophus |
| | Oenothera pallida Lindl. sect. Anogra |
| | Oenothera psammophila (A.Nelson & J.F.Macbr.) Wagner et al. sect. Pachylophus |
| | Oreocarya breviflora Osterh. |
| | Oreocarya caespitosa A.Nelson |
| | Oreocarya flavoculata A.Nelson |
| | Oreocarya glomerata (Fraser ex Pursh) Greene |
| | Oreocarya humilis (A.Gray) Greene |
| | Oreocarya interrupta Greene |
| | Oreocarya nubigena Greene |
| | Oreocarya propria A.Nelson & J.F.Macbr. |
| | Oreocarya salmonensis A.Nelson & J.F.Macbr. |
| | Oreocarya sobolifera (Payson) R.B.Kelley |
| | Oreocarya spiculifera Piper |
| | Oreostemma haydenii (Porter) Greene trib. Astereae |
| | Orthilia secunda (L.) House |
| | Oxalis trilliifolia Hook. |
| | Oxyria digyna (L.) Hill |
| | Oxytropis argophylla (Rydb.) P.M.Sl. trib. Galegeae |
| | Oxytropis besseyi (Rydb.) Blank. trib. Galegeae |
| | Oxytropis columbiana H.St.John sect. Orobia |
| | Oxytropis foliolosa Hook. sect. Mesogaea |
| | Oxytropis lagopus Nutt. trib. Galegeae |
| | Oxytropis monticola A.Gray sect. Orobia |
| | Oxytropis parryi A.Gray trib. Galegeae |
| | Oxytropis retrorsa Fernald sect. Mesogaea |
| | Oxytropis sericea Nutt. trib. Galegeae |
| | Ozomelis stauropetala (Piper) Rydb. |
| | Ozomelis trifida (Graham) Rydb. |
| | |
| | Packera cana (Hook.) W.A.Weber & Á.Löve trib. Senecioneae |
| | Packera dimorphophylla (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| | Packera malmstenii (S.F.Blake ex Tidestr.) Kartesz trib. Senecioneae |
| | Packera subnuda (DC.) Trock & T.M.Barkley trib. Senecioneae |
| | Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve trib. Senecioneae |
| | Paeonia brownii Douglas ex Hook. |
| | Parnassia cirrata Piper |
| | Parnassia fimbriata K.D.Koenig |
| | Parnassia intermedia Rydb. |
| | Parnassia kotzebuei Cham. ex Spreng. |
| | Parnassia palustris L. |
| | Parnassia parviflora DC. |
| | Paxistima myrsinites (Pursh) Raf. |
| | Pectiantia pentandra (Hook.) Rydb. |
| | Pedicularis canbyi A.Gray |
| | Pedicularis racemosa Douglas ex Benth. |
| | Penstemon acuminatus Douglas ex Lindl. sect. Coerulei |
| | Penstemon aggregatus Pennell sect. Penstemon |
| | Penstemon albertinus Greene sect. Penstemon |
| | Penstemon aridus Rydb. sect. Penstemon |
| | Penstemon attenuatus Douglas sect. Penstemon |
| | Penstemon compactus (D.D.Keck) Crosswh. sect. Glabri |
| | Penstemon confertus Douglas sect. Penstemon |
| | Penstemon cusickii A.Gray sect. Saccanthera |
| | Penstemon cyananthus Hook. sect. Glabri |
| | Penstemon cyaneus Pennell sect. Glabri |
| | Penstemon deustus Douglas sect. Penstemon |
| | Penstemon diphyllus Rydb. sect. Saccanthera |
| | Penstemon elegantulus Pennell sect. Penstemon |
| | Penstemon ellipticus J.M.Coult. & Fisher sect. Erianthera |
| | Penstemon eriantherus Nutt. ex Pursh sect. Cristati |
| | Penstemon flavescens Pennell sect. Penstemon |
| | Penstemon fruticosus (Pursh) Greene sect. Erianthera |
| | Penstemon gairdneri Hook. sect. Penstemon |
| | Penstemon globosus (Piper) Pennell & D.D.Keck sect. Penstemon |
| | Penstemon humilis Nutt. ex A.Gray sect. Penstemon |
| | Penstemon idahoensis N.D.Atwood & S.L.Welsh sect. Glabri |
| | Penstemon janishiae N.H.Holmgren sect. Cristati |
| | Penstemon laxus A.Nelson sect. Penstemon |
| | Penstemon lemhiensis (D.D.Keck) D.D.Keck & Cronquist sect. Glabri |
| | Penstemon leonardii Rydb. sect. Saccanthera |
| | Penstemon lyallii (A.Gray) A.Gray sect. Erianthera |
| | Penstemon militaris Greene sect. Penstemon |
| | Penstemon miser A.Gray sect. Cristati |
