| | |
| | Abronia elliptica A.Nelson |
| | Abronia fragrans Nutt. ex Hook. |
| | Abronia mellifera Douglas ex Hook. |
| | Abronia nana S.Watson |
| | Acmispon oroboides (Kunth) Brouillet trib. Loteae |
| | Actaea rubra (Aiton) Willd. |
| | Agoseris aurantiaca (Hook.) Greene trib. Cichorieae |
| | Agoseris glauca (Pursh) Raf. trib. Cichorieae |
| | Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| | Agoseris parviflora (Nutt.) D.Dietr. trib. Cichorieae |
| | Agoseris purpurea (A.Gray) Greene |
| | Agoseris retrorsa (Benth.) Greene trib. Cichorieae |
| | Aliciella caespitosa (A.Gray) J.M.Porter |
| | Aliciella stenothyrsa (A.Gray) J.M.Porter |
| | Aliciella subnuda (Torr. ex A.Gray) J.M.Porter |
| | Amsonia arenaria Standl. trib. Vinceae |
| | Amsonia jonesii Woodson trib. Vinceae |
| | Androsace lehmanniana Spreng. sect. Chamaejasme |
| | Anemone hudsoniana (DC.) Richardson |
| | Anemone parviflora Michx. |
| | Anemone stylosa A.Nelson |
| | Anemone tetonensis Porter ex Britton |
| | Anemone tuberosa Rydb. |
| | Anemonoides piperi (Rydb.) Holub |
| | Antennaria anaphaloides Rydb. trib. Gnaphalieae |
| | Antennaria arida E.E.Nelson trib. Gnaphalieae |
| | Antennaria confinis Greene trib. Gnaphalieae |
| | Antennaria corymbosa E.E.Nelson trib. Gnaphalieae |
| | Antennaria dimorpha Torr. & A.Gray trib. Gnaphalieae |
| | Antennaria howellii Greene trib. Gnaphalieae |
| | Antennaria lanata Greene |
| | Antennaria luzuloides Torr. & Gray trib. Gnaphalieae |
| | Antennaria media Greene trib. Gnaphalieae |
| | Antennaria microphylla Rydb. trib. Gnaphalieae |
| | Antennaria parvifolia Nutt. trib. Gnaphalieae |
| | Antennaria pulcherrima (Hook.) Greene trib. Gnaphalieae |
| | Antennaria pulvinata Greene trib. Gnaphalieae |
| | Antennaria rosea Greene trib. Gnaphalieae |
| | Antennaria rosulata Rydb. 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 flavescens S.Watson |
| | Aquilegia formosa Fisch. ex DC. |
| | Aquilegia grahamii S.L.Welsh & Goodrich |
| | Aquilegia chrysantha A.Gray |
| | Aquilegia loriae S.L.Welsh & N.D.Atwood |
| | Aquilegia micrantha Eastw. |
| | Aquilegia pinetorum Tidestr. |
| | Aquilegia scopulorum Tidestr. |
| | Arabis nuttallii (Kuntze) B.L.Rob. |
| | Arctomecon californica Torr. & Frém. |
| | Arctomecon humilis Coville |
| | Arctostaphylos pungens Kunth |
| | Arenaria saxosa A.Gray |
| | Arnica cordifolia Hook. trib. Heliantheae |
| | Arnica fulgens Pursh trib. Heliantheae |
| | Arnica gracilis Rydb. trib. Heliantheae |
| | Arnica chamissonis Less. trib. Heliantheae |
| | Arnica latifolia Bong. trib. Heliantheae |
| | Arnica 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 capitata (Nutt.) Són.Garcia & al. trib. Anthemideae |
| | Artemisia carruthii Alph.Wood ex J.H.Carruth trib. Anthemideae |
| | Artemisia frigida Willd. trib. Anthemideae |
| | Artemisia inaequifolia Són.Garcia & al. trib. Anthemideae |
| | Artemisia longiloba (Osterh.) Beetle trib. Anthemideae |
| | Artemisia nova A.Nelson trib. Anthemideae |
| | Artemisia parryi A.Gray trib. Anthemideae |
| | Artemisia pygmaea A.Gray trib. Anthemideae |
| | Artemisia ruthiae (A.H.Holmgren & al.) Són.Garcia & al. trib. Anthemideae |
| | Artemisia saxicola Rydb. trib. Anthemideae |
| | Artemisia scopulorum A.Gray trib. Anthemideae |
| | Artemisia spinescens D.C.Eaton trib. Anthemideae |
| | Artemisia viscidula Rydb. trib. Anthemideae |
| | Asclepias cryptoceras S.Watson trib. Asclepiadeae |
| | Asclepias uncialis Greene trib. Asclepiadeae |
| | Askellia pygmaea (Ledeb.) Sennikov trib. Cichorieae |
| | Astragalus aboriginorum Richardson trib. Galegeae |
| | Astragalus agrestis Douglas ex G.Don sect. Hypoglottidei |
| | Astragalus amphioxys A.Gray trib. Galegeae |
| | Astragalus ampullarius S.Watson trib. Galegeae |
| | Astragalus anserinus N.D.Atwood, Goodrich & S.L.Welsh trib. Galegeae |
| | Astragalus aretioides (M.E.Jones) Barneby |
| | Astragalus argillosus M.E.Jones trib. Galegeae |
| | Astragalus argophyllus Nutt. |
| | Astragalus bodinii E.Sheld. trib. Galegeae |
| | Astragalus brandegeei Porter & J.M.Coulter trib. Galegeae |
| | Astragalus callithrix Barneby |
| | Astragalus calycosus Torr. ex S.Watson |
| | Astragalus ceramicus E.Sheld. trib. Galegeae |
| | Astragalus cibarius E.Sheld. |
| | Astragalus consobrinus (Barneby) S.L.Welsh trib. Galegeae |
| | Astragalus cottamii S.L.Welsh trib. Galegeae |
| | Astragalus cronquistii Barneby |
| | Astragalus curtilobus Tidestr. trib. Galegeae |
