| |
| Abronia alpina Brandegee |
| Abronia elliptica A.Nelson |
| Abronia fragrans Nutt. ex Hook. |
| Abronia latifolia Eschsch. |
| Abronia mellifera Douglas ex Hook. |
| Abronia nana S.Watson |
| Acaena pinnatifida Ruiz & Pav. |
| Acmispon argophyllus (A.Gray) Brouillet trib. Loteae |
| Acmispon decumbens (Benth.) Govaerts trib. Loteae |
| Actaea rubra (Aiton) Willd. |
| Agastache cusickii (Greenm.) A.Heller |
| Ageratina shastensis (D.W.Taylor & Stebbins) M.King & H.Rob. trib. Eupatorieae |
| Agnorhiza bolanderi (A.Gray) W.A.Weber trib. Heliantheae |
| Agnorhiza ovata (Torr. & A.Gray) W.A.Weber trib. Heliantheae |
| Agoseris apargioides (Less.) Greene trib. Cichorieae |
| Agoseris aurantiaca (Hook.) Greene trib. Cichorieae |
| Agoseris glauca (Pursh) Raf. trib. Cichorieae |
| Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| Agoseris monticola Greene trib. Cichorieae |
| Agoseris parviflora (Nutt.) D.Dietr. trib. Cichorieae |
| Agoseris retrorsa (Benth.) Greene trib. Cichorieae |
| Achlys triphylla (Sm.) DC. |
| Aliciella caespitosa (A.Gray) J.M.Porter |
| Aliciella ripleyi (Barneby) J.M.Porter |
| Aliciella stenothyrsa (A.Gray) J.M.Porter |
| Aliciella subnuda (Torr. ex A.Gray) J.M.Porter |
| Amsonia jonesii Woodson trib. Vinceae |
| Amsonia tomentosa Torr. & Frém. trib. Vinceae |
| Andersonglossum occidentale (A.Gray) J.I.Cohen |
| Androsace lehmanniana Spreng. sect. Chamaejasme |
| Anelsonia eurycarpa (A.Gray) J.F.Macbr. & Payson |
| Anemonastrum deltoideum (Douglas) Mosyakinn |
| Anemone cylindrica A.Gray |
| Anemone drummondii S.Watson |
| Anemone parviflora Michx. |
| Anemone tuberosa Rydb. |
| Anemonoides oregana (A.Gray) Holub |
| Anemonoides piperi (Rydb.) Holub |
| Antennaria anaphaloides Rydb. trib. Gnaphalieae |
| Antennaria arcuata Cronquist trib. Gnaphalieae |
| Antennaria argentea Benth. trib. Gnaphalieae |
| Antennaria corymbosa E.E.Nelson trib. Gnaphalieae |
| Antennaria dimorpha (Nutt.) 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 (Hook.) Greene |
| Antennaria luzuloides Torr. & Gray trib. Gnaphalieae |
| Antennaria marginata Greene trib. Gnaphalieae |
| Antennaria media Greene trib. Gnaphalieae |
| Antennaria microphylla Rydb. trib. Gnaphalieae |
| Antennaria parvifolia Nutt. trib. Gnaphalieae |
| Antennaria pulchella Greene trib. Gnaphalieae |
| Antennaria pulcherrima (Hook.) Greene trib. Gnaphalieae |
| Antennaria racemosa Hook. trib. Gnaphalieae |
| Antennaria rosea (D.C.Eaton) Greene trib. Gnaphalieae |
| Antennaria rosulata Rydb. trib. Gnaphalieae |
| Antennaria soliceps S.F.Blake trib. Gnaphalieae |
| Antennaria stenophylla (A.Gray) A.Gray trib. Gnaphalieae |
| Antennaria suffrutescens Greene trib. Gnaphalieae |
| Antennaria umbrinella Rydb. trib. Gnaphalieae |
| Aquilegia barnebyi Munz |
| Aquilegia coerulea E.James |
| Aquilegia desertorum (M.E.Jones) Cockerell ex A.Heller |
| Aquilegia elegantula Greene |
| Aquilegia eximia Van Houtte ex Planch. |
| Aquilegia flavescens S.Watson |
| Aquilegia formosa Fisch. ex DC. |
| Aquilegia chrysantha A.Gray |
| Aquilegia longissima A.Gray ex S.Watson |
| Aquilegia micrantha Eastw. |
| Aquilegia pubescens Coville |
| Aquilegia scopulorum Tidestr. |
| Arabis blepharophylla Hook. & Arn. |
| Arabis mcdonaldiana Eastw. |
| Arabis modesta Rollins |
| Arabis nuttallii (Kuntze) B.L.Rob. |
| Arabis oregana Rollins |
| Arctomecon californica Torr. & Frém. |
| Arctomecon humilis Coville |
| Arctomecon merriamii Coville |
| Arctostaphylos klamathensis S.W.Edwards & al. |
| Arctostaphylos nevadensis A.Gray |
| Arctostaphylos nummularia ssp. mendocinoensis (P.V.Wells) Parker |
| Arctostaphylos pacifica Roof |
| Arctostaphylos pumila Nutt. |
| Arctostaphylos pungens Kunth |
| Arctostaphylos uva-ursi (L.) Spreng. |
| Arenaria lanuginosa var. saxosa (A.Gray) Maguire |
| Arnica cernua Howell trib. Heliantheae |
| Arnica cordifolia Hook. trib. Heliantheae |
| Arnica dealbata (A.Gray) B.G.Baldwin trib. Heliantheae |
| Arnica fulgens Pursh trib. Heliantheae |
| Arnica gracilis Rydb. trib. Heliantheae |
| Arnica nevadensis A.Gray trib. Heliantheae |
| Arnica parryi A.Gray trib. Heliantheae |
| Arnica rydbergii Greene trib. Heliantheae |
| Arnica spathulata Greene trib. Heliantheae |
| Arnica venosa H.M.Hall trib. Heliantheae |
| Arnica viscosa A.Gray trib. Heliantheae |
| Artemisia albicans Son.Garcia & al. trib. Anthemideae |
| Artemisia arbuscula Nutt. trib. Anthemideae |
| Artemisia bigelovii A.Gray trib. Anthemideae |
| Artemisia campestris ssp. borealis (Pall.) H.M.Hall & Clem. trib. Anthemideae |
| Artemisia cana Pursh trib. Anthemideae |
| Artemisia capitata (Nutt.) Són.Garcia & al. trib. Anthemideae |
| Artemisia carruthii Alph.Wood ex J.H.Carruth trib. Anthemideae |
| Artemisia constricta Són.Garcia & al. trib. Anthemideae |
| Artemisia frigida Willd. trib. Anthemideae |
| Artemisia inaequifolia Són.Garcia & al. 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 potentilloides A.Gray trib. Anthemideae |
| Artemisia pygmaea A.Gray trib. Anthemideae |
| Artemisia rothrockii A.Gray trib. Anthemideae |
| Artemisia ruthiae (A.H.Holmgren & al.) Són.Garcia & al. trib. Anthemideae |
| Artemisia scopulorum A.Gray trib. Anthemideae |
| Artemisia spinescens D.C.Eaton trib. Anthemideae |
| Asarum caudatum Lindl. |
| Asarum hartwegii S.Watson |
| Asarum lemmonii S.Watson |
| Asarum marmoratum Piper |
| Asclepias cryptoceras S.Watson trib. Asclepiadeae |
| Asclepias uncialis Greene 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 allochrous A.Gray |
| Astragalus alpinus L. sect. Komaroviella |
| Astragalus amphioxys A.Gray trib. Galegeae |
| Astragalus ampullarius S.Watson trib. Galegeae |
| Astragalus andersonii A.Gray trib. Galegeae |
| Astragalus anserinus N.D.Atwood, Goodrich & S.L.Welsh trib. Galegeae |
| Astragalus aretioides (M.E.Jones) Barneby |
| Astragalus argophyllus Torr. & A.Gray |
| Astragalus atratus S.Watson trib. Galegeae |
| Astragalus austiniae A.Gray trib. Galegeae |
| Astragalus beatleyae Barneby |
| Astragalus bodinii E.Sheld. trib. Galegeae |
| Astragalus bolanderi A.Gray |
| Astragalus brandegeei Porter & J.M.Coulter trib. Galegeae |
| Astragalus callithrix Barneby |
| Astragalus calycosus Torr. ex S.Watson |
| Astragalus castaneiformis S.Watson trib. Galegeae |
| Astragalus ceramicus E.Sheld. trib. Galegeae |
| Astragalus cibarius E.Sheld. |
| Astragalus cimae M.E.Jones trib. Galegeae |
| Astragalus cobrensis A.Gray trib. Galegeae |
| Astragalus coccineus (Parry) Brandegee |
| Astragalus consobrinus (Barneby) S.L.Welsh trib. Galegeae |
| Astragalus cremnophylax Barneby |
| Astragalus cronquistii Barneby |
| Astragalus cymboides M.E.Jones |
| Astragalus desereticus Barneby trib. Galegeae |
| Astragalus desperatus M.E.Jones trib. Galegeae |
| Astragalus detritalis M.E.Jones |
| Astragalus drummondii Douglas trib. Galegeae |
| Astragalus eastwoodiae M.E.Jones trib. Galegeae |
| Astragalus egglestonii (Rydb.) Kearney & Peebles trib. Galegeae |
| Astragalus ensiformis M.E.Jones trib. Galegeae |
| Astragalus ertterae Barneby & Shevock trib. Galegeae |
| Astragalus eurekensis M.E.Jones trib. Galegeae |
| Astragalus eurylobus (Barneby) Barneby trib. Galegeae |
| Astragalus flavus Nutt. |
| Astragalus funereus M.E.Jones |
| Astragalus gibbsii Kellogg |
| Astragalus gilensis Greene |
| Astragalus gilviflorus E.Sheld. trib. Galegeae |
| Astragalus hallii A.Gray |
| Astragalus hamiltonii Ced.Porter trib. Galegeae |
| Astragalus holmgreniorum Barneby trib. Galegeae |
| Astragalus humistratus A.Gray trib. Galegeae |
| Astragalus hypoxylus S.Watson trib. Galegeae |
| Astragalus chamaeleuce A.Gray |
| Astragalus chloodes Barneby |
| Astragalus chuskanus Barneby & Spellenb. |
| Astragalus jejunus S.Watson |
| Astragalus johannis-howellii Barneby |
| Astragalus kentrophyta A.Gray trib. Galegeae |
| Astragalus layneae Greene trib. Galegeae |
| Astragalus lentiformis A.Gray trib. Galegeae |
| Astragalus lentiginosus Douglas ex Hook. trib. Galegeae |
| Astragalus leucolobus Parry ex M.Jones trib. Galegeae |
| Astragalus limnocharis Barneby |
| Astragalus loanus Barneby trib. Galegeae |
| Astragalus lutosus M.E.Jones trib. Galegeae |
| Astragalus magdalenae Greene sect. Leucophysa |
| Astragalus malacus A.Gray |
| Astragalus megacarpus (Nutt.) A.Gray |
| Astragalus minthorniae (Rydb.) Jeps. |
| Astragalus miser Douglas trib. Galegeae |
| Astragalus moencoppensis M.E.Jones |
| Astragalus mollissimus Torr. |
| Astragalus monoensis Barneby trib. Galegeae |
| Astragalus monumentalis Barneby trib. Galegeae |
| Astragalus musiniensis M.E.Jones |
| Astragalus naturitensis Payson |
| Astragalus nelsonianus Barneby |
| Astragalus newberryi A.Gray trib. Galegeae |
| Astragalus nutans M.E.Jones trib. Galegeae |
| Astragalus obscurus S.Watson trib. Galegeae |
| Astragalus oophorus S.Watson trib. Galegeae |
| Astragalus panamintensis E.Sheld. ex Coult. trib. Galegeae |
| Astragalus perianus Barneby trib. Galegeae |
| Astragalus pinonis M.E.Jones trib. Galegeae |
| Astragalus piscator Barneby & S.L.Welsh trib. Galegeae |
| Astragalus piutensis Barneby & Mabb. trib. Galegeae |
| Astragalus platytropis A.Gray trib. Galegeae |
| Astragalus pubentissimus Torr. & A.Gray |
| Astragalus pulsiferae A.Gray |
| Astragalus purshii Douglas ex G.Don trib. Galegeae |
| Astragalus recurvus Greene trib. Galegeae |
| Astragalus sabulosus M.E.Jones trib. Galegeae |
| Astragalus salmonis M.E.Jones |
| Astragalus saurinus Barneby trib. Galegeae |
| Astragalus serpens M.E.Jones trib. Galegeae |
| Astragalus sesquiflorus S.Watson trib. Galegeae |
| Astragalus shevockii Barneby |
| Astragalus sophoroides M.E.Jones trib. Galegeae |
| Astragalus spatulatus E.Sheld. |
| Astragalus straturensis M.E.Jones trib. Galegeae |
| Astragalus striatiflorus M.E.Jones trib. Galegeae |
| Astragalus subcinereus A.Gray trib. Galegeae |
| Astragalus subvestitus (Jeps.) Barneby |
| Astragalus tegetarioides M.E.Jones trib. Galegeae |
| Astragalus tephrodes A.Gray trib. Galegeae |
| Astragalus tetrapterus A.Gray |
| Astragalus thurberi A.Gray trib. Galegeae |
| Astragalus tidestromii (Rydb.) Clokey trib. Galegeae |
| Astragalus tiehmii Barneby trib. Galegeae |
| Astragalus troglodytus S.Watson trib. Galegeae |
| Astragalus uncialis Barneby trib. Galegeae |
| Astragalus utahensis (Torr.) Torr. & A.Gray |
| Astragalus webberi A.Gray trib. Galegeae |
| Astragalus welshii Barneby |