| | Penstemon montanus Greene sect. Erianthera |
| | Penstemon nitidus Douglas ex Benth. sect. Coerulei |
| | Penstemon oreganus (A.Gray) Howell sect. Penstemon |
| | Penstemon oreocharis Greene sect. Penstemon |
| | Penstemon payettensis A.Nelson & J.F.Macbr. sect. Glabri |
| | Penstemon perpulcher A.Nelson sect. Glabri |
| | Penstemon pratensis Greene sect. Penstemon |
| | Penstemon procerus Douglas ex Graham sect. Penstemon |
| | Penstemon pseudoprocerus Rydb. sect. Penstemon |
| | Penstemon pumilus Nutt. sect. Cristati |
| | Penstemon radicosus A.Nelson sect. Penstemon |
| | Penstemon redactus (Pennel & D.D.Keck) P.M.Sl. sect. Erianthera |
| | Penstemon scouleri Douglas sect. Erianthera |
| | Penstemon seorsus (A.Nelson) D.D.Keck sect. Penstemon |
| | Penstemon speciosus Douglas sect. Glabri |
| | Penstemon subglaber Rydb. sect. Glabri |
| | Penstemon triphyllus Douglas sect. Saccanthera |
| | Penstemon venustus Douglas sect. Saccanthera |
| | Penstemon watsonii A.Gray sect. Penstemon |
| | Penstemon whippleanus A.Gray sect. Penstemon |
| | Penstemon wilcoxii Rydb. sect. Penstemon |
| | Petradoria pumila (Nutt.) Greene trib. Astereae |
| | Petrophytum caespitosum (Nutt.) Rydb. |
| | Phacelia lyallii (A.Gray) Rydb. |
| | Phacelia sericea (Graham) A.Gray |
| | Phlox aculeata A.Nelson Microphlox, Aculeatae |
| | Phlox albomarginata M.E.Jones Microphlox, Albomarginata |
| | 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 diapensioides Rydb. Microphlox, Albomarginata |
| | Phlox glabrata (E.E.Nelson) Brand Microphlox, Canescentes |
| | Phlox hoodii Richardson Microphlox, Canescentes |
| | Phlox kelseyi Britton Microphlox, Sibiricae |
| | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| | Phlox multiflora A.Nelson Microphlox, Multiflorae |
| | 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 viscida E.E.Nelson Alphaphlox, Longifoliae |
| | Phoenicaulis cheiranthoides Nutt. |
| | Phyllodoce empetriformis (Sm.) D.Don |
| | Physaria acutifolia Rydb. |
| | Physaria carinata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria chambersii Rollins |
| | Physaria cobrensis (Rollins & E.A.Shaw) N.H.Holmgren |
| | Physaria cordiformis Rollins |
| | Physaria didymocarpa (Hook.) A.Gray |
| | Physaria douglasii (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria integrifolia (Rollins) Lichvar |
| | Physaria kingii (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria lyrata (C.L.Hitchc.) P.M.Sl. |
| | Physaria multiceps (Maguire) O´Kane & Al-Shehbaz |
| | Physaria obdeltata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria oregona S.Watson |
| | Physaria paysonii (Rollins) O´Kane & Al-Shehbaz |
| | Physaria prostrata (A.Nelson) O´Kane & Al-Shehbaz |
| | Physaria pulchella (Rollins) O´Kane & Al-Shehbaz |
| | Physaria pycnantha Grady & O´Kane |
| | Pinguicula macroceras Pall. ex Link |
| | Pleiacanthus spinosus (Nutt.) Rydb. trib. Cichorieae |
| | Polemonium californicum Eastw. |
| | Polemonium lindleyi Wherry |
| | Polemonium pulcherrimum Hook. |
| | Polemonium viscosum Nutt. |
| | Polyctenium fremontii (S.Watson) Greene |
| | Potentilla beneolens (A.Nelson & J.F.Macbr.) P.M.Sl. |
| | Potentilla brevifolia Nutt. |
| | Potentilla capitata (Lindl.) Greene |
| | Potentilla decurrens (S.Watson) Rydb. |
| | Potentilla effusa Douglas ex Lehm. |
| | Potentilla flabellifolia Hook. ex Torr. & A.Gray |
| | Potentilla floraeana P.M.Sl. |
| | Potentilla glaucophylla Lehm. |
| | Potentilla gordonii (Hook.) Greene |