| | Astragalus cymboides M.E.Jones |
| | Astragalus desereticus Barneby trib. Galegeae |
| | Astragalus desperatus M.E.Jones trib. Galegeae |
| | Astragalus detritalis M.E.Jones |
| | Astragalus diphysus A.Gray trib. Galegeae |
| | Astragalus drummondii Douglas ex Hook. trib. Galegeae |
| | Astragalus eastwoodiae M.E.Jones trib. Galegeae |
| | Astragalus ensiformis M.E.Jones trib. Galegeae |
| | Astragalus eurekensis M.E.Jones trib. Galegeae |
| | Astragalus fallax S.Watson |
| | Astragalus flavus Nutt. |
| | Astragalus garrettii J.F.Macbr. trib. Galegeae |
| | Astragalus gilviflorus E.Sheld. trib. Galegeae |
| | Astragalus glareosus Douglas trib. Galegeae |
| | Astragalus hallii A.Gray |
| | Astragalus hamiltonii Ced.Porter trib. Galegeae |
| | Astragalus henrimontanensis S.L.Welsh |
| | Astragalus holmgreniorum Barneby trib. Galegeae |
| | Astragalus humistratus A.Gray trib. Galegeae |
| | Astragalus chamaeleuce A.Gray |
| | Astragalus chloodes Barneby |
| | Astragalus impensus (E.Sheld.) Wooton & Standl. trib. Galegeae |
| | Astragalus iodanthus S.Watson trib. Galegeae |
| | Astragalus jejunus S.Watson |
| | Astragalus jessiae M.Peck trib. Galegeae |
| | Astragalus laccoliticus (M.E.Jones) S.L.Welsh |
| | Astragalus limnocharis Barneby trib. Galegeae |
| | Astragalus loanus Barneby trib. Galegeae |
| | Astragalus lutosus M.E.Jones trib. Galegeae |
| | Astragalus megacarpus (Nutt.) A.Gray |
| | Astragalus merrillii (Rydb.) Tidestr. trib. Galegeae |
| | Astragalus missouriensis Nutt. trib. Galegeae |
| | Astragalus moencoppensis M.E.Jones |
| | Astragalus montii S.L.Welsh 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 oophorus S.Watson trib. Galegeae |
| | Astragalus palans M.E.Jones trib. Galegeae |
| | Astragalus panguicensis (M.E.Jones) M.E.Jones |
| | 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 preussii A.Gray |
| | Astragalus pubentissimus Torr. & A.Gray |
| | Astragalus purshii Douglas ex G.Don trib. Galegeae |
| | Astragalus rydbergii J.F.Macbr. trib. Galegeae |
| | Astragalus sabulosus M.E.Jones trib. Galegeae |
| | Astragalus salinus Howell trib. Galegeae |
| | Astragalus saurinus Barneby trib. Galegeae |
| | Astragalus scaposus A.Gray |
| | Astragalus serpens M.E.Jones trib. Galegeae |
| | Astragalus sesquiflorus S.Watson trib. Galegeae |
| | Astragalus spatulatus E.Sheld. |
| | Astragalus straturensis M.E.Jones trib. Galegeae |
| | Astragalus striatiflorus M.E.Jones trib. Galegeae |
| | Astragalus striatus Nutt. sect. Onobrychoidei |
| | Astragalus subcinereus A.Gray trib. Galegeae |
| | Astragalus tegetarius S.Watson trib. Galegeae |
| | Astragalus tetrapterus A.Gray |
| | Astragalus thompsoniae S.Watson trib. Galegeae |
| | Astragalus uncialis Barneby trib. Galegeae |
| | Astragalus utahensis (Torr.) Torr. & A.Gray |
| | Astragalus vehiculus (S.L.Welsh) S.L.Welsh trib. Galegeae |
| | Astragalus vespertinus E.Sheld. trib. Galegeae |
| | Astragalus welshii Barneby |
| | Astragalus wetherillii M.E.Jones |
| | Astragalus wingatanus S.Watson |
| | Astragalus zionis M.E.Jones |
| | Atriplex confertifolia (Torr. & Frémont) S.Watson |
| | Atriplex corrugata S.Watson |
| | |
| | Balsamorhiza hispidula W.M.Sharp trib. Heliantheae |
| | Balsamorhiza hookeri Nutt. trib. Heliantheae |
| | Berberis repens Lindl. |
| | Betula glandulosa Michx. |
| | Bistorta vivipara (L.) Delarbre |
| | Boechera drepanoloba (Greene) Windham & Al-Shehbaz |
| | Boechera duchesnensis (Rollins) Windham & al. |
| | Boechera falcatoria (Rollins) Dorn |
| | Boechera fendleri (S.Watson) W.A.Weber |
| | Boechera gracilipes (Greene) Dorn |
| | Boechera harrisonii (S.L.Welsh) Windham & Al-Shehbaz |
| | Boechera inyoensis (Rollins) 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. ex Torr. & A.Gray) Dorn |
| | Boechera pendulina (Greene) W.A.Weber |
| | Boechera pendulocarpa (A.Nelson) Windham & Al-Shehbaz |
| | Boechera perennans (S.Watson) W.A.Weber |
| | Boechera shockleyi (Munz) Dorn |
| | Boechera schistacea (Rollins) Dorn |
| | Boechera sparsiflora (Nutt.) Dorn |
| | Boechera subpinnatifida (S.Watson) Al-Shehbaz |
| | Boechera thompsonii (S.L.Welsh) N.H.Holmgren |
| | Boechera vivariensis (S.L.Welsh) W.A.Weber |
| | Brickellia atractyloides A.Gray trib. Eupatorieae |
| | Brickellia linifolia D.C.Eaton trib. Eupatorieae |
| | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| | Buddleja utahensis Coville |
| | |
| | Calyptridium umbellatum (Torr.) Greene |