| Astragalus wetherillii M.E.Jones |
| Astragalus whitneyi A.Gray trib. Galegeae |
| Astragalus wingatanus S.Watson |
| Astragalus wootonii E.Sheld. trib. Galegeae |
| Astragalus zionis M.E.Jones |
| Atriplex confertifolia (Torr. & Frémont) S.Watson |
| Atriplex corrugata S.Watson |
| |
| Balsamorhiza deltoidea Nutt. trib. Heliantheae |
| Balsamorhiza hispidula W.M.Sharp trib. Heliantheae |
| Balsamorhiza hookeri Nutt. trib. Heliantheae |
| Balsamorhiza incana Nutt. trib. Heliantheae |
| Balsamorhiza lanata (W.M.Sharp) W.A.Weber trib. Heliantheae |
| Balsamorhiza macrolepis W.M.Sharp trib. Heliantheae |
| Balsamorhiza sagittata (Pursh) Nutt. 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 bodiensis (Rollins) Al-Shehbaz |
| Boechera breweri (S.Watson) Al-Shehbaz |
| Boechera cobrensis (M.E.Jones) Dorn |
| Boechera constancei (Rollins) Al-Shehbaz |
| Boechera cusickii (S.Watson) Al-Shehbaz |
| Boechera davidsonii (Greene) N.H.Holmgren |
| Boechera depauperata (A.Nelson) Windham & Al-Shehbaz |
| Boechera dispar (M.E.Jones) Al-Shehbaz |
| Boechera drepanoloba (Greene) Windham & Al-Shehbaz |
| Boechera duchesnensis (Rollins) Windham & al. |
| Boechera elkoensis Windham & Al-Shehbaz |
| Boechera evadens Windham & Al-Shehbaz |
| Boechera falcatoria (Rollins) Dorn |
| Boechera fernaldiana (Rollins) W.A.Weber |
| Boechera glaucovalvula (M.E.Jones) Al-Shehbaz |
| Boechera harrisonii (S.L.Welsh) Windham & Al-Shehbaz |
| Boechera howellii (S.Watson) Windham & Al-Shehbaz |
| Boechera inyoensis (Rollins) Al-Shehbaz |
| Boechera johnstonii (Munz) Al-Shehbaz |
| Boechera koehleri (Howell) Al-Shehbaz |
| Boechera lasiocarpa (Rollins) Dorn |
| Boechera lemmonii (S.Watson) W.A.Weber |
| Boechera lincolnensis Windham & Al-Shehbaz |
| Boechera lyallii (S.Watson) Dorn |
| Boechera microphylla (Nutt.) Dorn |
| Boechera nevadensis (Tidestr.) Windham & Al-Shehbaz |
| Boechera ophira (Rollins) Al-Shehbaz |
| Boechera parishii (S.Watson) Al-Shehbaz |
| Boechera paupercula (Greene) Windham & Al-Shehbaz |
| Boechera peirsonii Windham & Al-Shehbaz |
| Boechera pendulina (Greene) W.A.Weber |
| Boechera pendulocarpa (A.Nelson) Windham & Al-Shehbaz |
| Boechera perennans (S.Watson) W.A.Weber |
| Boechera pinzliae (Rollins) Al-Shehbaz |
| Boechera platysperma (A.Gray) Al-Shehbaz |
| Boechera pulchra (M.E.Jones ex S.Watson) W.A.Weber |
| Boechera pygmaea (Rollins) Al-Shehbaz |
| Boechera rigidissima (Rollins) Al-Shehbaz |
| Boechera rollei (Rollins) Al-Shehbaz |
| Boechera serpentinicola Windham & Al-Shehbaz |
| Boechera shevockii Windham & Al-Shehbaz |
| Boechera shockleyi (Munz) Dorn |
| Boechera schistacea (Rollins) Dorn |
| Boechera sparsiflora (Nutt.) Dorn |
| Boechera subpinnatifida (S.Watson) Al-Shehbaz |
| Boechera suffrutescens (S.Watson) Dorn |
| Boechera tiehmii (Rollins) Al-Shehbaz |
| Boechera ultraalsa Windham & Al-Shehbaz |
| Boechera yorkii S.Boyd |
| Bolandra californica A.Gray |
| Boykinia major A.Gray |
| Boykinia occidentalis Torr. & A.Gray |
| Boykinia rotundifolia Parry ex A.Gray |
| Brickellia atractyloides A.Gray trib. Eupatorieae |
| Brickellia greenei A.Gray trib. Eupatorieae |
| Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| Brickellia nevinii A.Gray trib. Eupatorieae |
| Brickellia oblongifolia Nutt. trib. Eupatorieae |
| Brickellia parvula A.Gray trib. Eupatorieae |
| Buddleja utahensis Coville |
| |
| Cacaliopsis nardosmia (A.Gray) A.Gray trib. Senecioneae |
| Callirhoe involucrata (Torr. & A.Gray) A.Gray |
| Caltha leptosepala DC. |
| Calyptridium monospermum Greene |
| Calyptridium umbellatum (Torr.) Greene |
| Calystegia malacophylla (Greene) Munz |
| Calystegia subacaulis Hook. & Arn. |
| Camissonia breviflora (Torr. & A.Gray) P.H.Raven |
| Camissonia ovata (Nutt.) P.H.Raven |
| Camissonia subacaulis (Pursh) P.H.Raven |
| Camissonia tanacetifolia (Torr. & A.Gray) P.H.Raven |
| Camissoniopsis cheiranthifolia (Hornem.) W.L.Wagner & Hoch |
| Campanula californica (Kellogg) A.Heller |
| Campanula parryi A.Gray |
| Campanula scabrella Engelm. |
| Campanula scouleri Hook. ex A.DC. |
| Campanula shetleri Heckard |
| Campanula uniflora L. |
| Campanula wilkinsiana Greene |
| Cardamine bellidifolia L. |
| Cardamine breweri S.Watson |
| Cardamine nuttallii Greene |
| Cardamine pachystigma (S.Watson) Rollins |
| Cascadia nuttallii (Small) A.M.Johnson |
| Cassiope mertensiana (Bong.) D.Don |
| Castilleja angustifolia (Nutt.) G.Don |
| Castilleja applegatei Fernald |
| Castilleja aquariensis N.H.Holmgren |
| Castilleja arachnoidea Greenm. |
| Castilleja cinerea A.Gray |
| Castilleja flava S.Watson |
| Castilleja haydenii (A.Gray) Cockerell |
| Castilleja integra A.Gray |
| Castilleja lanata A.Gray |
| Castilleja lemmonii A.Gray |
| Castilleja martini Abrams |
| Castilleja miniata Douglas ex Hook. |
| Castilleja nana Eastw. |
| Castilleja occidentalis Torr. |
| Castilleja pallescens (A.Gray) Greenm. |
| Castilleja parvula Rydb. |
| Castilleja pilosa (S.Watson) Rydb. |
| Castilleja pulchella Rydb. |
| Castilleja revealii N.H.Holmgren |
| Castilleja rhexiifolia Rydb. |
| Castilleja scabrida Eastw. |
| Castilleja schizotricha Greenm. |
| Castilleja viscidula A.Gray |
| Ceanothus arcuatus McMinn |
| Ceanothus confusus J.T.Howell |
| Ceanothus cordulatus Kellogg |
| Ceanothus diversifolius Kellogg |
| Ceanothus fendleri A.Gray |
| Ceanothus foliosus Parry |
| Ceanothus fresnensis Dudley ex Abrams |
| Ceanothus gloriosus J.T.Howell |
| Ceanothus hearstiorum Hoover & Roof |
| Ceanothus integerrimus Hook. & Arn. |
| Ceanothus jepsonii Greene |
| Ceanothus lemmonii Parry |
| Ceanothus martini M.E.Jones |
| Ceanothus parvifolius (S.Watson) Trel. |
| Ceanothus prostratus Benth. |
| Ceanothus pumilus Greene |
| Ceanothus roderickii W.Knight |
| Ceanothus velutinus Douglas |
| Cerastium beeringianum Cham. & Schltdl. |
| Cirsium scariosum var. americanum (A.Gray) D.J.Keil trib. Cardueae |
| Cirsium scariosum var. congdonii (R.J.Moore) D.J.Keil trib. Cardueae |
| Claytonia cordifolia S.Watson |
| Claytonia lanceolata Pall. ex Pursh |
| Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| Claytonia nevadensis S.Watson |
| Claytonia rosea Rydb. |
| Claytonia sibirica L. |
| Claytonia umbellata S.Watson |
| Clematis bigelovii Torr. |
| Clematis columbiana (Nutt.) Torr. & A.Gray |
| Clematis hirsutissima Pursh |
| Clematis occidentalis var. grosseserrata (Rydb.) Pringle |
| Clinopodium mimuloides (Benth.) Kuntze |
| Collomia debilis (S.Watson) Greene |
| Collomia rawsoniana Greene |
| Coptis laciniata A.Gray |
| Corethrogyne filaginifolia (Hook. & Arn.) Nutt. trib. Astereae |
| Cornus unalaschkensis Ledeb. |
| Crepis bakeri Greene trib. Cichorieae |
| Crepis modocensis Greene trib. Cichorieae |
| Crepis monticola Coville trib. Cichorieae |
| Crepis occidentalis Nutt. trib. Cichorieae |
| Crocanthemum greenei (B.L.Rob.) Sorrie |
| Crocanthemum scoparium (Nutt.) Millsp. |
| Crocanthemum suffrutescens (B.Schreib.) Sorrie |
| Cryptantha abata I.M.Johnst. |
| Cuniculotinus gramineus (H.M.Hall) Urbatsch. & al. trib. Astereae |
| Cusickiella douglasii (A.Gray) Rollins |
| Cusickiella quadricostata (Rollins) Rollins |
| Cycladenia humilis Benth. |
| Cymopterus aboriginum M.E.Jones |
| Cymopterus alpinus A.Gray |
| Cymopterus basalticus M.E.Jones |
| Cymopterus cinerarius A.Gray |
| Cymopterus coulteri (M.E.Jones) Mathias |
| Cymopterus davidsonii (J.M.Coult. & Rose) R.L.Hartm. |
| Cymopterus deserticola Brandegee |
| Cymopterus duchesnensis M.E.Jones |
| Cymopterus evertii L.R.Hartm. & R.S.Kirkp. |
| Cymopterus gilmanii C.V.Morton |
| Cymopterus globosus (S.Watson) S.Watson |
| Cymopterus glomeratus (Nutt.) DC. |
| Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| Cymopterus jonesii J.M.Coult. & Rose |
| Cymopterus lapidosus (M.E.Jones) M.E.Jones |
| Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| Cymopterus longipes S.Watson |
| Cymopterus macdougalii (J.M.Coult. & Rose) Tidestr. |
| Cymopterus megacephalus M.E.Jones |
| Cymopterus minimus (Mathias) Mathias |
| Cymopterus newberryi (S.Watson) M.E.Jones |
| Cymopterus nivalis S.Watson |
| Cymopterus panamintensis J.M.Coult. & Rose |
| Cymopterus petraeus M.E.Jones |
| Cymopterus purpureus S.Watson |
| Cymopterus ripleyi Barneby |
| Cymopterus rosei (M.E.Jones) M.E.Jones |
| Cymopterus terebinthinus var. albiflorus (Nutt.) M.E.Jones |
| |
| Dalea aurea Nutt. ex Pursh trib. Amorpheae |
| Dalea flavescens (S.Watson) S.L.Welsh trib. Amorpheae |
| Dalea formosa Torr. trib. Amorpheae |
| Dalea jamesii (Torr.) Torr. & A.Gray trib. Amorpheae |
| Dalea lachnostachys A.Gray trib. Amorpheae |
| Dalea lumholtzii C.B.Rob. & Fernald trib. Amorpheae |
| Dalea mollis Benth. trib. Amorpheae |
| Dalea mollissima (Rydb.) Munz trib. Amorpheae |
| Dalea nana Torr. ex A.Gray trib. Amorpheae |
| Dalea neomexicana (A.Gray) Cory trib. Amorpheae |
| Dalea ornata (Douglas) Eaton & Wright trib. Amorpheae |
| Dalea pogonanthera A.Gray trib. Amorpheae |
| Dalea purpurea Vent. trib. Amorpheae |
| Dalea rubescens S.Watson trib. Amorpheae |
| Dalea wrightii A.Gray trib. Amorpheae |
| Dasiphora fruticosa (L.) Rydb. |
| Delphinium andersonii A.Gray |
| Delphinium antoninum Eastw. |
| Delphinium decorum Fisch. & C.A.Mey. |
| Delphinium depauperatum Nutt. |
| Delphinium gracilentum Greene |
| Delphinium luteum A.Heller |
| Delphinium nudicaule Torr. & A.Gray |
| Delphinium nuttallianum Pritz. |
| Delphinium patens Benth. |
| Delphinium scaposum Greene |
| Delphinium variegatum Torr. & A.Gray |
| Delwiensia pattersonii (A.Gray) W.A.Weber & R.C.Wittmann trib. Anthemideae |
| Dicentra formosa (Andrews) Walp. |
| Dicentra nevadensis Eastw. |
| Dicentra pauciflora S.Watson |
| Dicentra uniflora Kellogg |
| Diplacus aridus Abrams |
| Diplacus aurantiacus (Curtis) Jeps. |
| Diplacus clevelandii (Brandegee) Greene |
| Diplacus grandiflorus (Lindl.) Groenl. |
| Diplacus linearis (Benth.) Greene |
| Diplacus longiflorus Nutt. |
| Diplacus parviflorus Greene |
| Diplacus rupicola (Coville & A.L.Grant) G.L.Nesom & Fraga |
| Diplacus rutilus (A.L.Grant) McMinn |
| Draba abajoensis Windham & Al-Shehbaz |
| Draba albertina Greene |
| Draba arida C.L.Hitchc. |
| Draba asprella Greene sect. Chrysodraba |
| Draba asterophora Payson sect. Chrysodraba |
| Draba aurea Vahl ex Hornem. sect. Phyllodraba |
| Draba aureola S.Watson sect. Phyllodraba |
| Draba breweri S.Watson sect. Leucodraba |
| Draba burkei (C.L.Hitchc.) Windham & Beilstein |