| | Potentilla hookeriana Lehm. |
| | Potentilla janaeana P.M.Sl. |
| | Potentilla jepsonii Ertter |
| | Potentilla multisecta (S.Watson) Rydb. |
| | Potentilla ovina Macoun |
| | Potentilla pensylvanica L. |
| | Potentilla perdissecta Rydb. |
| | Potentilla plattensis Nutt. |
| | Potentilla pseudocapitata (Rydb. ex Howell) P.M.Sl. |
| | Potentilla rubricaulis Lehm. |
| | Potentilla tweedyi (Rydb.) J..T.Howell |
| | Potentilla ursinorum (Jeps.) P.M.Sl. |
| | Potentilla wasatchensis (N.H.Holm. ex Errt. & Reveal) P.M.Sl. |
| | Primula alcalina Cholewa & Douglass M.Hend. sect. Farinosae |
| | 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 incana M.E.Jones sect. Farinosae |
| | Primula jeffreyi (Van Houtte) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula latiloba (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula parryi A.Gray sect. Parryi |
| | Primula pauciflora (Durand) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula shoshonensis (A.Nelson) P.M.Sl. sect. Dodecatheon |
| | Primula viscida (Piper) P.M.Sl. sect. Dodecatheon |
| | Psilostrophe bakeri Greene trib. Helenieae |
| | Pulsatilla nuttalliana (DC.) Bercht. & J.Presl |
| | Pulsatilla occidentalis (S.Watson) Freyn |
| | Pyrola asarifolia Michx. |
| | Pyrola bracteata Hook. |
| | Pyrola chlorantha Sw. |
| | Pyrola dentata Sm. |
| | Pyrola elliptica Nutt. |
| | 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 integrifolia (Porter ex A.Gray) Greene trib. Astereae |
| | Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| | |
| | Ranunculus adoneus A.Gray |
| | Ranunculus andersonii A.Gray |
| | Ranunculus digitatus Hook. |
| | Ranunculus ellipticus Greene |
| | Ranunculus eschscholtzii Schltdl. |
| | Ranunculus eximius Greene |
| | Ranunculus glaberrimus Hook. |
| | Ranunculus hyperboreus Rottb. |
| | Ranunculus inamoenus Greene |
| | Ranunculus populago Greene |
| | Ranunculus pygmaeus Wahlenb. |
| | Ranunculus suksdorfii A.Gray |
| | Ranunculus trisectus Eastw. |
| | Ranunculus triternatus A.Gray |
| | Rhodiola integrifolia Raf. |
| | Rhysopterus plurijugus J.M.Coult. & Rose |
| | Romanzoffia sitchensis Bong. |
| | Rubus nivalis Douglas ex Hook. |
| | Rubus pedatus Sm. |
| | Rumex venosus Pursh |
| | |
| | Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & Kad. |
| | Sabulina nuttallii (Pax) Dillenb. & Kadereit |
| | Sabulina rubella (Wahlenb.) Dillenb. & Kadereit |
| | Salix boothii Dorn |
| | Salix nivalis Hook. |
| | Salix petrophila Rydb. |
| | Salvia dorrii (Kellogg) Abrams |
| | Sandbergia perplexa (L.F.Hend.) Al-Shehbaz |
| | Saxifraga austromontana Wiegand sect. Trachyphyllum |
| | Saxifraga cernua L. sect. Mesogyne |
| | Saxifraga cespitosa L. sect. Saxifraga |
| | Saxifraga crandallii Gand. sect. Ciliatae |
| | Saxifraga hyperborea R.Br. sect. Mesogyne |
| | Saxifraga oppositifolia L. sect. Porphyrion |
| | Schizotechium jamesianum (Torr.) Arabi, Rabeler & Zarre |
| | Scutellaria angustifolia Pursh |
| | Scutellaria antirrhinoides Benth. |
| | Scutellaria nana A.Gray |
| | Scutellaria nevadensis Eastw. |
| | Sedum borschii (R.T.Clausen) R.T.Clausen |
| | Sedum debile S.Watson |
| | Sedum lanceolatum Torr. |
| | Sedum leibergii Britton |
| | Sedum rupicola G.N.Jones |
| | Sedum stenopetalum Pursh |
| | Senecio fremontii Torr. & A.Gray trib. Senecioneae |
| | Sibbaldia procumbens L. |
| | Silene acaulis (L.) Jacq. |
| | Silene bernardina S.Watson |
| | Silene douglasii Hook. |
| | Silene menziesii Hook. |
| | Silene oregana S.Watson |