| | Campanula parryi A.Gray |
| | Cardamine breweri S.Watson |
| | Castilleja aquariensis N.H.Holmgren |
| | Castilleja flava S.Watson |
| | Castilleja flavescens Pennel ex Edwin |
| | Castilleja haydenii (A.Gray) Cockerell |
| | Castilleja miniata Douglas ex Hook. |
| | Castilleja nana Eastw. |
| | Castilleja occidentalis Torr. |
| | Castilleja parvula Rydb. |
| | Castilleja pulchella Rydb. |
| | Castilleja revealii N.H.Holmgren |
| | Castilleja rhexiifolia Rydb. |
| | Castilleja scabrida Eastw. |
| | Castilleja viscida Rydb. |
| | Ceanothus fendleri A.Gray |
| | Ceanothus martini M.E.Jones |
| | Cerastium beeringianum Cham. & Schltdl. |
| | Cirsium tioganum (Congdon) Petr. trib. Cardueae |
| | Claytonia cordifolia S.Watson |
| | Claytonia lanceolata Pursh |
| | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| | Claytonia rosea Rydb. |
| | Clematis columbiana (Nutt.) Torr. & A.Gray |
| | Clematis grosseserrata (Rydb.) Ackerf. |
| | Clematis hirsutissima Pursh |
| | Clematis tenuiloba (A.Gray) C.L.Hitchc. |
| | Collomia debilis (S.Watson) Greene |
| | Crepis bakeri Greene trib. Cichorieae |
| | Crepis modocensis Greene trib. Cichorieae |
| | Crepis occidentalis Nutt. trib. Cichorieae |
| | Crepis pumila Rydb. trib. Cichorieae |
| | Cryptantha abata I.M.Johnst. |
| | Cusickiella douglasii (A.Gray) Rollins |
| | Cycladenia humilis Benth. |
| | Cymopterus albiflorus Torr. & A.Gray |
| | Cymopterus alpinus A.Gray |
| | Cymopterus bakeri (J.M.Coult. & Rose) M.E.Jones |
| | Cymopterus basalticus M.E.Jones |
| | Cymopterus coulteri (M.E.Jones) Mathias |
| | Cymopterus duchesnensis M.E.Jones |
| | Cymopterus evertii L.R.Hartm. & R.S.Kirkp. |
| | Cymopterus fendleri A.Gray |
| | Cymopterus foeniculaceus Torr. & A.Gray |
| | Cymopterus globosus (S.Watson) S.Watson |
| | Cymopterus glomeratus (Nutt.) DC. |
| | Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| | Cymopterus higginsii S.L.Welsh |
| | Cymopterus ibapensis M.E.Jones |
| | 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 minimus (Mathias) Mathias |
| | Cymopterus newberryi (S.Watson) M.E.Jones |
| | Cymopterus purpureus S.Watson |
| | Cymopterus rosei (M.E.Jones ex J.M.Coult. & Rose) M.E.Jones |
| | Cymopterus sessiliflorus (W.L.Theob. & C.C.Tseng) R.L.Hartm. |
| | |
| | Dalea candida Willd. trib. Amorpheae |
| | Dalea flavescens (S.Watson) S.L.Welsh trib. Amorpheae |
| | Dalea oligophylla (Torr.) Shinners trib. Amorpheae |
| | Dasiphora fruticosa (L.) Rydb. |
| | Delphinium andersonii A.Gray |
| | Delphinium nuttallianum Pritz. ex Walp. |
| | Delphinium scaposum Greene |
| | Dicentra uniflora Kellogg |
| | Draba abajoensis Windham & Al-Shehbaz |
| | Draba albertina Greene |
| | Draba aurea Vahl ex Hornem. sect. Phyllodraba |
| | Draba burkei (C.L.Hitchc.) Windham & Beilstein |
| | Draba cana Rydb. |
| | Draba crassa Rydb. sect. Phyllodraba |
| | Draba crassifolia Graham |
| | Draba densifolia Nutt. sect. Chrysodraba |
| | Draba fladnizensis Wulfen sect. Leucodraba |
| | Draba globosa Payson |
| | Draba incerta Payson |
| | Draba inexpectata S.L.Welsh |
| | Draba kassii S.L.Welsh |
| | Draba lonchocarpa Rydb. sect. Leucodraba |
| | Draba maguirei C.L.Hitchc. |
| | Draba novolympica Payson & H.St.John |
| | Draba pectinipila Rollins |
| | Draba pedicellata (Rollins & R.A.Price) Windham |
| | Draba ramulosa Rollins |
| | Draba sobolifera Rydb. sect. Chrysodraba |
| | Draba subalpina Goodman & C.L.Hitchc. |
| | Draba ventosa A.Gray sect. Chrysodraba |
| | Draba zionensis C.L.Hitchc. |
| | Dryas hookeriana Juz. |
| | Drymocallis arguta (Pursh) Rydb. |
| | Drymocallis fissa (Nutt.) Rydb. |
| | Drymocallis pseudorupestris (Rydb.) Rydb. |
| | Dudleya arizonica Rose |
| | |
| | Encelia nutans Eastw. trib. Heliantheae |
| | Enceliopsis nudicaulis A.Nelson trib. Heliantheae |
| | Epilobium anagallidifolium Lam. |
| | 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 nevadense Munz |
| | Epilobium oregonense Hausskn. |
| | Epilobium saximontanum Hausskn. |
| | Epilobium smithii H.Lév. |
| | Epilobium suffruticosum Nutt. |
| | Eremogone aculeata (S.Watson) Ikonn. |
| | Eremogone congesta (Nutt.) Ikonn. |
| | Eremogone eastwoodiae (Rydb.) Ikonn. |
| | Eremogone fendleri (A.Gray) Ikonn. |
| | Eremogone ferrisiae (Abrams) R.L.Hartm. & Rabeler |
| | Eremogone hookeri (Nutt.) W.A.Weber |
| | Eremogone kingii (S.Watson) Ikonn. |
| | Eremogone lithophila (Rydb.) P.M.Sl. |
| | Eremogone macradenia (S.Watson) Ikonn. |