| Draba californica (Jeps.) Rollins & R.A.Price |
| Draba cana Rydb. |
| Draba carnosula O.E.Schulz |
| Draba corrugata S.Watson sect. Phyllodraba |
| Draba crassa Rydb. sect. Phyllodraba |
| Draba crassifolia Graham |
| Draba cruciata Payson sect. Chrysodraba |
| Draba densifolia Nutt. sect. Chrysodraba |
| Draba fladnizensis Wulfen sect. Leucodraba |
| Draba globosa Payson |
| Draba howellii S.Watson sect. Chrysodraba |
| Draba incerta Payson |
| Draba incrassata (Rollins) Rollins & R.A.Price |
| Draba inexpectata S.L.Welsh |
| Draba jaegeri Munz & I.M.Johnst. |
| Draba kassii S.L.Welsh |
| Draba lemmonii S.Watson sect. Chrysodraba |
| Draba lonchocarpa Rydb. sect. Leucodraba |
| Draba maguirei C.L.Hitchc. |
| Draba monoensis Rollins & R.A.Price |
| Draba novolympica Payson & H.St.John |
| Draba oligosperma Hook. sect. Chrysodraba |
| Draba paucifructa Clokey & C.L.Hitchc. |
| Draba pectinipila Rollins |
| Draba pedicellata (Rollins & R.A.Price) Windham |
| Draba pennellii Rollins |
| Draba petrophila Greene |
| Draba pterosperma Payson sect. Chrysodraba |
| Draba ramosissima Desv. |
| Draba ramulosa Rollins |
| Draba saxosa Davidson |
| Draba serpentina (Tiehm & P.K.Holmgren) Al-Shehbaz |
| Draba sharsmithii Rollins & R.A.Price |
| Draba sierrae Sharsm. |
| Draba sobolifera Rydb. sect. Chrysodraba |
| Draba sphaeroides Payson |
| Draba standleyi J.F.Macbr. & Payson |
| Draba subalpina Goodman & C.L.Hitchc. |
| Draba subumbellata Rollins & R.A.Price |
| Draba ventosa A.Gray sect. Chrysodraba |
| Draba viridis A.Heller |
| Draba zionensis C.L.Hitchc. |
| Drymocallis cuneifolia var. ewanii (D.D.Keck) Ertter |
| Drymocallis fissa (Nutt.) Rydb. |
| Drymocallis pseudorupestris (Rydb.) Rydb. |
| Dudleya abramsii Rose |
| Dudleya arizonica Rose |
| Dudleya attenuata (S.Watson) Moran |
| Dudleya blochmaniae (Eastw.) Moran |
| Dudleya brevifolia (Moran) Moran |
| Dudleya caespitosa (Haw.) Britton & Rose |
| Dudleya candelabrum Rose |
| Dudleya cymosa (Lem.) Britton & Rose |
| Dudleya densiflora (Rose) Moran |
| Dudleya edulis (Nutt.) Moran |
| Dudleya farinosa (Lindl.) Britton & Rose |
| Dudleya gnoma S.McCabe |
| Dudleya greenei Rose |
| Dudleya lanceolata (Nutt.) Britton & Rose |
| Dudleya multicaulis (Rose) Moran |
| Dudleya nesiotica (Moran) Moran |
| Dudleya palmeri (S.Watson) Britton & Rose |
| Dudleya parva Rose & Davidson |
| Dudleya pulverulenta (Nutt.) Britton & Rose |
| Dudleya saxosa (M.E.Jones) Britton & Rose |
| Dudleya stolonifera Moran |
| Dudleya traskiae (Rose) Moran |
| Dudleya variegata (S.Watson) Moran |
| Dudleya verityi K.M.Nakai |
| Dudleya virens (Rose) Moran |
| Dudleya viscida (S.Watson) Moran |
| |
| Ehrendorferia chrysantha (Hook. & Arn.) Rylander |
| Ehrendorferia ochroleuca (Engelm.) Fukuhara |
| Empetrum nigrum L. |
| Encelia nutans Eastw. trib. Heliantheae |
| Enceliopsis argophylla (D.C.Eaton) A.Nelson trib. Heliantheae |
| Enceliopsis nudicaulis (A.Gray) A.Nelson trib. Heliantheae |
| Enemion occidentale (Hook. & Arn.) J.R.Drumm. & Hutch. |
| Enemion stipitatum (A.Gray) J.R.Drumm. & Hutch. |
| Epilobium anagallidifolium Lam. |
| Epilobium canum (Greene) P.H.Raven |
| Epilobium clavatum Trel. |
| Epilobium glaberrimum Barbey |
| Epilobium hornemannii Rchb. |
| Epilobium howellii Hoch |
| Epilobium lactiflorum Hausskn. |
| Epilobium latifolium L. |
| Epilobium luteum Pursh |
| Epilobium nevadense Munz |
| Epilobium nivium Brandegee |
| Epilobium obcordatum A.Gray |
| Epilobium oregonense Hausskn. |
| Epilobium rigidum Hausskn. |
| Epilobium saximontanum Hausskn. |
| Epilobium septentrionale (D.D.Keck) R.N.Bowman & Hoch |
| Epilobium siskiyouense (Munz) Hoch & P.H.Raven |
| Eremogone aberrans (M.E.Jones) Ikonn. |
| Eremogone aculeata (S.Watson) Ikonn. |
| Eremogone cliftonii Rabeler & R.L.Hartm. |
| Eremogone congesta (Nutt.) Ikonn. |
| Eremogone eastwoodiae (Rydb.) Ikonn. |
| Eremogone fendleri (A.Gray) Ikonn. |
| Eremogone ferrisiae (Abrams) R.L.Hartm. & Rabeler |
| Eremogone franklinii (Douglas ex Hook.) R.L.Hartm. & Rabeler |
| Eremogone hookeri (Nutt.) W.A.Weber |
| Eremogone kingii (S.Watson) Ikonn. |
| Eremogone macradenia (S.Watson) Ikonn. |
| Eremogone stenomeres (Eastw.) Ikonn. |
| Eremogone ursina (B.L.Rob.) Ikonn. |
| Eriastrum densifolium (Benth.) H.Mason |
| Ericameria bloomeri (A.Gray) J.F.Macbr. trib. Astereae |
| Ericameria compacta (H.M.Hall) G.L.Nesom trib. Astereae |
| Ericameria cooperi (A.Gray) H.M.Hall trib. Astereae |
| Ericameria crispa (L.C.Anderson) G.L.Nesom trib. Astereae |
| Ericameria cuneata (A.Gray) McClatchie trib. Astereae |
| Ericameria discoidea (Nutt.) G.L.Nesom trib. Astereae |
| Ericameria gilmanii (S.F.Blake) G.L.Nesom trib. Astereae |
| Ericameria greenei (A.Gray) G.L.Nesom trib. Astereae |
| Ericameria laricifolia (A.Gray) Shinners trib. Astereae |
| Ericameria lignumviridis (S.L.Welsh) G.L.Nesom trib. Astereae |
| Ericameria monocephala (A.Nelson & P.B.Kenn.) D.W.Taylor trib. Astereae |
| Ericameria nana Nutt. trib. Astereae |
| Ericameria nauseosa var. iridis (L.C.Anderson) G.L.Nesom trib. Astereae |
| Ericameria obovata (Rydb.) G.L.Nesom trib. Astereae |
| Ericameria ophitidis (J.T.Howell) G.L.Nesom trib. Astereae |
| Ericameria parryi var. imula (H.M.Hall & Clements) G.L.Nesom trib. Astereae |
| Ericameria parryi var. vulcanica (Greene) G.L.Nesom trib. Astereae |
| Ericameria suffruticosa (Nutt.) G.L.Nesom trib. Astereae |
| Ericameria watsonii (A.Gray) G.L.Nesom trib. Astereae |
| Ericameria zionis (L.C.Anderson) G.L.Nesom trib. Astereae |
| Erigeron abajoensis Cronquist trib. Astereae |
| Erigeron aequifolius H.M.Hall trib. Astereae |
| Erigeron algidus Jeps. trib. Astereae |
| Erigeron anchana G.L.Nesom trib. Astereae |
| Erigeron aphanactis (A.Gray) Greene trib. Astereae |
| Erigeron arenarioides (D.C.Eaton ex A.Gray) Rydb. trib. Astereae |
| Erigeron argentatus A.Gray trib. Astereae |
| Erigeron asperugineus (D.C.Eaton) A.Gray trib. Astereae |
| Erigeron barbellulatus Greene trib. Astereae |
| Erigeron blochmaniae Greene trib. Astereae |
| Erigeron bloomeri A.Gray trib. Astereae |
| Erigeron breweri A.Gray trib. Astereae |
| Erigeron caespitosus Nutt. trib. Astereae |
| Erigeron canaani S.L.Welsh trib. Astereae |
| Erigeron canus A.Gray trib. Astereae |
| Erigeron cavernensis S.L.Welsh & N.D.Atwood trib. Astereae |
| Erigeron cervinus Greene trib. Astereae |
| Erigeron clokeyi Cronquist trib. Astereae |
| Erigeron compactus S.F.Blake trib. Astereae |
| Erigeron compositus Pursh trib. Astereae |
| Erigeron concinnus (Hook. & Arn.) Torr. & A.Gray trib. Astereae |
| Erigeron consimilis Cronquist trib. Astereae |
| Erigeron corymbosus Nutt. trib. Astereae |
| Erigeron coulteri Porter & J.M.Coult. trib. Astereae |
| Erigeron cronquistii Maguire trib. Astereae |
| Erigeron eatonii A.Gray trib. Astereae |
| Erigeron elegantulus Greene trib. Astereae |
| Erigeron elmeri (Greene) Greene trib. Astereae |
| Erigeron engelmannii A.Nelson trib. Astereae |
| Erigeron filifolius (Hook.) Nutt. trib. Astereae |
| Erigeron flagellaris A.Gray trib. Astereae |
| Erigeron foliosus Nutt. trib. Astereae |
| Erigeron formosissimus Greene trib. Astereae |
| Erigeron garrettii A.Nelson trib. Astereae |
| Erigeron glabellus Nutt. trib. Astereae |
| Erigeron glacialis (Nutt.) A.Nelson trib. Astereae |
| Erigeron glaucus Ker Gawl. trib. Astereae |
| Erigeron goodrichii S.L.Welsh trib. Astereae |
| Erigeron grandiflorus Hook. trib. Astereae |
| Erigeron heliographis G.L.Nesom trib. Astereae |
| Erigeron humilis Graham trib. Astereae |
| Erigeron chrysopsidis A.Gray trib. Astereae |
| Erigeron jonesii Cronquist trib. Astereae |
| Erigeron kachinensis S.L.Welsh & Gl.Moore trib. Astereae |
| Erigeron klamathensis (G.L.Nesom) G.L.Nesom trib. Astereae |
| Erigeron kuschei Eastw. trib. Astereae |
| Erigeron lassenianus Greene trib. Astereae |
| Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist trib. Astereae |
| Erigeron leiomerus A.Gray trib. Astereae |
| Erigeron lemmonii A.Gray trib. Astereae |
| Erigeron linearis (Hook.) Piper trib. Astereae |
| Erigeron maguirei Cronquist trib. Astereae |
| Erigeron mancus Rydb. trib. Astereae |
| Erigeron maniopotamicus G.L.Nesom & T.W.Nelson trib. Astereae |
| Erigeron melanocephalus (A.Nelson) A.Nelson trib. Astereae |
| Erigeron miser A.Gray trib. Astereae |
| Erigeron multiceps Greene trib. Astereae |
| Erigeron nanus Nutt. trib. Astereae |
| Erigeron nauseosus (M.E.Jones) A.Nelson trib. Astereae |
| Erigeron nematophyllus Rydb. trib. Astereae |
| Erigeron ovinus Cronquist trib. Astereae |
| Erigeron oxyphyllus Greene trib. Astereae |
| Erigeron parishii A.Gray trib. Astereae |
| Erigeron petrophilus Greene trib. Astereae |
| Erigeron pringlei A.Gray trib. Astereae |
| Erigeron pulcherrimus A.Heller trib. Astereae |
| Erigeron pumilus Nutt. trib. Astereae |
| Erigeron pygmaeus (A.Gray) Greene trib. Astereae |
| Erigeron radicatus Hook. trib. Astereae |
| Erigeron reductus (Cronquist) G.L.Nesom trib. Astereae |
| Erigeron saxatilis G.L.Nesom trib. Astereae |
| Erigeron scopulinus G.L.Nesom & V.D.Roth trib. Astereae |
| Erigeron sionis Cronquist trib. Astereae |
| Erigeron sivinskii G.L.Nesom trib. Astereae |
| Erigeron tener (A.Gray) A.Gray trib. Astereae |
| Erigeron uncialis S.F.Blake trib. Astereae |
| Erigeron untermannii S.L.Welsh & Goodrich trib. Astereae |
| Erigeron ursinus D.C.Eaton trib. Astereae |
| Erigeron utahensis A.Gray trib. Astereae |
| Erigeron vagus Payson trib. Astereae |
| Erigeron watsonii (A.Gray) Cronquist trib. Astereae |
| Eriogonum alpinum Engelm. sect. Oligogonum |
| Eriogonum ammophilum Reveal |
| Eriogonum anemophilum Greene sect. Eucycla |
| Eriogonum apricum J.T.Howell sect. Eucycla |
| Eriogonum arborescens Greene sect. Eucycla |
| Eriogonum arcuatum Greene sect. Oligogonum |
| Eriogonum aretioides Barneby sect. Eucycla |
| Eriogonum argophyllum Reveal sect. Eucycla |
| Eriogonum batemanii M.E.Jones sect. Eucycla |
| Eriogonum bicolor M.E.Jones sect. Eucycla |
| Eriogonum breedlovei (J.T.Howell) Reveal sect. Eucycla |
| Eriogonum brevicaule Nutt. sect. Eucycla |
| Eriogonum butterworthianum J.T.Howell sect. Eucycla |
| Eriogonum caespitosum Nutt. sect. Oligogonum |
| Eriogonum calcareum (S.Stokes) Grady & Reveal sect. Eucycla |
| Eriogonum cithariforme S.Watson |
| Eriogonum clavellatum Small sect. Eucycla |
| Eriogonum compositum Douglas ex Benth. sect. Oligogonum |