| | Silene parryi (S.Watson) C.L.Hitchc. & Maguire |
| | Silene repens Patrin |
| | Silene sargentii S.Watson |
| | Smelowskia americana (Regel & Herder) Rydb. |
| | Solidago multiradiata Aiton trib. Astereae |
| | Solidago nana Nutt. trib. Astereae |
| | Sphaeralcea coccinea (Nutt.) Rydb. |
| | Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |
| | Stellaria irrigua Bunge |
| | Stenotus acaulis (Nutt.) Nutt. trib. Astereae |
| | Suksdorfia violacea A.Gray |
| | Sullivantia hapemanii J.M.Coult. |
| | Swertia perennis L. |
| | Symphyotrichum apricum (A.Gray) P.M.Sl. trib. Astereae |
| | Symphyotrichum campestre (Nutt.) G.L.Nesom trib. Astereae |
| | |
| | Taraxacum scopulorum (A.Gray) Rydb. trib. Cichorieae |
| | Taraxia breviflora (Torr. & A.Gray) Nutt. ex Small |
| | Taraxia subacaulis (Pursh) Rydb. |
| | Taraxia tanacetifolia (Torr. & A.Gray) Piper |
| | Tellima grandiflora (Pursh) Douglas ex Lindl. |
| | Tetradymia canescens DC. trib. Senecioneae |
| | Tetraneuris acaulis (Pursh) Greene trib. Helenieae |
| | Tetraneuris arizonica Greene trib. Helenieae |
| | Thalictrum alpinum L. |
| | Tiarella trifoliata L. |
| | Tonestus lyallii A.Nelson trib. Astereae |
| | Townsendia condensata Parry trib. Astereae |
| | Townsendia exscapa (Richardson) Porter trib. Astereae |
| | Townsendia florifera (Hook.) A.Gray trib. Astereae |
| | Townsendia hookeri Beaman trib. Astereae |
| | Townsendia leptotes (A.Gray) Osterh. 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 gymnocarpon Nutt. trib. Trifolieae |
| | Trifolium harneyensis Howell trib. Trifolieae |
| | Trifolium haydenii Porter trib. Trifolieae |
| | Trifolium latifolium (Hook.) Greene trib. Trifolieae |
| | Trifolium montanense Rydb. trib. Trifolieae |
| | Trifolium pedunculatum Rydb. trib. Trifolieae |
| | Trifolium rydbergii Greene trib. Trifolieae |
| | Trollius albiflorus (A.Gray) Rydb. |
| | |
| | Vaccinium cespitosum Michx. |
| | Vaccinium deliciosum Piper |
| | Vaccinium membranaceum Douglas ex Torr. |
| | Vaccinium oxycoccos L. |
| | Vaccinium scoparium Leiberg ex Coville |
| | Veronica cusickii A.Gray subgen. Veronica |
| | Veronica dissecta (Rydb.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica idahoensis M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica missurica Raf. subgen. Synthyris |
| | Veronica paysonii (Pennell) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica rubra (Douglas ex Hook.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica wormskjoldii Roem. & Schult. subgen. Veronica |
| | Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Vesper purpurascens (A.Gray) R.L.Hartm. & G.L.Nesom |
| | Viola adunca Sm. sect. Viola |
| | Viola beckwithii Torr. & A.Gray sect. Viola |
| | Viola canadensis L. sect. Viola |
| | Viola flavovirens Pollard |
| | Viola glabella Nutt. sect. Chamaemelanium |
| | Viola linguifolia Nutt. |
| | Viola macloskeyi F.E.Lloyd sect. Viola |
| | Viola nephrophylla Greene sect. Viola |
| | Viola nuttallii Pursh sect. Viola |
| | Viola orbiculata (A.Gray) Geyer ex B.D.Jacks. sect. Viola |
| | Viola renifolia A.Gray |
| | Viola rugulosa Greene sect. Viola |
| | Viola sempervirens Greene sect. Viola |
| | Viola sheltonii Torr. sect. Viola |
| | Viola utahensis M.S.Baker & J.C.Clausen |
| | Viola venosa (S.Watson) Rydb. |
| | |
| | Waldsteinia idahoensis Piper |
| | Wyethia helianthoides Nutt. trib. Heliantheae |
| | Wyethia sagittata (Pursh) Mabb. trib. Heliantheae |
| | |
| | Xanthisma grindelioides (Nutt.) D.R.Morgan & R.L.Hartm. trib. Astereae |