| | Eremogone subcongesta (S.Watson) P.M.Sl. |
| | Eremogone uintahensis (A.Nelson) P.M.Sl. |
| | Ericameria crispa (L.C.Anderson) G.L.Nesom trib. Astereae |
| | Ericameria discoidea (Nutt.) G.L.Nesom trib. Astereae |
| | Ericameria laricifolia (A.Gray) Shinners trib. Astereae |
| | Ericameria lignumviridis (S.L.Welsh) G.L.Nesom 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 watsonii (A.Gray) G.L.Nesom trib. Astereae |
| | Ericameria zionis (L.C.Anderson) G.L.Nesom trib. Astereae |
| | Erigeron abajoensis Cronquist trib. Astereae |
| | Erigeron aphanactis Greene trib. Astereae |
| | Erigeron arenarioides (Eaton ex A.Gray) Rydb. trib. Astereae |
| | Erigeron argentatus A.Gray trib. Astereae |
| | Erigeron asperugineus A.Gray trib. Astereae |
| | Erigeron caespitosus Nutt. trib. Astereae |
| | Erigeron canaani S.L.Welsh trib. Astereae |
| | Erigeron canus A.Gray 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 condensatus (D.C.Eaton) Greene trib. Astereae |
| | Erigeron congestus Greene 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 engelmannii A.Nelson trib. Astereae |
| | Erigeron filifolius (Hook.) Nutt. trib. Astereae |
| | Erigeron flagellaris A.Gray 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 goodrichii S.L.Welsh trib. Astereae |
| | Erigeron grandiflorus Hook. trib. Astereae |
| | Erigeron humilis Graham trib. Astereae |
| | Erigeron jonesii Cronquist trib. Astereae |
| | Erigeron kachinensis S.L.Welsh & Gl.Moore trib. Astereae |
| | Erigeron leiomerus A.Gray trib. Astereae |
| | Erigeron linearis (Hook.) Piper trib. Astereae |
| | Erigeron maguirei Cronquist trib. Astereae |
| | Erigeron mancus Rydb. trib. Astereae |
| | Erigeron melanocephalus A.Nelson trib. Astereae |
| | Erigeron nanus Nutt. trib. Astereae |
| | Erigeron nauseosus (M.E.Jones) A.Nelson trib. Astereae |
| | Erigeron nematophyllus Rydb. trib. Astereae |
| | Erigeron nivalis Nutt. trib. Astereae |
| | Erigeron pulcherrimus A.Heller trib. Astereae |
| | Erigeron pumilus Nutt. trib. Astereae |
| | Erigeron radicatus Hook. trib. Astereae |
| | Erigeron sionis Cronquist trib. Astereae |
| | Erigeron tener (A.Gray) A.Gray 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 ammophilum Reveal |
| | Eriogonum arcuatum Greene sect. Oligogonum |
| | Eriogonum aretioides Barneby sect. Eucycla |
| | Eriogonum aureum M.E.Jones sect. Oligogonum |
| | Eriogonum bannockense (S.Stokes) R.J.Davis sect. Eucycla |
| | Eriogonum batemanii M.E.Jones sect. Eucycla |
| | Eriogonum bicolor M.E.Jones sect. Eucycla |
| | Eriogonum brevicaule Nutt. sect. Eucycla |
| | Eriogonum caespitosum Nutt. sect. Oligogonum |
| | Eriogonum clavellatum Small sect. Eucycla |
| | Eriogonum contortum Small sect. Eucycla |
| | Eriogonum corymbosum Benth. sect. Eucycla |
| | Eriogonum cronquistii Reveal sect. Eucycla |
| | Eriogonum desertorum (Maguire) R.J.Davis sect. Eucycla |
| | Eriogonum ephedroides Reveal sect. Eucycla |
| | Eriogonum eremicum Reveal sect. Eucycla |
| | Eriogonum heermannii Durand & Hilg. sect. Eucycla |
| | Eriogonum heracleoides Nutt. sect. Oligogonum |
| | Eriogonum hylophilum Reveal & Brotherson sect. Eucycla |
| | Eriogonum chrysocephalum A.Gray sect. Eucycla |
| | Eriogonum jamesii Benth. sect. Oligogonum |
| | Eriogonum laxiflorum (Hook.) Nutt. ex Benth. |
| | Eriogonum leptophyllum (Torr.) Wooton & Standl. sect. Eucycla |
| | Eriogonum loganum A.Nelson sect. Eucycla |
| | Eriogonum mancum Rydb. sect. Eucycla |
| | Eriogonum microtheca Nutt. sect. Eucycla |
| | Eriogonum mitophyllum Reveal sect. Eucycla |
| | Eriogonum nanum Reveal sect. Eucycla |
| | Eriogonum natum Reveal sect. Eucycla |
| | Eriogonum nivale Canby ex Coville sect. Eucycla |
| | Eriogonum ostlundii M.E.Jones |
| | Eriogonum ovalifolium Nutt. sect. Eucycla |
| | Eriogonum panguicense (M.E.Jones) Reveal sect. Eucycla |
| | Eriogonum phoeniceum L.M.Shultz sect. Eucycla |
| | Eriogonum polifolium Benth. sect. Eucycla |
| | Eriogonum porteri Small sect. Oligogonum |
| | Eriogonum purpureum (Nutt.) Nutt. ex Benth. sect. Eucycla |
| | Eriogonum racemosum Nutt. sect. Eucycla |
| | Eriogonum revelianum S.L.Welsh |
| | Eriogonum shockleyi S.Watson sect. Eucycla |
| | Eriogonum simpsonii Benth. |
| | Eriogonum soredium Reveal sect. Eucycla |
| | Eriogonum spathulatum A.Gray sect. Eucycla |
| | Eriogonum subalpinum Greene sect. Oligogonum |
| | Eriogonum sulcatum S.Watson |
| | Eriogonum tumulosum (Barneby) Reveal sect. Eucycla |