| Eriogonum congdonii (S.Stokes) Reveal sect. Oligogonum |
| Eriogonum contortum Small sect. Eucycla |
| Eriogonum corymbosum Benth. sect. Eucycla |
| Eriogonum covilleanum Eastw. |
| Eriogonum crocatum Davidson sect. Eucycla |
| Eriogonum cronquistii Reveal sect. Eucycla |
| Eriogonum crosbyae Reveal sect. Eucycla |
| Eriogonum darrovii Kearney |
| Eriogonum desertorum (Maguire) R.J.Davis sect. Eucycla |
| Eriogonum diatomaceum Reveal, J.Reynolds & Picciani sect. Eucycla |
| Eriogonum diclinum Reveal sect. Oligogonum |
| Eriogonum divaricatum Hooker |
| Eriogonum douglasii Benth. sect. Oligogonum |
| Eriogonum elatum Douglas ex Benth. sect. Eucycla |
| Eriogonum elegans Greene |
| Eriogonum ephedroides Reveal sect. Eucycla |
| Eriogonum eremicum Reveal sect. Eucycla |
| Eriogonum ericifolium A.Gray sect. Eucycla |
| Eriogonum evanidum Reveal |
| Eriogonum fasciculatum Benth. sect. Eucycla |
| Eriogonum gilmanii S.Stokes sect. Eucycla |
| Eriogonum gracilipes S.Watson sect. Eucycla |
| Eriogonum heermannii Durand & Hilg. sect. Eucycla |
| Eriogonum heracleoides Nutt. sect. Oligogonum |
| Eriogonum hirtellum J.T.Howell & Bacig. sect. Oligogonum |
| Eriogonum holmgrenii Reveal sect. Eucycla |
| Eriogonum hylophilum Reveal & Brotherson sect. Eucycla |
| Eriogonum incanum Torr. & A.Gray sect. Oligogonum |
| Eriogonum inflatum Torr. sect. Ganysma |
| Eriogonum jamesii Benth. sect. Oligogonum |
| Eriogonum jonesi S.Watson sect. Eucycla |
| Eriogonum kelloggii A.Gray sect. Oligogonum |
| Eriogonum kennedyi Porter ex S.Watson sect. Eucycla |
| Eriogonum kingii Torr. & A.Gray sect. Eucycla |
| Eriogonum lachnogynum Torr. ex Benth. sect. Eucycla |
| Eriogonum latens Jeps. sect. Oligogonum |
| Eriogonum latifolium Sm. sect. Eucycla |
| Eriogonum leptophyllum (Torr.) Wooton & Standl. sect. Eucycla |
| Eriogonum libertini Reveal sect. Oligogonum |
| Eriogonum lobbii Torr. & A.Gray sect. Oligogonum |
| Eriogonum loganum A.Nelson sect. Eucycla |
| Eriogonum luteolum var. caninum (Greene) Reveal |
| Eriogonum mancum Rydb. sect. Eucycla |
| Eriogonum marifolium A.Gray sect. Oligogonum |
| Eriogonum mensicola S.Stokes sect. Eucycla |
| Eriogonum microtheca Nutt. sect. Eucycla |
| Eriogonum mohavense S.Watson |
| Eriogonum natum Reveal sect. Eucycla |
| Eriogonum nervulosum (S.Stokes) Reveal sect. Oligogonum |
| Eriogonum nidularium Coville |
| Eriogonum nudum var. paralinum Reveal sect. Eucycla |
| Eriogonum nudum var. scapigerum (Eastw.) Jeps. sect. Eucycla |
| Eriogonum ochrocephalum S.Watson sect. Eucycla |
| Eriogonum ostlundii M.E.Jones |
| Eriogonum ovalifolium Nutt. sect. Eucycla |
| Eriogonum palmerianum Reveal |
| Eriogonum panamintense C.V.Morton sect. Eucycla |
| Eriogonum panguicense (M.E.Jones) Reveal sect. Eucycla |
| Eriogonum pendulum S.Watson sect. Eucycla |
| Eriogonum polypodum Small sect. Oligogonum |
| Eriogonum prattenianum Durand sect. Oligogonum |
| Eriogonum prociduum Reveal sect. Eucycla |
| Eriogonum pulchrum Eastw. sect. Eucycla |
| Eriogonum pyrolifolium Hook. sect. Oligogonum |
| Eriogonum racemosum Nutt. sect. Eucycla |
| Eriogonum ripleyi J.T.Howell sect. Eucycla |
| Eriogonum robustum Greene sect. Oligogonum |
| Eriogonum rosense A.Nelson & P.B.Kenn. sect. Eucycla |
| Eriogonum saxatile S.Watson sect. Eucycla |
| Eriogonum shockleyi S.Watson sect. Eucycla |
| Eriogonum siskiyouense Small sect. Oligogonum |
| Eriogonum soredium Reveal sect. Eucycla |
| Eriogonum spathulatum A.Gray sect. Eucycla |
| Eriogonum spectabile B.L.Corbin, Reveal & R.Barron sect. Eucycla |
| Eriogonum sphaerocephalum Douglas ex Benth. sect. Oligogonum |
| Eriogonum strictum Benth. sect. Eucycla |
| Eriogonum ternatum Howell sect. Oligogonum |
| Eriogonum terrenatum Reveal sect. Eucycla |
| Eriogonum thornei (Reveal & Henrickson) L.M.Shultz sect. Eucycla |
| Eriogonum tiehmii Reveal sect. Eucycla |
| Eriogonum tripodum Greene sect. Oligogonum |
| Eriogonum tumulosum (Barneby) Reveal sect. Eucycla |
| Eriogonum twisselmannii (J.T.Howell) Reveal sect. Oligogonum |
| Eriogonum umbellatum Torr. sect. Oligogonum |
| Eriogonum ursinum S.Watson sect. Oligogonum |
| Eriogonum vestitum J.T.Howell |
| Eriogonum villiflorum A.Gray sect. Eucycla |
| Eriogonum vimineum Douglas ex Benth. |
| Eriogonum viridulum Reveal sect. Eucycla |
| Eriogonum wrightii Torr. ex Benth. sect. Eucycla |
| Eriogonum zionis var. coccineum J.T.Howell |
| Eriophyllum confertiflorum (DC.) A.Gray trib. Helenieae |
| Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| Eritrichium argenteum W.Wight |
| Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| Eryngium alismifolium Greene |
| Eryngium constancei M.Y.Sheikh |
| Erysimum capitatum (Douglas) Greene |
| Erysimum insulare Greene |
| Erysimum menziesii (Hook.) Wettst. |
| Erysimum suffrutescens (Abrams) Rossbach |
| Erythranthe cardinalis (Douglas ex Benth.) Spach |
| Erythranthe cinnabarina G.L.Nesom |
| Erythranthe corallina (Greene) G.L.Nesom |
| Erythranthe dentata (Nutt. ex Benth.) G.L.Nesom |
| Erythranthe eastwoodiae (Rydb.) G.L.Nesom & N.S.Fraga |
| Erythranthe geyeri (Torr.) G.L.Nesom |
| Erythranthe lewisii (Pursh) G.L.Nesom & N.S.Fraga |
| Erythranthe linearifolia (A.L.Grant) G.L.Nesom & N.S.Fraga |
| Erythranthe moschata (Douglas ex Lindl.) G.L.Nesom |
| Erythranthe parvula (Wooton & Standl.) G.L.Nesom |
| Erythranthe primuloides (Benth.) G.L.Nesom & N.S.Fraga |
| Erythranthe tilingii (Regel) G.L.Nesom |
| Erythranthe utahensis (Pennell) G.L.Nesom |
| Euphorbia albomarginata Torr. & Gray |
| Euphorbia brachycera Engelm. |
| Euphorbia fendleri Torr. & A.Gray |
| Euphorbia chaetocalyx (Boiss.) Tidestr. |
| Euphorbia jaegeri V.W.Steinm. & J.M.André |
| Euphorbia lurida Engelm. |
| Euphorbia melanadenia Torr. |
| Euphorbia parishii Greene |
| Euphorbia radians Benth. |
| Eurybia kingii (D.C.Eaton) G.L.Nesom trib. Astereae |
| Evolvulus nuttallianus Roem. & Schult. |
| |
| Fallugia paradoxa (D.Don ex Tilloch) Endl. ex Torr. |
| Frankenia salina (Molina) I.M.Johnst. |
| Frasera albicaulis Douglas ex Griseb. |
| Frasera albomarginata S.Watson |
| Frasera gypsicola (Barneby) D.M.Post |
| Frasera parryi Torr. |
| Frasera puberulenta Davidson |
| |
| Gaillardia aristata Pursh trib. Heliantheae |
| Gaillardia parryi Greene trib. Heliantheae |
| Gaillardia pinnatifida Torr. trib. Heliantheae |
| Gaillardia spathulata A.Gray trib. Heliantheae |
| Galium coloradoense W.Wight |
| Galium grayanum Ehrend. |
| Galium hypotrichium A.Gray |
| Gaultheria humifusa (Graham) Rydb. |
| Gaultheria ovatifolia A.Gray |
| Gaultheria shallon Pursh |
| Gentiana affinis Griseb. sect. Pneumonanthe |
| Gentiana algida Pall. sect. Frigidae |
| Gentiana calycosa Griseb. sect. Pneumonanthe |
| Gentiana newberryi A.Gray sect. Pneumonanthe |
| Gentiana parryi Engelm. sect. Pneumonanthe |
| Gentiana plurisetosa C.T.Mason sect. Pneumonanthe |
| Gentiana sceptrum Griseb. sect. Pneumonanthe |
| Gentiana setigera A.Gray sect. Pneumonanthe |
| Gentianopsis barbellata (Engelm.) Iltis |
| Gentianopsis holopetala (A.Gray) Iltis |
| Geranium caespitosum E.James |
| Geranium richardsonii Fisch. & Trautv. |
| Geranium viscosissimum Fisch. & C.A.Mey. |
| Geranium wislizeni S.Watson |
| Geum rossii (R.Br.) Ser. |
| Geum triflorum Pursh |
| Giliastrum acerosum (A.Gray) Rydb. |
| Graptopetalum bartramii Rose |
| Graptopetalum rusbyi (Greene) Rose |
| Grayia spinosa (Hook.) Moq. |
| Gutierrezia petradoria (S.L.Welsh & Goodrich) S.L.Welsh trib. Astereae |
| Gutierrezia sarothrae (Pursh) Britton & Rusby trib. Astereae |
| Gutierrezia serotina Greene trib. Astereae |
| |
| Hackelia cusickii (Piper) Brand |
| Hackelia micrantha (Eastw.) J.L.Gentry |
| Hackelia nervosa (Kellogg) I.M.Johnst. |
| Hackelia ophiobia R.L.Carr |
| Hackelia patens (Nutt.) I.M.Johnst. |
| Hackelia sharsmithii I.M.Johnst. |
| Hazardia whitneyi (A.Gray) Greene trib. Astereae |
| Hebecarpa barbeyana (Chodat) J.R.Abbott |
| Hebecarpa macradenia (A.Gray) J.R.Abbott |
| Hebecarpa obscura (Benth.) J.R.Abbott |
| Hedeoma nana (Torr.) Briq. |
| Hedysarum boreale Nutt. trib. Hedysareae |
| Helianthella parryi A.Gray trib. Heliantheae |
| Hesperidanthus argillaceus (S.L.Welsh & N.D.Atwood) Al-Shehbaz |
| Hesperidanthus barnebyi (S.L.Welsh & N.D.Atwood) Al-Shehbaz |
| Hesperidanthus jaegeri (Rollins) Al-Shehbaz |
| Hesperidanthus suffrutescens (Rollins) Al-Shehbaz |
| Hesperochiron californicus (Benth.) S.Watson |
| Hesperochiron pumilus (Griseb.) Porter |
| Heterotheca jonesii (S.F.Blake) S.L.Welsh & N.D.Atwood trib. Astereae |
| Heterotheca monarchensis D.A.York, Shevock & J.C.Semple trib. Astereae |
| Heterotheca oregona (Nutt.) Shinners trib. Astereae |
| Heterotheca pumila (Greene) Semple trib. Astereae |
| Heterotheca viscida (A.Gray) V.L.Harms trib. Astereae |
| Heuchera abramsii Rydb. |
| Heuchera brevistaminea Wiggins |
| Heuchera caespitosa Eastw. |
| Heuchera cylindrica Douglas |
| Heuchera eastwoodiae Rosend., Butters & Lakela |
| Heuchera elegans Abrams |
| Heuchera glomerulata Rosend., Butters & Lakela |
| Heuchera grossulariifolia Rydb. |
| Heuchera hirsutissima Rosend., Butters & Lakela |
| Heuchera lithophila A.Heller |
| Heuchera maxima Greene |
| Heuchera merriamii Eastw. |
| Heuchera micrantha Douglas |
| Heuchera nova-mexicana Wheelock |
| Heuchera parishii Rydb. |
| Heuchera parvifolia Nutt. |
| Heuchera pilosissima Fisch. & C.A.Mey. |
| Heuchera rubescens Torr. |
| Heuchera sanguinea Engelm. |
| Hieracium bolanderi A.Gray trib. Cichorieae |
| Hoffmannseggia glauca (Ortega) Eifert trib. Caesalpinieae |
| Hoita orbicularis (Lindl.) Rydb. trib. Psoraleeae |
| Holmgrenanthe petrophila (Coville & C.V.Morton) Elisens |
| Hosackia oblongifolia Benth. trib. Loteae |
| Hosackia yollabolliensis (Munz) D.D.Sokoloff trib. Loteae |
| Houstonia rubra Cav. |
| Houstonia wrightii A.Gray |
| Hulsea algida A.Gray trib. Helenieae |
| Hulsea nana A.Gray trib. Helenieae |
| Hulsea vestita A.Gray trib. Helenieae |
| Hydrophyllum capitatum Douglas ex Benth. |
| Hydrophyllum fendleri (A.Gray) A.Heller |
| Hydrophyllum occidentale (S.Watson) A.Gray |
| Hydrophyllum tenuipes A.Heller |
| Hymenoxys bigelovii (A.Gray) K.F.Parker trib. Helenieae |
| Hymenoxys brandegeei (Porter ex A.Gray) K.F.Parker trib. Helenieae |
| Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker trib. Helenieae |
| Hymenoxys helenioides (Rydb.) Cockerell trib. Helenieae |
| Hymenoxys lemmonii (Greene) Cockerell trib. Helenieae |
| Hymenoxys richardsonii (Hook.) Cockerell trib. Helenieae |
| Hymenoxys rusbyi (A.Gray) Cockerell trib. Helenieae |
| Hymenoxys subintegra Cockerell trib. Helenieae |
| Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| Hypericum concinnum Benth. sect. Concinna |
| Hypericum scouleri Hook. sect. Hypericum |
| |
| Chaenactis alpigena Sharsm. trib. Helenieae |
| Chaenactis douglasii var. alpina A.Gray trib. Helenieae |
| Chaenactis nevadensis (Kellogg) A.Gray trib. Helenieae |
| Chaenactis parishii A.Gray trib. Helenieae |
| Chaenactis santolinoides Greene trib. Helenieae |
| Chaenactis suffrutescens A.Gray trib. Helenieae |
| Chaetopappa ericoides (Torr.) G.L.Nesom trib. Astereae |
| Chamaechaenactis scaposa (Eastw.) Rydb. trib. Helenieae |
| Chamaerhodos erecta (L.) Bunge |
| Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb. |
| Chimaphila maculata (L.) Pursh |
| Chimaphila menziesii (R.Br. ex D.Don) Spreng. |
| Chimaphila umbellata (L.) W.P.C.Barton |
| Chrysothamnus depressus Nutt. trib. Astereae |
| Chrysothamnus eremobius L.C.Anderson trib. Astereae |
| Chrysothamnus greenei (A.Gray) Greene trib. Astereae |
| Chrysothamnus humilis Greene trib. Astereae |
| Chrysothamnus molestus (S.F.Blake) L.C.Anderson trib. Astereae |
| Chrysothamnus vaseyi (A.Gray) Greene trib. Astereae |
| Chrysothamnus viscidiflorus (Hook.) Nutt. trib. Astereae |
| |
| Ionactis alpina (Nutt.) Greene trib. Astereae |
| Ionactis caelestis P.J.Leary & G.L.Nesom trib. Astereae |
| Ipomopsis aggregata (Pursh) V.E.Grant |
| Ipomopsis congesta (Hook.) V.E.Grant |
| Ipomopsis longiflora (Torr.) V.E.Grant |
| Ipomopsis roseata (Rydb.) V.E.Grant |
| Ipomopsis spicata (Nutt.) V.E.Grant |
| Iris bracteata S.Watson |
| Iris fernaldii R.C.Foster |
| Iris hartwegii Baker |
| Iris chrysophylla Howell |
| Iris innominata L.F.Hend. |
| Isocoma humilis G.L.Nesom trib. Astereae |
| |
| Jepsonia heterandra Eastw. |
| Jepsonia malvifolia (Greene) Small |
| Jepsonia parryi (Torr.) Small |
| |
| Kalmia microphylla (Hook.) A.Heller |
| Keckiella corymbosa (Benth. ex A,DC.) Straw |
| Keckiella rothrockii (A.Gray) Straw trib. Cheloneae |
| Koenigia davisiae (W.H.Brewer) T.M.Schuster & Reveal |
| Koenigia phytolaccifolia (Small) T.M.Schuster & Reveal |
| Krascheninnikovia ceratoides ssp. lanata (Pursh) Heklau |
| |
| Lathyrus biflorus T.W. Nelson & J.P.Nelson trib. Vicieae |
| Lathyrus brachycalyx Rydb. trib. Vicieae |
| Lathyrus lanszwertii var. bijugatus (T.G.White) Broich trib. Vicieae |
| Lathyrus polymorphus Nutt. trib. Vicieae |
| Lathyrus rigidus T.G.White trib. Vicieae |
| Lathyrus torreyi S.Watson trib. Vicieae |
| Lepidium barnebyanum Reveal |
| Lepidium davisii Rollins |
| Lepidium integrifolium Nutt. |
| Lepidium montanum Nutt. |
| Lepidium nanum S.Watson |
| Lepidium ostleri S.L.Welsh & Goodrich |
| Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson |
| Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson |
| Leucophysalis nana (A.Gray) Averett |
| Leucothoë davisiae Torr. ex A.Gray |
| Lewisia brachycalyx Engelm. ex A.Gray sect. Pygmaea |
| Lewisia cantelovii J.T.Howell sect. Cotyledon |
| Lewisia congdonii (Rydb.) S.Clay sect. Cotyledon |
| Lewisia cotyledon (S.Watson) B.L.Rob. sect. Cotyledon |
| Lewisia disepala Rydb. sect. Rediviva |
| Lewisia kelloggii K.Brandegee sect. Pygmaea |
| Lewisia leeana (Porter) B.L.Rob. sect. Cotyledon |
| Lewisia longipetala (Piper) S.Clay sect. Pygmaea |
| Lewisia maguirei A.H.Holmgren sect. Rediviva |
| 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 stebbinsii Gankin & W.R.Hildreth sect. Pygmaea |
| Linanthus caespitosus (Nutt.) J.M.Porter & L.A.Johnson |
| Linanthus californicus (Hook. & Arn.) J.M.Porter |
| Linanthus jaegeri (Munz) J.M.Porter & J.M.Johnson |
| Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson |
| Linanthus watsonii (A.Gray) Wherry |
| Linum kingii S.Watson |
| Linum lewisii Pursh |
| Linum subteres (Trel.) H.J.P.Winkl. |
| Lithophragma affine A.Gray |
| Lithophragma cymbalaria Torr. & A.Gray |
| Lithophragma glabrum Nutt. |
| Lithophragma heterophyllum (Hook. & Arn.) Torr. & A.Gray |
| Lithophragma parviflorum (Hook.) Nutt. |
| Lithophragma tenellum Nutt. |
| Lithophragma trifoliatum Eastw. |
| Lithospermum incisum Lehm. |
| Lomatium ambiguum (Nutt.) J.M.Coult. & Rose |
| Lomatium canbyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| Lomatium caruifolium (Hook. & Arn.) J.M.Coult. & Rose |
| Lomatium congdonii J.M.Coult. & Rose |
| Lomatium cous (S.Watson) J.M.Coult. & Rose |
| Lomatium donnellii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium engelmannii Mathias |
| Lomatium fusiformis (S.Watson) J.F.Sm. & Mansfield |
| Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium juniperinum (M.E.Jones) J.M.Coult. & Rose |
| Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| Lomatium martindalei (J.M.Coult. & Rose) J.M.Coult. & Rose |
| Lomatium minimum (Mathias) Mathias |
| Lomatium nevadense (S.Watson) J.M.Coult. & Rose |
| Lomatium orientale J.M.Coult. & Rose |
| Lomatium piperi J.M.Coulter & Rose |
| Lomatium roseanum Cronquist |
| Lomatium scabrum (J.M.Coult. & Rose) Mathias |
| Lomatium shevockii R.L.Hartm. & Constance |
| Lomatium stebbinsii Schlessman & Constance |
| Lomatium torreyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| Lomatium utriculatum (Nutt.) J.M.Coult. & Rose |
| Lorandersonia peirsonii (D.D.Keck) Urbatsch & al. trib. Astereae |
| Luetkea pectinata (Pursh) Kuntze |
| Luina hypoleuca Benth. trib. Senecioneae |
| Lupinus ammophilus var. crassus (Payson) Isely trib. Genisteae |
| Lupinus argenteus Pursh trib. Genisteae |
| Lupinus aridus Douglas trib. Genisteae |
| Lupinus breweri A.Gray trib. Genisteae |
| Lupinus caespitosus Nutt. trib. Genisteae |
| Lupinus confertus Kellogg trib. Genisteae |
| Lupinus constancei T.W.Nelson & J.P.Nelson trib. Genisteae |
| Lupinus covillei Greene trib. Genisteae |
| Lupinus croceus Eastw. trib. Genisteae |
| Lupinus culbertsonii Greene trib. Genisteae |
| Lupinus duranii Eastw. trib. Genisteae |
| Lupinus gracilentus Greene trib. Genisteae |
| Lupinus grayi (S.Watson) S.Watson trib. Genisteae |
| Lupinus holosericeus Nutt. trib. Genisteae |
| Lupinus lapidicola A.Heller trib. Genisteae |
| Lupinus littoralis Douglas ex Lindl. trib. Genisteae |
| Lupinus lyallii A.Gray trib. Genisteae |
| Lupinus monticola Rydb. trib. Genisteae |
| Lupinus nevadensis A.Heller trib. Genisteae |
| Lupinus obtusilobus A.Heller trib. Genisteae |
| Lupinus onustus S.Watson trib. Genisteae |
| Lupinus saxosus Howell trib. Genisteae |
| Lupinus sellulus Kellogg trib. Genisteae |
| Lupinus sericatus Kellogg trib. Genisteae |
| Lupinus sericeus Pursh trib. Genisteae |
| Lupinus tidestromii Greene trib. Genisteae |
| Lygodesmia grandiflora (Nutt.) Torr. & A.Gray trib. Cichorieae |
| Lygodesmia juncea (Pursh) D.Don ex Hook. trib. Cichorieae |
| Lysimachia europaea (L.) U.Manns & Anderb. |
| |
| Mabrya acerifolia (Pennell) Elisens |
| Marina calycosa (A.Gray) Barneby trib. Amorpheae |
| Marina orcuttii (S.Watson) Barneby trib. Amorpheae |
| Melampodium leucanthum Torr. & A.Gray trib. Heliantheae |
| Menodora scabra Engelm. ex A.Gray |
| Menodora spinescens A.Gray |
| Mentzelia argillosa J.Darl. |
| Mentzelia decapetala (Pursh) Urb. |
| Mentzelia inyoensis H.J.Thomps. & Prigge |
| Mentzelia laevicaulis (Douglas) Torr. & A.Gray |
| Mentzelia oligosperma Nutt. ex Sims |
| Mentzelia oreophila J.Darl. |
| Mentzelia torreyi A.Gray |
| Mertensia arizonica Greene |
| Mertensia brevistyla S.Watson |
| Mertensia ciliata (E.James ex Torr.) G.Don |
| Mertensia franciscana A.Heller |
| Mertensia lanceolata (Pursh) DC. |
| Mertensia longiflora Greene |
| Mertensia oblongifolia (Nutt.) G.Don |
| Micranthes aprica (Greene) Small sect. Micranthes |
| Micranthes bryophora (A.Gray) Brouillet & Gornall sect. Arabisa |
| Micranthes californica (Greene) Small sect. Micranthes |
| Micranthes eriophora (S.Watson) Small sect. Dermasea |
| Micranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa |
| Micranthes howellii (Greene) Small sect. Dermasea |
| Micranthes integrifolia (Hook.) Small sect. Micranthes |
| Micranthes marshallii (Greene) Small sect. Dermasea |
| 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 rufidula Small sect. Dermasea |
| Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall sect. Intermediae |
| Micromeria douglasii (Benth.] Benth. |
| Microseris alpestris (A.Gray) Q.Jones ex Cronquist trib. Cichorieae |
| Microseris troximoides A.Gray trib. Cichorieae |
| Mitella breweri A.Gray |
| Mitella caulescens Nutt. |
| Mitella ovalis Greene |
| Mitella pentandra Hook. |
| Mitella stauropetala Piper |
| Mitella trifida Graham |
| Moehringia lateriflora (L.) Fenzl |
| Monardella australis Abrams |
| Monardella beneolens Shevock, Ertter & Jokerst |
| Monardella macrantha A.Gray |
| Monardella nana A.Gray |
| Monardella odoratissima Benth. |
| Monardella sheltonii Torr. ex Durand |
| Monardella stebbinsii Hardham & Bartel |
| Monardella undulata ssp. crispa (Elmer) Elvin & Sanders |
| Monardella villosa Benth. |
| Monardella viridis Jeps. |
| Moneses uniflora (L.) A.Gray |
| Montia chamissoi (Ledeb. ex Spreng.) Greene |
| Montia parvifolia (Moc. ex DC.) Greene |
| Musineon lineare (Rydb.) Mathias |
| Musineon vaginatum Rydb. |
| |
| Nama lobbii A.Gray |
| Nama rothrockii A.Gray |
| Nestotus stenophyllus (A.Gray) R.P.Roberts & al. trib. Astereae |
| Nevada holmgrenii (Rollins) N.H.Holmgren |
| Noccaea fendleri (A.Gray) Holub |
| |
| Oenothera acutissima W.L.Wagner sect. Lavauxia |
| Oenothera albicaulis Nutt. ex Pursh sect. Anogra |
| Oenothera avita (W.M.Klein) W.M.Klein sect. Anogra |
| Oenothera brachycarpa A.Gray sect. Megapterium |
| Oenothera cespitosa Nutt. sect. Pachylophus |
| Oenothera coronopifolia Torr. & A.Gray sect. Kleinia |
| Oenothera deltoides Torr. & Frém. sect. Anogra |
| Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| Oenothera hartwegii Benth. sect. Calylophus |
| Oenothera howardii (A.Nelson) W.L.Wagner sect. Megapterium |
| Oenothera kunthiana (Spach) Munz |
| Oenothera lavandulifolia Torr. & A.Gray sect. Calylophus |
| Oenothera pallida Lindl. sect. Anogra |
| Oenothera platanorum P.H.Raven & D.R.Parn. sect. Hartmannia |
| Oenothera rosea L‘Hér. ex Aiton sect. Hartmannia |
| Oenothera serrulata Nutt. sect. Calylophus |
| Oenothera speciosa Nutt. sect. Hartmannia |