| | Eriogonum umbellatum Torr. sect. Oligogonum |
| | Eriogonum villiflorum A.Gray sect. Eucycla |
| | Eriogonum viridulum Reveal sect. Eucycla |
| | Eriogonum wrightii Torr. ex Benth. sect. Eucycla |
| | Eriophyllum integrifolium (Hook.) Greene trib. Helenieae |
| | Eritrichium argenteum W.Wight |
| | Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| | Erysimum amoenum (Greene) Rydb. |
| | Erysimum capitatum (Douglas) Greene |
| | 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 moschata (Douglas ex Lindl.) 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 lurida Engelm. |
| | Eurybia kingii (D.C.Eaton) G.L.Nesom trib. Astereae |
| | Eurybia merita (A.Nelson) G.L.Nesom trib. Astereae |
| | Evolvulus nuttallianus Roem. & Schult. |
| | |
| | Fallugia paradoxa (D.Don ex Tilloch) Endl. ex Torr. |
| | Frasera ackermaniae C.C.Newb. & Goodrich |
| | Frasera albomarginata S.Watson |
| | Frasera gypsicola (Barneby) D.M.Post |
| | |
| | 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 hypotrichium A.Gray |
| | Gaultheria humifusa (Graham) Rydb. |
| | Gentiana affinis Griseb. sect. Pneumonanthe |
| | Gentiana algida Pall. sect. Frigidae |
| | Gentiana calycosa Griseb. sect. Pneumonanthe |
| | Gentiana parryi Engelm. sect. Pneumonanthe |
| | Gentianopsis barbellata (Engelm.) Iltis |
| | Geranium caespitosum E.James |
| | Geranium richardsonii Fisch. & Trautv. |
| | Geranium viscosissimum Fisch. & C.A.Mey. |
| | Geum ciliatum Pursh |
| | Geum rossii (R.Br.) Ser. |
| | Geum triflorum Pursh |
| | Grayia spinosa (Hook.) Moq. |
| | Gutierrezia petradoria (S.L.Welsh & Goodrich) S.L.Welsh trib. Astereae |
| | Gutierrezia sarothrae (Pursh) Britton & Rusby trib. Astereae |
| | |
| | Hackelia micrantha (Eastw.) J.L.Gentry |
| | Hackelia patens (Nutt.) I.M.Johnst. |
| | Hedysarum boreale Nutt. trib. Hedysareae |
| | Hesperidanthus argillaceus (S.L.Welsh & N.D.Atwood) Al-Shehbaz |
| | Hesperidanthus barnebyi (S.L.Welsh & N.D.Atwood) Al-Shehbaz |
| | Hesperidanthus suffrutescens (Rollins) Al-Shehbaz |
| | Hesperochiron nanus (Lindl.) Greene |
| | Hesperochiron pumilus (Griseb.) Porter |
| | Heterotheca depressa (Rydb.) Dorn trib. Astereae |
| | Heterotheca jonesii (S.F.Blake) S.L.Welsh & N.D.Atwood trib. Astereae |
| | Heterotheca polothrix G.L.Nesom trib. Astereae |
| | Heuchera parvifolia Nutt. |
| | Heuchera rubescens Torr. |
| | Hieracium triste Willd. ex Spreng. trib. Cichorieae |
| | Houstonia rubra Cav. |
| | 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 floribunda Cockerell 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 subintegra Cockerell trib. Helenieae |
| | Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| | Hypericum scouleri Hook. sect. Hypericum |
| | |
| | Chaenactis alpina (A.Gray) M.E.Jones |
| | Chaenactis douglasii Hook. & Arn. trib. Helenieae |
| | Chaetopappa ericoides (Torr.) G.L.Nesom trib. Astereae |
| | Chamaechaenactis scaposa Rydb. trib. Helenieae |
| | Chamaerhodos erecta (L.) Bunge |
| | Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb. |
| | Chimaphila menziesii (R.Br. ex D.Don) Spreng. |
| | Chimaphila umbellata (L.) W.P.C.Barton |
| | Chrysothamnus axillaris D.D.Keck trib. Astereae |
| | Chrysothamnus depressus (Nutt.) L.C.Anderson trib. Astereae |
| | Chrysothamnus lanceolatus Nutt. trib. Astereae |
| | Chrysothamnus vaseyi Greene trib. Astereae |
| | Chrysothamnus viscidiflorus Nutt. trib. Astereae |
| | |
| | Ionactis alpina (Nutt.) Greene trib. Astereae |
| | Ipomopsis arizonica (Greene) Wherry |
| | Ipomopsis congesta (Hook.) V.E.Grant |
| | Ipomopsis longiflora (Torr.) V.E.Grant |
| | Ipomopsis roseata (Rydb.) V.E.Grant |
| | Ipomopsis spicata (Nutt.) V.E.Grant |
| | Ipomopsis tenuituba (Rydb.) V.E.Grant |
| | Isocoma humilis G.L.Nesom trib. Astereae |
| | |
| | Kalmia microphylla (Hook.) A.Heller |
| | Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit |
| | |
| | Laphamia stansburyi A.Gray trib. Heliantheae |
| | Lathyrus brachycalyx Rydb. trib. Vicieae |
| | Lathyrus zionis C.L.Hitch. trib. Vicieae |
| | Lepidium barnebyanum Reveal |
| | 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 |
| | Lewisia brachycalyx Engelm. ex A.Gray sect. Pygmaea |
| | Lewisia minor Rydb. sect. Rediviva |
| | Lewisia nevadensis (A.Gray) B.L.Rob. sect. Pygmaea |
| | Lewisia pygmaea (A.Gray) B.L.Rob. sect. Pygmaea |
| | Lewisia rediviva Pursh sect. Rediviva |