| Oenothera xylocarpa Coville |
| Oreocarya bakeri Greene |
| Oreocarya barnebyi (I.M.Johnst.) Hasenstab & M.G.Simpson |
| Oreocarya breviflora Osterh. |
| Oreocarya celosioides Eastw. |
| Oreocarya compacta (L.C.Higgins) R.B.Keelley |
| Oreocarya confertiflora Greene |
| Oreocarya crymophila (I.M.Johnst.) Jeps. & Hoover |
| Oreocarya flava A.Nelson |
| Oreocarya flavoculata A.Nelson |
| Oreocarya fulvocanescens (S.Watson) Greene |
| Oreocarya grahamii (I.M.Johnst.) R.B.Kelley |
| Oreocarya humilis (A.Gray) Greene |
| Oreocarya interrupta Greene |
| Oreocarya johnstonii (L.C.Higgins) Hasenstab & M.G.Simpson |
| Oreocarya jonesiana Payson |
| Oreocarya nubigena Greene |
| Oreocarya osterhoutii Payson |
| Oreocarya rollinsii (I.M.Johnst.) W.A.Weber |
| Oreocarya roosiorum (Munz) R.B.Kelley & al. |
| Oreocarya sericea (A.Gray) Greene |
| Oreocarya shackletteana (L.C..Higgins) R.B.Kelley |
| Oreocarya sobolifera (Payson) R.B.Kelley |
| Oreocarya spiculifera Piper |
| Oreocarya suffruticosa (Torr.) Greene |
| Oreocarya tenuis Eastw. |
| Oreocarya tumulosa Payson |
| Oreonana clementis (M.E.Jones) Jeps. |
| Oreonana purpurascens Shevock & Constance |
| Oreonana vestita (S.Watson) Jeps. |
| Oreostemma alpigenum (Torr. & A.Gray) Greene trib. Astereae |
| Oreostemma peirsonii (Sharsm.) G.L.Nesom trib. Astereae |
| Orthilia secunda (L.) House |
| Ottleya oroboides (Kunth) D.D.Sokoloff trib. Loteae |
| Oxalis caerulea (Small) R.Knuth |
| Oxalis decaphylla Kunth |
| Oxalis metcalfei (Small) R.Knuth |
| Oxalis oregana Nutt. |
| Oxalis suksdorfii Trel. |
| Oxalis trilliifolia Hook. |
| Oxyria digyna (L.) Hill |
| Oxytropis besseyi (Rydb.) Blank. trib. Galegeae |
| Oxytropis lambertii Pursh trib. Galegeae |
| Oxytropis multiceps Nutt. trib. Galegeae |
| Oxytropis oreophila A.Gray trib. Galegeae |
| Oxytropis parryi A.Gray trib. Galegeae |
| Oxytropis sericea Nutt. trib. Galegeae |
| |
| Packera actinella (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera bernardina (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera cana (Hook.) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera castoreus (S.L.Welsh) Kartesz trib. Senecioneae |
| Packera dimorphophylla (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera franciscana (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera greenei (A.Gray) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera hesperia (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera ionophylla (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Packera malmstenii (S.F.Blake ex Tidestr.) Kartesz trib. Senecioneae |
| Packera musiniensis (S.L.Welsh) Trock trib. Senecioneae |
| Packera pauciflora (Pursh) Á.Löve & D.Löve trib. Senecioneae |
| Packera spellenbergii (T.M.Barkley) C.Jeffrey 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. |
| Paeonia californica Nutt. ex Torr. & A.Gray |
| Parnassia cirrata Piper |
| Parnassia fimbriata Banks ex K.D.Koenig |
| Parnassia kotzebuei Cham. ex Spreng. |
| Parnassia palustris L. |
| Parnassia parviflora DC. |
| Paronychia pulvinata A.Gray |
| Paronychia sessiliflora Nutt. |
| Parrya rydbergii Botsch. |
| Parthenium ligulatum (M.E.Jones) Barneby trib. Heliantheae |
| Paxistima myrsinites (Pursh) Raf. |
| Pedicularis centranthera A.Gray |
| Pedicularis dudleyi Elmer |
| Pedicularis parryi var. purpurea Parry |
| Pedicularis racemosa Douglas ex Benth. |
| Pedicularis semibarbata A.Gray |
| Pediomelum californicum (S.Watson) Rydb. trib. Psoraleeae |
| Pediomelum castoreum (S.Watson) Rydb. trib. Psoraleeae |
| Pediomelum esculentum (Pursh) Rydb. trib. Psoraleeae |
| Pediomelum megalanthum (Wooton & Standl.) Rydb. trib. Psoraleeae |
| Pediomelum mephiticum (S.Watson) Rydb. trib. Psoraleeae |
| Penstemon abietinus Pennell sect. Caespitosi |
| Penstemon acaulis L.O.Williams sect. Cristati |
| Penstemon acuminatus Douglas ex Lindl. sect. Coerulei |
| Penstemon albomarginatus M.E.Jones sect. Penstemon |
| Penstemon ambiguus Torr. sect. Ambigui |
| Penstemon ammophilus N.H.Holmgren & L.M.Shultz sect. Glabri |
| Penstemon anguineus Eastw. sect. Penstemon |
| Penstemon angustifolius Nutt. ex Pursh sect. Coerulei |
| Penstemon arenarius Greene sect. Penstemon |
| Penstemon atwoodii S.L.Welsh sect. Cristati |
| Penstemon azureus Benth. sect. Saccanthera |
| Penstemon barnebyi N.H.Holmgren sect. Cristati |
| Penstemon bracteatus D.D.Keck sect. Coerulei |
| Penstemon breviculus (D.D.Keck) G.T.Nisbet & R.C.Jacks. sect. Cristati |
| Penstemon caesius A.Gray sect. Saccanthera |
| Penstemon caespitosus Nutt. ex A.Gray sect. Caespitosi |
| Penstemon calcareus Brandegee sect. Cristati |
| Penstemon californicus (Munz & I.M.Johnst.) D.D.Keck sect. Caespitosi |
| Penstemon carnosus Pennell ex E.H.Graham sect. Coerulei |
| Penstemon cinicola D.D.Keck sect. Penstemon |
| Penstemon clevelandii A.Gray sect. Spectabiles |
| Penstemon clutei A.Nelson sect. Spectabiles |
| Penstemon comarrhenus A.Gray sect. Glabri |
| Penstemon compactus (D.D.Keck) Crosswh. sect. Glabri |
| Penstemon concinnus D.D.Keck sect. Cristati |
| Penstemon confusus M.E.Jones sect. Gentianoides |
| Penstemon crandallii A.Nelson sect. Caespitosi |
| Penstemon cyananthus Hook. sect. Glabri |
| Penstemon cyanocaulis Payson sect. Glabri |
| Penstemon dasyphyllus A.Gray sect. Chamaeleon |
| Penstemon davidsonii Greene sect. Erianthera |
| Penstemon deaveri Crosswh. sect. Glabri |
| Penstemon deustus Douglas ex Lindl. sect. Penstemon |
| Penstemon discolor D.D.Keck sect. Caespitosi |
| Penstemon distans N.H.Holmgren sect. Cristati |
| Penstemon dolius M.E.Jones ex Pennell sect. Cristati |
| Penstemon duchesnensis.(N.H.Holmgren) Neese sect. Cristati |
| Penstemon eriantherus Nutt. ex Pursh sect. Cristati |
| Penstemon fendleri Torr. & A.Gray sect. Coerulei |
| Penstemon filiformis (D.D.Keck) D.D.Keck sect. Saccanthera |
| Penstemon floribundus Danley sect. Saccanthera |
| Penstemon flowersii Neese & S.L.Welsh sect. Coerulei |
| Penstemon franklinii S.L.Welsh sect. Cristati |
| Penstemon fremontii Torr. & A.Gray sect. Glabri |
| Penstemon fruticiformis Coville sect. Spectabiles |
| Penstemon gibbensii Dorn sect. Glabri |
| Penstemon goodrichii N.H.Holmgren sect. Cristati |
| Penstemon gracilentus A.Gray sect. Saccanthera |
| Penstemon grahamii D.D.Keck sect. Cristati |
| Penstemon grinnellii Eastw. sect. Spectabiles |
| Penstemon heterodoxus A.Gray sect. Penstemon |
| Penstemon heterophyllus Lindl. sect. Saccanthera |
| Penstemon humilis Nutt. ex A.Gray sect. Penstemon |
| Penstemon idahoensis N.D.Atwood & S.L.Welsh sect. Glabri |
| Penstemon immanifestus N.H.Holmgren sect. Coerulei |
| Penstemon incertus Brandegee sect. Spectabiles |
| Penstemon janishiae N.H.Holmgren sect. Cristati |
| Penstemon kingii S.Watson sect. Saccanthera |
| Penstemon laetus A.Gray sect. Saccanthera |
| Penstemon laevis Pennell sect. Glabri |
| Penstemon leiophyllus Pennell sect. Glabri |
| Penstemon lentus Pennell sect. Coerulei |
| Penstemon leonardii Rydb. sect. Saccanthera |
| Penstemon linarioides A.Gray sect. Caespitosi |
| Penstemon longiflorus (Pennell) S.L.Clark sect. Glabri |
| Penstemon marcusii (D.D.Keck) N.H.Holmgren sect. Cristati |
| Penstemon moffattii Eastw. sect. Cristati |
| Penstemon monoensis A.Heller sect. Cristati |
| Penstemon montanus Greene sect. Erianthera |
| Penstemon moriahensis N.H.Holmgren sect. Glabri |
| Penstemon mucronatus N.H.Holmgren sect. Coerulei |
| Penstemon nanus D.D.Keck sect. Cristati |
| Penstemon navajoa N.H.Holmgren sect. Glabri |
| Penstemon neotericus D.D.Keck sect. Saccanthera |
| Penstemon newberryi A.Gray sect. Erianthera |
| Penstemon nudiflorus A.Gray sect. Glabri |
| Penstemon oliganthus Wooton & Standl. sect. Penstemon |
| Penstemon ophianthus Pennell sect. Cristati |
| Penstemon pahutensis N.H.Holmgren sect. Glabri |
| Penstemon pachyphyllus A.Gray ex Rydb. sect. Coerulei |
| Penstemon palmeri A.Gray sect. Spectabiles |
| Penstemon papillatus J.T.Howell sect. Saccanthera |
| Penstemon parryi (A.Gray) A.Gray sect. Gentianoides |
| Penstemon parvus Pennell sect. Glabri |
| Penstemon patens (M.E.Jones) N.H.Holmgren sect. Gentianoides |
| Penstemon personatus D.D.Keck sect. Erianthera |
| Penstemon petiolatus Brandegee sect. Petiolati |
| Penstemon pinifolius Greene sect. Caespitosi |
| Penstemon pinorum L.M.Schultz & J.S.Schultz sect. Cristati |
| Penstemon platyphyllus Rydb. sect. Saccanthera |
| Penstemon pratensis Greene sect. Penstemon |
| Penstemon procerus Douglas ex Graham sect. Penstemon |
| Penstemon pseudoputus (Crosswh.) N.H.Holmgren sect. Glabri |
| Penstemon pudicus Reveal & Beatley sect. Saccanthera |
| Penstemon purpusii Brandegee sect. Saccanthera |
| Penstemon putus A.Nelson sect. Glabri |
| Penstemon radicosus A.Nelson sect. Penstemon |
| Penstemon rhizomatosus N.H.Holmgren sect. Saccanthera |
| Penstemon roezlii Regel sect. Saccanthera |
| Penstemon rostriflorus Kellogg sect. Bridgesiani |
| Penstemon rupicola (Piper) Howell sect. Erianthera |
| Penstemon rydbergii A.Nelson sect. Penstemon |
| Penstemon scapoides D.D.Keck sect. Saccanthera |
| Penstemon scariosus Pennell sect. Glabri |
| Penstemon sepalulus A.Nelson sect. Saccanthera |
| Penstemon speciosus Douglas ex Lindl. sect. Glabri |
| Penstemon strictiformis Rydb. sect. Glabri |
| Penstemon strictus Benth. sect. Glabri |
| Penstemon subglaber Rydb. sect. Glabri |
| Penstemon subulatus M.E.Jones sect. Gentianoides |
| Penstemon sudans M.E.Jones sect. Penstemon |
| Penstemon superbus A.Nelson sect. Gentianoides |
| Penstemon thompsoniae (A.Gray) Rydb. sect. Caespitosi |
| Penstemon thurberi Torr. sect. Ambigui |
| Penstemon tidestromii Pennell sect. Glabri |
| Penstemon tiehmii N.H.Holmgren sect. Saccanthera |
| Penstemon tracyi D.D.Keck sect. Penstemon |
| Penstemon uintahensis Pennell sect. Glabri |
| Penstemon utahensis Eastw. sect. Gentianoides |
| Penstemon venustus Douglas ex Lindl. sect. Saccanthera |
| Penstemon virgatus A.Gray sect. Glabri |
| Penstemon wardii A.Gray sect. Glabri |
| Penstemon watsonii A.Gray sect. Penstemon |
| Penstemon whippleanus A.Gray sect. Penstemon |
| Penstemon xylus A.Nelson sect. Caespitosi |
| Penstemon yampaensis Penland sect. Cristati |
| Perityle ajoensis Todsen trib. Heliantheae |
| Perityle ambrosiifolia Greene ex A.M.Powell & Yarb. trib. Heliantheae |
| Perityle ciliata (L.H.Dewey) Rydb. trib. Heliantheae |
| Perityle cochisensis (W.E.Niles) A.M.Powell trib. Heliantheae |
| Perityle congesta (M.E.Jones) Shinners trib. Heliantheae |
| Perityle coronopifolia A.Gray trib. Heliantheae |
| Perityle gracilis (M.E.Jones) Rydb. trib. Heliantheae |
| Perityle intricata (Brandegee) Shinners trib. Heliantheae |
| Perityle inyoensis (Ferris) A.M.Powell trib. Heliantheae |
| Perityle lemmonii (A.Gray) J.F.Macbr. trib. Heliantheae |
| Perityle megalocephala (S.Watson) J.F.Macbr. trib. Heliantheae |
| Perityle saxicola (Eastw.) Shinners trib. Heliantheae |
| Perityle specicola S.L.Welsh & Neese trib. Heliantheae |
| Perityle stansburyi (A.Gray) J.F.Macbr. trib. Heliantheae |
| Perityle tenella (M.E.Jones) J.F.Macbr. trib. Heliantheae |
| Perityle villosa (S.F.Blake) Shinners trib. Heliantheae |
| Petradoria pumila (Nutt.) Greene trib. Astereae |
| Petrophytum caespitosum (Nutt.) Rydb. |
| Phacelia corymbosa Jeps. |
| Phacelia dalesiana J.T.Howell |
| Phacelia hydrophylloides Torr. ex A.Gray |
| Phacelia perityloides Coville |
| Phalacroseris bolanderi A.Gray trib. Cichorieae |
| Phemeranthus brevicaulis (S.Watson) Kiger |
| Phemeranthus brevifolius (Torr.) Hershk. |
| Phemeranthus humilis (Greene) Kiger |
| Phemeranthus parviflorus (Nutt.) Kiger |
| Phemeranthus parvulus (Rose & Standl.) D.J.Ferguson & T.M.Price |
| Phemeranthus thompsonii (N.D.Atwood & S.L.Welsh) Kiger |
| Phemeranthus validulus (Greene) Kiger |
| Phlox adsurgens Torr. ex A.Gray Alphaphlox, Stoloniferae |
| Phlox amabilis Brand Protophlox, Tenuifoliae |
| Phlox austromontana Coville Microphlox, Canescentes |
| Phlox caespitosa Nutt. Microphlox, Caespitosae |
| Phlox cluteana A.Nelson Alphaphlox, Cluteanae |
| Phlox condensata (A.Gray) E.E.Nelson Microphlox, Caespitosae |
| Phlox diffusa Benth. Microphlox, Canescentes |
| Phlox dispersa Sharsm. |
| Phlox dolichantha A.Gray Alphaphlox, Longifoliae |
| Phlox gladiformis (M.E.Jones) E.E.Nelson Microphlox, Aculeatae |
| Phlox griseola Wherry Microphlox, Caespitosae |
| Phlox hirsuta E.E.Nelson |
| Phlox hoodii Richardson Microphlox, Canescentes |
| Phlox kelseyi Britton Microphlox, Sibiricae |
| Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox multiflora A.Nelson Microphlox, Multiflorae |
| Phlox nana Nutt. Protophlox, Nanae |
| Phlox pulvinata (Wherry) Cronquist Microphlox, Caespitosae |
| Phlox rigida Benth. Microphlox, Douglasianae |
| Phlox speciosa Pursh Protophlox, Speciosae |
| Phlox subulata L. Alphaphlox, Subulatae |
| Phlox tenuifolia E.E.Nelson Protophlox, Tenuifoliae |
| Phlox viscida E.E.Nelson Alphaphlox, Longifoliae |
| Phlox woodhousei (A.Gray) E.E.Nelson Protophlox, Speciosae |
| Phoenicaulis cheiranthoides Nutt. |
| Phyla cuneifolia (Torr.) Greene |
| Phyla lanceolata (Michx.) Greene |
| Phyllodoce breweri (A.Gray) A.Heller |
| Phyllodoce empetriformis (Sm.) D.Don |
| Physaria acutifolia Rydb. |
| Physaria arizonica (S.Watson) O´Kane & Al-Shehbaz |
| Physaria cinerea (S.Watson) O´Kane & Al-Shehbaz |
| Physaria cordiformis Rollins |
| Physaria fendleri (A.Gray) O´Kane & Al-Shehbaz |
| Physaria garrettii (Payson) O´Kane & Al-Shehbaz |
| Physaria grahamii C.V.Morton ex E.H.Graham |
| Physaria hemiphysaria (Maguire) O´Kane & Al-Shehbaz |
| Physaria hitchcockii (Munz) O´Kane & Al-Shehbaz |
| Physaria chambersii Rollins |
| Physaria intermedia (S.Watson) O´Kane & Al-Shehbaz |
| Physaria kingii (S.Watson) O´Kane & Al-Shehbaz |
| Physaria lepidota Rollins |
| Physaria ludoviciana (Nutt.) O´Kane & Al-Shehbaz |
| Physaria montana (A.Gray) Greene |
| Physaria multiceps (Maguire) O´Kane & Al-Shehbaz |
| Physaria navajoensis (O'Kane) O'Kane & Al-Shehbaz |
| Physaria nelsoni O´Kane & Al-Shehbaz |
| Physaria newberryi A.Gray |
| Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| Physaria parvula (Greene) O´Kane & Al-Shehbaz |
| Physaria pendula (Rollins) O´Kane & Al-Shehbaz |
| Physaria pinetorum (Wooton & Standl.) O´Kane & Al-Shehbaz |
| Physaria prostrata (A.Nelson) O´Kane & Al-Shehbaz |
| Physaria purpurea (A.Gray) O´Kane & Al-Shehbaz |
| Physaria rectipes (Wooton & Standl.) O´Kane & Al-Shehbaz |
| Physaria subumbellata (Rollins) O´Kane & Al-Shehbaz |
| Physaria tumulosa (Barneby) O‘Kane & Al-Shehbaz |
| Picradeniopsis oppositifolia (Nutt.) Rydb. trib. Helenieae |
| Picradeniopsis woodhousei (A.Gray) Rydb. trib. Helenieae |
| Pilosella horrida (Fr.) F.W.Schulz & Sch.Bip. trib. Cichorieae |
| Pilosella tristis (Willd. ex Spreng.) F.W.Schultz & Sch.Bip. trib. Cichorieae |
| Pinaropappus roseus (Less.) Less. trib. Cichorieae |
| Pinguicula macroceras Pall. ex Link |
| Plagiobothrys mollis (A.Gray) I.M.Johnst. |
| Pleiacanthus spinosus (Nutt.) Rydb. trib. Cichorieae |
| Podistera nevadensis (A.Gray) S.Watson |
| Polemonium brandegeei (A.Gray) Greene |
| Polemonium californicum Eastw. |
| Polemonium carneum A.Gray |
| Polemonium elegans Greene |
| Polemonium eximium Greene |
| Polemonium chartaceum H.Mason |
| Polemonium nevadense Wherry |
| Polemonium pulcherrimum Hook. |
| Polemonium viscosum Nutt. |
| Polyctenium fremontii (S.Watson) Greene |
| Polygala alba Nutt. |
| Polygala scoparoides Chodat |
| Polygonum paronychia Cham. & Schltdl. |
| Polygonum shastense W.H.Brewer ex A.Gray |
| Porophyllum pygmaeum D.J.Keil & Morefield trib. Tageteae |
| Potentilla albiflora L.O.Williams |
| Potentilla angelliaea N.H.Holmgren |
| Potentilla argyrocoma (Rydb.) Jeps. |
| Potentilla arizonica Greene |
| Potentilla baileyi (S.Watson) Greene |
| Potentilla basaltica Tiehm & Ertter |
| Potentilla bicrenata Rydb. |
| Potentilla bolanderi (A.Gray) Greene |
| Potentilla brevifolia Nutt. |
| Potentilla callida H.M.Hall |
| Potentilla campestris (M.E.Jones) Jeps. |
| Potentilla concinna Richardson |
| Potentilla congesta (Douglas ex Hook.) Baill. |
| Potentilla cottamii N.H.Holmgren |
| Potentilla crinita A.Gray |
| Potentilla cristae Ferlatte & Strother |
| Potentilla cryptocaulis Clokey |
| Potentilla daucifolia Greene |
| Potentilla demotica Ertter |
| Potentilla douglasii Greene |
| Potentilla drummondii Lehm. |
| Potentilla effusa Douglas ex Lehm. |
| Potentilla flabellifolia Hook. ex Torr. & A.Gray |
| Potentilla glaucophylla Lehm. |
| Potentilla gordonii (Hook.) Greene |
| Potentilla gracilis Douglas ex Hook. |
| Potentilla grayi S.Watson |
| Potentilla hendersonii (Howell) J.T.Howell |
| Potentilla hickmanii Eastw. |
| Potentilla hispidula (Rydb.) Jeps. |
| Potentilla holmgrenii D.F.Murray & Elven |
| Potentilla hookeriana Lehm. |
| Potentilla howellii Greene |
| Potentilla jaegeri (Munz & I.M.Johnst.) L.C.Wheeler |
| Potentilla jepsonii Ertter |
| Potentilla johnstonii Soják |
| Potentilla kingii (S.Watson) Greene |
| Potentilla lindleyi Greene |
| Potentilla longibracteata (Ertter) Mosyakin & Shiyan |
| Potentilla lycopodioides (A.Gray) Baill. ex J.T.Howell |
| Potentilla marinensis (Elmer) J.T.Howell |
| Potentilla micheneri Greene |
| Potentilla millefolia Rydb. |
| Potentilla morefieldii Ertter |
| Potentilla muirii (A.Gray) Greene |
| Potentilla multisecta (S.Watson) Rydb. |
| Potentilla newberryi A.Gray |
| Potentilla nivea L. |
| Potentilla nubigena Greene |
| Potentilla osterhoutii (A.Nelson) J.T.Howell |
| Potentilla ovina J.M.Macoun |
| Potentilla paniculata (T.W. & J.P.Nelson) Mosyakin & Shiyan |
| Potentilla parryi (Greene) Greene |
| Potentilla patellifera J.T.Howell |
| Potentilla pensylvanica L. |
| Potentilla pityocharis (Ertter) Mosyakin & Shiyan |
| Potentilla plattensis Nutt. |
| Potentilla pseudosericea Rydb. |
| Potentilla purpurascens (S.Watson) Greene |
| Potentilla rhyolitica Ertter |
| Potentilla rhypara (Ertter & Reveal) Mosyakin & Shiyan |
| Potentilla rimicola (Munz & I.M.Johnst.) Ertter |
| Potentilla rubricaulis Lehm. |
| Potentilla sabulosa M.E.Jones |
| Potentilla santolinoides (A.Gray) Greene |
| Potentilla saxosa Lemmon ex Greene |
| Potentilla sericata (S.Watson) Greene |
| Potentilla sericoleuca (Rydb.) J.T.Howell |
| Potentilla shockleyi (S.Watson) Jeps. |
| Potentilla subviscosa Greene |
| Potentilla thurberi A.Gray ex Lehm. |
| Potentilla tilingii (Regel) Greene |
| Potentilla tularensis J.T.Howell |
| Potentilla unguiculata (A.Gray) Hook.f. |
| Potentilla utahensis (S.Watson) Greene |
| Potentilla webberi (A.Gray) Greene |
| Potentilla wheeleri S.Watson |
| Potentilla wilderae (Parish) Munz & I.M.Johnst. |
| Primula capillaris N.H.Holmgren & A.H.Holmgren sect. Parryi |
| Primula clevelandii (Greene) A.R.Mast & Reveal |
| Primula conjugens (Greene) A.R.Mast & Reveal |
| Primula cusickiana (A.Gray) A.Gray sect. Parryi |
| Primula fragrans A.R.Mast & Reveal |
| Primula hendersonii (A.Gray) A.R.Mast & Reveal |
| Primula incana M.E.Jones sect. Farinosae |
| Primula jeffreyi (Van Houtte) A.R.Mast & Reveal |
| Primula parryi A.Gray sect. Parryi |
| Primula pauciflora (Durand) A.R.Mast & Reveal |
| Primula rusbyi Greene sect. Parryi |
| Primula specuicola Rydb. sect. Farinosae |
| Primula standleyana A.R.Mast & Reveal |
| Primula subalpina (Eastw.) A.R.Mast & Reveal |
| Primula suffrutescens A.Gray sect. Cuneifolia |
| Primula tetrandra (Suksd.) A.R.Mast & Reveal |
| Primula utahensis (N.H.Holmgren) A.R.Mast & Reveal |
| Pseudostellaria jamesiana (Torr.) W.A.Weber & R.L.Hartm. |
| Pulsatilla nuttalliana (DC.) Spreng. |
| Pulsatilla occidentalis (S.Watson) Freyn |
| Pyrola asarifolia Michx. |
| Pyrola elliptica Nutt. |
| Pyrola chlorantha Sw. |
| Pyrola minor L. |
| Pyrola picta Sm. |
| Pyrrocoma apargioides (A.Gray) Greene trib. Astereae |
| Pyrrocoma carthamoides Hook. trib. Astereae |
| Pyrrocoma clementis Rydb. trib. Astereae |
| Pyrrocoma hirta (A.Gray) Greene trib. Astereae |
| Pyrrocoma linearis (D.D.Keck) Kartesz & Gandhi trib. Astereae |
| Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| |
| Raillardella argentea (A.Gray) A.Gray trib. Madieae |
| Raillardella scaposa (A.Gray) A.Gray trib. Madieae |
| Ranunculus adoneus A.Gray |
| Ranunculus andersonii A.Gray |
| Ranunculus californicus Benth. |
| Ranunculus eschscholtzii Schltdl. |
| Ranunculus fasciculatus Sessé & Moc. |
| Ranunculus glaberrimus Hook. |
| Ranunculus gormanii Greene |
| Ranunculus hyperboreus Rottb. |
| Ranunculus hystriculus A.Gray |
| Ranunculus inamoenus Greene |
| Ranunculus populago Greene |
| Ranunculus pygmaeus Wahlenb. |
| Ranunculus triternatus A.Gray |
| Rhinotropis acanthoclada (A.Gray) J.R.Abbott |
| Rhinotropis californica (Nutt.) J.R.Abbott |
| Rhinotropis heterorhyncha (Barneby) J.R.Abbott |
| Rhinotropis lindheimeri (A.Gray) J.R.Abbott |