| | Linanthus caespitosus (Nutt.) J.M.Porter & L.A.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 glabrum Nutt. |
| | Lithophragma parviflorum (Hook.) Nutt. |
| | Lithophragma tenellum Nutt. |
| | Lithospermum incisum Lehm. |
| | Lomatium ambiguum (Nutt.) J.M.Coult. & Rose |
| | Lomatium cous (S.Watson) J.M.Coult. & Rose |
| | Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium juniperinum (M.E.Jones) J.M.Coult. & Rose |
| | Lomatium latilobum (Rydb.) Mathias |
| | Lomatium linearifolium (S.Watson) J.F.Sm. & Mansfield |
| | Lomatium macdougalii J.M.Coult. & Rose |
| | Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| | Lomatium minimum (Mathias) Mathias |
| | Lomatium nevadense (S.Watson) J.M.Coult. & Rose |
| | Lomatium orientale J.M.Coult. & Rose |
| | Lomatium parishii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium scabrum (J.M.Coult. & Rose) Mathias |
| | Lomatium serpentinum (M.E.Jones) Mathias |
| | Lupinus argenteus Pursh trib. Genisteae |
| | Lupinus aridus Douglas trib. Genisteae |
| | Lupinus breweri A.Gray trib. Genisteae |
| | Lupinus crassus Payson trib. Genisteae |
| | Lupinus fulvomaculatus Payson trib. Genisteae |
| | Lupinus laxiflorus Douglass ex Lindl. trib. Genisteae |
| | Lupinus monticola Rydb. trib. Genisteae |
| | Lupinus palmeri S.Watson trib. Genisteae |
| | Lupinus parviflorus Nutt. ex. Hook. & Arn. trib. Genisteae |
| | Lupinus sericeus Pursh trib. Genisteae |
| | Lupinus watsonii A.Heller trib. Genisteae |
| | Lygodesmia dianthopsis (D.C.Eaton) Tomb trib. Cichorieae |
| | Lygodesmia entrada S.L.Welsh & Goodrich trib. Cichorieae |
| | Lygodesmia grandiflora (Nutt.) Torr. & A.Gray trib. Cichorieae |
| | Lygodesmia juncea (Pursh) D.Don ex Hook. trib. Cichorieae |
| | |
| | Melanocalyx uniflora (L.) Morin |
| | Menodora scabra Engelm. ex A.Gray |
| | Mentzelia argillosa J.Darl. |
| | Mentzelia decapetala (Sims) Urb. |
| | Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray |
| | Mertensia arizonica Greene |
| | Mertensia brevistyla S.Watson |
| | Mertensia ciliata (E.James ex Torr.) G.Don |
| | Mertensia coriacea A.Nelson |
| | Mertensia franciscana A.Heller |
| | Mertensia oblongifolia (Nutt.) G.Don |
| | Micranthes nidifica (Greene) Small sect. Micranthes |
| | Micranthes rhomboidea (Greene) Small sect. Micranthes |
| | Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall sect. Intermediae |
| | Microseris troximoides A.Gray trib. Cichorieae |
| | Moehringia lateriflora (L.) Fenzl |
| | Monardella glauca Greene |
| | 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 |
| | Noccaea glauca (A.Nelson) Holub |
| | |
| | Oenothera acutissima W.L.Wagner sect. Lavauxia |
| | Oenothera albicaulis Pursh sect. Anogra |
| | Oenothera avita (W.M.Klein) W.E.Klein sect. Anogra |
| | 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 howardii (A.Nelson) M.E.Jones ex Prain sect. Megapterium |
| | Oenothera latifolia (Rydb.) Munz sect. Anogra |
| | Oenothera marginata Nutt. ex Hook. & Arn. sect. Pachylophus |
| | Oenothera pallida Lindl. sect. Anogra |
| | Oenothera runcinata (Engelm.) Munz sect. Anogra |
| | Oenothera trichocalyx Nutt. sect. Anogra |
| | Oreocarya bakeri Greene |
| | Oreocarya barnebyi (I.M.Johnst.) Hasenstab & M.G.Simpson |
| | Oreocarya breviflora Osterh. |
| | Oreocarya caespitosa A.Nelson |
| | Oreocarya cinerea Greene |
| | Oreocarya compacta (L.C.Higgins) R.B.Keelley |
| | Oreocarya confertiflora Greene |
| | 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 longiflora A.Nelson |
| | Oreocarya nitida Greene |
| | Oreocarya osterhoutii Payson |
| | Oreocarya paradoxa A.Nelson |
| | Oreocarya rollinsii (I.M.Johnst.) W.A.Weber |
| | Oreocarya sericea (A.Gray) Greene |
| | Oreocarya shackletteana (L.C..Higgins) R.B.Kelley |
| | Oreocarya spiculifera Piper |
| | Oreocarya suffruticosa (Torr.) Greene |
| | Oreocarya tenuis Eastw. |
| | Orthilia secunda (L.) House |
| | Oxyria digyna (L.) Hill |
| | Oxytropis australis (S.L.Welsh) P.M.Sl. trib. Galegeae |
| | Oxytropis besseyi (Rydb.) Blank. trib. Galegeae |
| | Oxytropis foliolosa Hook. sect. Mesogaea |
| | Oxytropis jonesii Barneby trib. Galegeae |
| | Oxytropis juniperina (S.L.Welsh) P.M.Sl. |
| | Oxytropis multiceps Nutt. trib. Galegeae |
| | Oxytropis obnapiformis Ced.Porter trib. Galegeae |
| | Oxytropis oreophila A.Gray trib. Galegeae |
| | Oxytropis parryi A.Gray trib. Galegeae |
| | Oxytropis patens (Rydb.) A.Nelson trib. Galegeae |
| | Oxytropis retrorsa Fernald sect. Mesogaea |
| | Oxytropis sericea Nutt. trib. Galegeae |
| | Oxytropis ventosa (Greene) P.M.Sl. trib. Galegeae |
| | Oxytropis viscida Nutt. trib. Galegeae |
| | Ozomelis stauropetala (Piper) Rydb. |
| | |
| | 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 malmstenii (S.F.Blake ex Tidestr.) Kartesz trib. Senecioneae |
| | Packera musiniensis (S.L.Welsh) Trock trib. Senecioneae |
| | Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve trib. Senecioneae |
| | Paeonia brownii Douglas ex Hook. |
| | Parnassia fimbriata K.D.Koenig |
| | 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. |
| | Pectiantia pentandra (Hook.) Rydb. |
| | Pedicularis centranthera A.Gray |
| | Pedicularis racemosa Douglas ex Benth. |
| | Pediomelum epipsilum (Barneby) S.L.Welsh trib. Psoraleeae |
| | Pediomelum megalanthum (Wooton & Standl.) Rydb. trib. Psoraleeae |
| | Pediomelum mephiticum (S.Watson) Rydb. trib. Psoraleeae |
| | Penstemon aberrans (M.E.Jones) P.M.Sl. sect. Penstemon |
| | Penstemon abietinus Pennell sect. Caespitosi |
| | Penstemon acaulis L.O.Williams sect. Cristati |
| | Penstemon aggregatus Pennell sect. Penstemon |
| | Penstemon ambiguus Torr. sect. Ambigui |
| | Penstemon ammophilus N.H.Holmgren & L.M.Shultz sect. Glabri |
| | Penstemon angustifolius Nutt. ex Pursh sect. Coerulei |
| | Penstemon atratus (D.D.Keck) P.M.Sl. sect. Caespitosi |
| | Penstemon atwoodii S.L.Welsh sect. Cristati |
| | Penstemon bracteatus D.D.Keck sect. Coerulei |
| | Penstemon breviculus (D.D.Keck) G.T.Nisbet & R.C.Jacks. sect. Cristati |
| | Penstemon brevifolius (A.Gray) A.Nelson sect. Penstemon |
| | Penstemon caespitosus Nutt. ex A.Gray sect. Caespitosi |
| | Penstemon carnosus Pennell sect. Coerulei |
| | Penstemon cleburnei M.E.Jones sect. Erianthera |
| | 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 congestus (M.E.Jones) Pennell sect. Coerulei |
| | Penstemon crandallii A.Nelson sect. Caespitosi |
| | Penstemon cyananthus Hook. sect. Glabri |
| | Penstemon cyanocaulis Payson sect. Glabri |
| | Penstemon desertipicti A.Nelson sect. Caespitosi |
| | Penstemon dolius M.E.Jones sect. Cristati |
| | Penstemon duchesnensis.(N.H.Holmgren) Neese sect. Cristati |
| | Penstemon flowersii Neese & S.L.Welsh sect. Coerulei |
| | Penstemon franklinii S.L.Welsh sect. Cristati |
| | Penstemon fremontii Torr. & A.Gray sect. Glabri |
| | Penstemon gibbensii Dorn sect. Glabri |
| | Penstemon goodrichii N.H.Holmgren sect. Cristati |
| | Penstemon grahamii D.D.Keck sect. Cristati |
| | Penstemon heterander Torr. & A.Gray sect. Penstemon |
| | Penstemon higginsii (Neese) N.H.Holmgren & N.D.Atwood 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 laevis Pennell sect. Glabri |
| | Penstemon leiophyllus Pennell sect. Glabri |
| | Penstemon lentus Pennell sect. Coerulei |
| | Penstemon leonardii Rydb. sect. Saccanthera |
| | Penstemon longiflorus (Pennell) S.L.Clark sect. Glabri |
| | Penstemon marcusii (D.D.Keck) N.H.Holmgren sect. Cristati |
| | Penstemon moffatii Eastw. sect. Cristati |
| | Penstemon montanus Greene sect. Erianthera |
| | Penstemon mucronatus N.H.Holmgren sect. Coerulei |
| | Penstemon nanus D.D.Keck sect. Cristati |
| | Penstemon navajoa N.H.Holmgren sect. Glabri |
| | Penstemon obtusifolius Pennell sect. Penstemon |
| | Penstemon ophianthus Pennell sect. Cristati |
| | Penstemon pachyphyllus A.Gray ex Rydb. sect. Coerulei |
| | Penstemon palmeri A.Gray sect. Spectabiles |
| | Penstemon parvus Pennell sect. Glabri |
| | Penstemon patricus N.H.Holmgren sect. Saccanthera |
| | Penstemon perbrevis (Pennell) P.M.Sl. sect. Caespitosi |
| | Penstemon petiolatus Brandegee sect. Petiolati |
| | Penstemon pinorum L.M.Shultz & J.S.Shultz sect. Cristati |
| | Penstemon platyphyllus Rydb. sect. Saccanthera |
| | Penstemon procerus Douglas ex Graham sect. Penstemon |
| | Penstemon pseudoputus (Crosswh.) N.H.Holmgren sect. Glabri |
| | Penstemon radicosus A.Nelson sect. Penstemon |
| | Penstemon rostriflorus Kellogg sect. Bridgesiani |
| | Penstemon rydbergii A.Nelson sect. Penstemon |
| | Penstemon scariosus Pennell sect. Glabri |
| | Penstemon sepalulus A.Nelson sect. Saccanthera |
| | Penstemon sileri (A.Gray) P.M.Sl. sect. Caespitosi |
| | Penstemon speciosus Douglas sect. Glabri |
| | Penstemon strictiformis Rydb. sect. Glabri |
| | Penstemon strictus Benth. sect. Glabri |
| | Penstemon subglaber Rydb. sect. Glabri |
| | Penstemon thompsoniae (A.Gray) Rydb. sect. Caespitosi |
| | Penstemon thurberi Torr. sect. Ambigui |