| Rhinotropis rusbyi (Greene) J.R.Abbott |
| Rhinotropis subspinosa (S.Watson) J.R.Abbott |
| Rhodiola integrifolia Raf. |
| Rhodiola rhodantha (A.Gray) H.Jacobsen |
| Rhysopterus plurijugus J.M.Coult. & Rose |
| Romanzoffia californica Greene |
| Romanzoffia sitchensis Bong. |
| Romanzoffia tracyi Jeps. |
| Rorippa subumbellata Rollins |
| Rubus nivalis Douglas |
| Rumex venosus Pursh |
| |
| Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & Kad. |
| Sabulina decumbens (T.W. & J.P.Nelson) Dillenb. & Kadereit |
| Sabulina macrantha (Rydb.) Dillenb. & Kadereit |
| Sabulina nuttallii (Pax) Dillenb. & Kadereit |
| Sabulina rosei (Maguire & Barneby) Dillenb. & Kadereit |
| Sabulina rubella (Wahlenb.) Dillenb. & Kadereit |
| Sabulina stolonifera (T.W. & J.P.Nelson) Dillenb. & Kad. |
| Sabulina stricta (Sw.) Rchb. |
| Salix boothii Dorn |
| Salix brachycarpa Nutt. |
| Salix cascadensis Cockerell |
| Salix nivalis Hook. |
| Salix petrophila Rydb. |
| Salvia dorrii (Kellogg) Abrams |
| Salvia sonomensis Greene |
| Sanicula arctopoides Hook. & Arn. |
| Saxifraga cernua L. sect. Mesogyne |
| Saxifraga cespitosa L. sect. Saxifraga |
| Saxifraga debilis Engelm. ex A.Gray sect. Mesogyne |
| Saxifraga hirculus L. sect. Ciliatae |
| Saxifraga hyperborea R.Br. sect. Mesogyne |
| Saxifraga chrysantha A.Gray sect. Ciliatae |
| Saxifraga mertensiana Bong. sect. Heterisia |
| Saxifragopsis fragarioides (Greene) Small |
| Scabrethia scabra (Hook.) W.A.Weber trib. Heliantheae |
| Scutellaria angustifolia Pursh |
| Scutellaria antirrhinoides Benth. |
| Scutellaria bolanderi A.Gray |
| Scutellaria nana A.Gray |
| Scutellaria siphocampyloides Vatke |
| Scutellaria tuberosa Benth. |
| Sedum albomarginatum R.T.Clausen |
| Sedum citrinum Zika |
| Sedum cockerellii Britton |
| Sedum debile S.Watson |
| Sedum divergens S.Watson |
| Sedum eastwoodiae (Britton) A.Berger |
| Sedum lanceolatum Torr. |
| Sedum laxum (Britton) A.Berger sect. Genuina |
| Sedum luteoviride R.T.Clausen |
| Sedum niveum Davidson |
| Sedum oblanceolatum R.T.Clausen |
| Sedum obtusatum A.Gray sect. Genuina |
| Sedum oreganum Nutt. |
| Sedum oregonense (S.Watson) M.E.Peck sect. Genuina |
| Sedum paradisum (Denton) Denton ex B.L.Wilson |
| Sedum spathulifolium Hook. |
| Sedum stelliforme S.Watson sect. Mexicali |
| Sedum stenopetalum Pursh |
| Senecio amplectens A.Gray trib. Senecioneae |
| Senecio fremontii Torr. & A.Gray trib. Senecioneae |
| Senecio pattersonensis Hoover trib. Senecioneae |
| Senecio scorzonella Greene trib. Senecioneae |
| Sibbaldia procumbens L. |
| Sidalcea multifida Greene |
| Sidalcea pedata A.Gray |
| Sidalcea ranunculacea Greene |
| Silene acaulis (L.) Jacq. |
| Silene aperta Greene |
| Silene bernardina S.Watson |
| Silene douglasii Hook. |
| Silene grayi S.Watson |
| Silene greenei (S.Watson ex B.L.Rob.) Howell |
| Silene hitchguirei Bocquet |
| Silene hookeri Nutt. |
| Silene invisa C.L.Hitchc. & Maguire |
| Silene kingii (S.Watson) Bocquet |
| Silene laciniata Cav. |
| Silene lemmonii S.Watson |
| Silene menziesii Hook. |
| Silene nachlingerae A.Tiehm |
| Silene oregana S.Watson |
| Silene parishii S.Watson |
| Silene petersonii Maguire |
| Silene sargentii S.Watson |
| Silene suksdorfii B.L.Rob. |
| Silene uralensis (Rupr.) Bocquet |
| Smelowskia americana (Regel & Herder) Rydb. |
| Smelowskia ovalis M.E.Jones |
| Solidago multiradiata Aiton trib. Astereae |
| Solidago nana Nutt. trib. Astereae |
| Solidago spathulata DC. trib. Astereae |
| Sphaeralcea caespitosa M.E.Jones |
| Sphaeralcea coccinea (Nutt.) Rydb. |
| Sphaeralcea hastulata A.Gray |
| Sphaeralcea leptophylla (A.Gray) Rydb. |
| Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |
| Sphaeralcea parvifolia A.Nelson |
| Sphaeralcea psoraloides S.L.Welsh |
| Sphaeralcea rusbyi A.Gray |
| Stachys rothrockii A.Gray |
| Stellaria irrigua Bunge |
| Stellaria longipes Goldie |
| Stenotus acaulis (Nutt.) Nutt. trib. Astereae |
| Stenotus armerioides Nutt. trib. Astereae |
| Stenotus lanuginosus (A.Gray) Greene trib. Astereae |
| Stephanomeria lactucina A.Gray trib. Cichorieae |
| Stephanomeria parryi A.Gray trib. Cichorieae |
| Stephanomeria runcinata Nutt. trib. Cichorieae |
| Suksdorfia ranunculifolia (Hook.) Engl. |
| Swertia perennis L. |
| Symphyotrichum foliaceum var. apricum (A.Gray) G.L.Nesom trib. Astereae |
| Symphyotrichum foliaceum var. parryi (D.C.Eaton) G.L.Nesom trib. Astereae |
| Symphyotrichum potosinum (A.Gray) G.L.Nesom trib. Astereae |
| |
| Tanacetum bipinnatum (L.) Sch.Bip. trib. Anthemideae |
| Taraxacum californicum Munz & I.M.Johnst. trib. Cichorieae |
| Taraxacum ceratophorum (Ledeb.) DC. trib. Cichorieae |
| Taraxacum scopulorum (A.Gray) Rydb. trib. Cichorieae |
| Telesonix heucheriformis (Rydb.) Rydb. |
| Tellima grandiflora (Pursh) Douglas ex Lindl. |
| Tetradymia canescens DC. trib. Senecioneae |
| Tetraneuris acaulis (Pursh) Greene trib. Helenieae |
| Tetraneuris argentea (A.Gray) Greene trib. Helenieae |
| Tetraneuris ivesiana Greene trib. Helenieae |
| Tetraneuris torreyana (Nutt.) Greene trib. Helenieae |
| Tetraneuris verdiensis R.A.Denham & B.L.Turner trib. Helenieae |
| Teucrium laciniatum Torr. |
| Thalictrum alpinum L. |
| Thelesperma subnudum A.Gray trib. Coreopsidae |
| Thermopsis macrophylla Hook. & Arn. trib. Thermopsideae |
| Tiarella trifoliata L. |
| Tiquilia canescens (A.DC.) A.T.Richardson |
| Tiquilia latior (I.M.Johnst.) A.T.Richardson |
| Toiyabea alpina (L.C.Anders. & Goodrich) R.P.Roberts & al. trib. Astereae |
| Tonestus eximius (H.M.Hall) A.Nelson & J.F.Macbr. trib. Astereae |
| Tonestus graniticus G.L.Nesom & D.R.Morgan trib. Astereae |
| Tonestus lyallii (A.Gray) A.Nelson trib. Astereae |
| Townsendia aprica S.L.Welsh & Reveal trib. Astereae |
| Townsendia condensata Parry trib. Astereae |
| Townsendia exscapa (Richardson) Porter trib. Astereae |
| Townsendia florifera (Hook.) A.Gray trib. Astereae |
| Townsendia formosa Greene trib. Astereae |
| Townsendia hookeri Beaman trib. Astereae |
| Townsendia incana Nutt. trib. Astereae |
| Townsendia jonesii (Beaman) Reveal trib. Astereae |
| Townsendia leptotes (A.Gray) Osterh. trib. Astereae |
| Townsendia mensana M.E.Jones trib. Astereae |
| Townsendia minima Eastw. trib. Astereae |
| Townsendia montana M.E.Jones trib. Astereae |
| Townsendia parryi D.C.Eaton trib. Astereae |
| Townsendia scapigera D.C.Eaton trib. Astereae |
| Townsendia smithii L.M.Shultz & A.H.Holmgren trib. Astereae |
| Townsendia strigosa Nutt. trib. Astereae |
| Tricardia watsonii Torr. ex S.Watson |
| Trifolium andersonii A.Gray trib. Trifolieae |
| Trifolium andinum Nutt. trib. Trifolieae |
| Trifolium bolanderi A.Gray trib. Trifolieae |
| Trifolium dasyphyllum Torr. & A.Gray trib. Trifolieae |
| Trifolium dedeckerae J.M.Gillett trib. Trifolieae |
| Trifolium friscanum (S.L.Welsh) S.L.Welsh trib. Trifolieae |
| Trifolium gymnocarpon Nutt. trib. Trifolieae |
| Trifolium haydenii Porter trib. Trifolieae |
| Trifolium lemmonii S.Watson trib. Trifolieae |
| Trifolium longipes Nutt. trib. Trifolieae |
| Trifolium macrocephalum (Pursh) Poir. trib. Trifolieae |
| Trifolium monanthum A.Gray trib. Trifolieae |
| Trifolium nanum Torr. trib. Trifolieae |
| Trifolium parryi A.Gray trib. Trifolieae |
| Trifolium rollinsii J.M.Gillet trib. Trifolieae |
| |
| Vaccinium cespitosum Michx. |
| Vaccinium deliciosum Piper |
| Vaccinium membranaceum Douglas ex Torr. |
| Vaccinium oxycoccos L. |
| Vaccinium scoparium Leiberg ex Coville |
| Valeriana arizonica A.Gray |
| Vancouveria hexandra (Hook.) C.Morren & Decne. |
| Vancouveria chrysantha Greene |
| Vancouveria planipetala Calloni |
| Verbena bipinnatifida Nutt. |
| Veronica besseya M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica californica M.M.Mart.Ort. & Albach |
| Veronica copelandii Eastw. subgen. Veronica |
| Veronica cusickii A.Gray subgen. Veronica |
| Veronica missurica Raf. subgen. Synthyris |
| Veronica paysonii (Pennell) M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica plantaginea E.James subgen. Synthyris |
| Veronica ranunculina (Pennell) M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica regina-nivalis M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica utahensis M.M.Mart.Ort. & Albach subgen. Synthyris |
| Veronica wyomingensis (A.Nelson) M.M.Mart.Ort. & Albach subgen. Synthyris |
| Vesper bulbosus (A.Nelson) R.L.Hartm. & G.L.Nesom |
| Vesper multinervatus (J.M.Coult. & Rose) R.L.Hartm. |
| 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 canadensis L. sect. Viola |
| Viola clauseniana M.S.Baker |
| Viola cuneata S.Watson sect. Viola |
| Viola douglasii Steud. sect. Viola |
| Viola frank-smithii N.H.Holmgren |
| Viola glabella Nutt. sect. Chamaemelanium |
| Viola hallii A.Gray sect. Viola |
| Viola howellii A.Gray |
| Viola charlestonensis M.S.Baker & J.C.Clausen |
| Viola langsdorfii Fisch. ex Ging. sect. Viola |
| Viola lithion N.H.Holmgren & P.K.Holmgren |
| Viola lobata Benth. sect. Viola |
| Viola macloskeyi F.E.Lloyd sect. Viola |
| Viola nephrophylla Greene sect. Viola |
| Viola nuttallii Pursh sect. Viola |
| Viola ocellata Torr. & A.Gray sect. Viola |
| Viola pedatifida G.Don sect. Viola |
| Viola pedunculata Torr. & A.Gray sect. Viola |
| Viola pinetorum Greene |
| Viola praemorsa Douglas |
| Viola purpurea Kellogg |
| Viola quercetorum M.S.Baker & J.C.Clausen |
| Viola sempervirens Greene sect. Viola |
| Viola sheltonii Torr. sect. Viola |
| Viola sororia Willd. sect. Viola |
| Viola tomentosa M.S.Baker & J.C.Clausen |
| Viola umbraticola Kunth |
| Viola utahensis M.S.Baker & J.C.Clausen |
| |
| Whipplea modesta Torr. |
| Wyethia angustifolia (DC.) Nutt. trib. Heliantheae |
| Wyethia arizonica A.Gray trib. Heliantheae |
| Wyethia glabra A.Gray trib. Heliantheae |
| Wyethia helenioides (DC.) Nutt. trib. Heliantheae |
| Wyethia helianthoides Nutt. trib. Heliantheae |
| Wyethia mollis A.Gray trib. Heliantheae |
| |
| Xanthisma grindelioides (Nutt.) D.R.Morgan & R.L.Hartm. trib. Astereae |
| Xylorhiza confertifolia (Cronquist) T.J.Watson trib. Astereae |
| Xylorhiza cronquistii S.L.Welsh & N.D.Atwood trib. Astereae |
| Xylorhiza glabriuscula Nutt. trib. Astereae |
| Xylorhiza linearifolia (T.J.Watson) G.L.Nesom trib. Astereae |
| Xylorhiza venusta (M.E.Jones) A.Heller trib. Astereae |
| |
| Zinnia acerosa (DC.) A.Gray trib. Heliantheae |
| Zinnia grandiflora Nutt. trib. Heliantheae |