| | Penstemon tidestromii Pennell sect. Glabri |
| | Penstemon uintahensis Pennell sect. Glabri |
| | Penstemon utahensis Eastw. sect. Gentianoides |
| | Penstemon venosus (D.D.Keck) Reveal sect. Coerulei |
| | Penstemon venustus Douglas sect. Saccanthera |
| | 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 specicola S.L.Welsh & Neese trib. Heliantheae |
| | Petradoria graminea Wooton & Standl. trib. Astereae |
| | Petradoria pumila (Nutt.) Greene trib. Astereae |
| | Petrophytum caespitosum (Nutt.) Rydb. |
| | Phemeranthus brevifolius (Torr.) Hershk. |
| | Phemeranthus parviflorus (Nutt.) Kiger |
| | Phemeranthus thompsonii (N.D.Atwood & S.L.Welsh) Kiger |
| | Phlox austromontana Coville Microphlox, Canescentes |
| | Phlox caespitosa Nutt. Microphlox, Caespitosae |
| | Phlox canescens Torr. & A.Gray Microphlox, Canescentes |
| | Phlox cluteana A.Nelson Alphaphlox, Cluteanae |
| | Phlox costata Rydb. Microphlox, Multiflorae |
| | Phlox densa Brand Microphlox, Canescentes |
| | Phlox gladiformis (M.E.Jones) E.E.Nelson Microphlox, Aculeatae |
| | Phlox griseola Wherry Microphlox, Caespitosae |
| | Phlox hoodii Richardson Microphlox, Canescentes |
| | Phlox jonesii Wherry Microphlox, Canescentes |
| | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| | Phlox muscoides Nutt. Microphlox, Canescentes |
| | Phlox pulvinata (Wherry) Cronquist Microphlox, Caespitosae |
| | Phlox scleranthifolia Rydb. Microphlox, Canescentes |
| | Phlox subulata L. Alphaphlox, Subulatae |
| | Phlox tumulosa Wherry Microphlox, Caespitosae |
| | Phlox viscida E.E.Nelson Alphaphlox, Longifoliae |
| | Phoenicaulis cheiranthoides Nutt. |
| | Phyla cuneifolia (Torr.) Greene |
| | Phyla lanceolata (Michx.) Greene |
| | Physaria acutifolia Rydb. |
| | Physaria arizonica (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 goodrichii (Rollins) O´Kane & Al-Shehbaz |
| | Physaria grahamii C.V.Morton |
| | 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 lepidota Rollins |
| | Physaria ludoviciana (Nutt.) O´Kane & Al-Shehbaz |
| | Physaria multiceps (Maguire) O´Kane & Al-Shehbaz |
| | Physaria nelsoni O´Kane & Al-Shehbaz |
| | Physaria newberryi A.Gray |
| | Physaria parvula (Greene) O´Kane & Al-Shehbaz |
| | Physaria prostrata (A.Nelson) O´Kane & Al-Shehbaz |
| | Physaria rectipes (Wooton & Standl.) O´Kane & Al-Shehbaz |
| | Physaria rubicundula (Rollins) S.L.Welsh |
| | Physaria subumbellata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria tumulosa (Barneby) O‘Kane & Al-Shehbaz |
| | Physaria utahensis (Rydb.) O´Kane & Al-Shehbaz |
| | Physaria wardii (S.Watson) O´Kane & Al-Shehbaz |
| | Platyschkuhria integrifolia (A.Gray) Rydb. trib. Helenieae |
| | Pleiacanthus spinosus (Nutt.) Rydb. trib. Cichorieae |
| | Podistera eastwoodiae (J.M.Coult. & Rose) Mathias & Const. |
| | Polemonium brandegeei (A.Gray) Greene |
| | Polemonium delicatum Rydb. |
| | Polemonium viscosum Nutt. |
| | Potentilla angelliaea N.H.Holmgren |
| | Potentilla bicrenata Rydb. |
| | Potentilla concinna Richardson |
| | Potentilla cottamii N.H.Holmgren |
| | Potentilla crinita A.Gray |
| | Potentilla decurrens (S.Watson) Rydb. |
| | Potentilla effusa Douglas ex Lehm. |
| | Potentilla glaucophylla Lehm. |
| | Potentilla gordonii (Hook.) Greene |
| | Potentilla holmgrenii D.F.Murray & Elven |
| | Potentilla hookeriana Lehm. |
| | Potentilla jepsonii Ertter |
| | Potentilla kingii (S.Watson) Greene |
| | Potentilla multisecta (S.Watson) Rydb. |
| | Potentilla nivea L. |
| | Potentilla osterhoutii (A.Nelson) J.T.Howell |
| | Potentilla ostleri (Ertter) P.M.Sl. |
| | Potentilla ovina Macoun |
| | Potentilla pensylvanica L. |
| | Potentilla plattensis Nutt. |
| | Potentilla proxima Rydb. |
| | Potentilla rubricaulis Lehm. |
| | Potentilla sabulosa M.E.Jones |
| | Potentilla utahensis (S.Watson) Greene |
| | Potentilla wasatchensis (N.H.Holm. ex Errt. & Reveal) P.M.Sl. |
| | Primula domensis Kass & S.L.Welsh sect. Parryi |
| | Primula fragrans A.R.Mast & Reveal sect. Dodecatheon |
| | Primula incana M.E.Jones sect. Farinosae |
| | Primula maguirei L.O.Williams sect. Parryi |
| | 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 specuicola Rydb. sect. Farinosae |
| | Primula tetrandra (Suksd.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula utahensis (N.H.Holmgren) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula zionensis (Eastw.) P.M.Sl. sect. Dodecatheon |
| | Psilostrophe sparsiflora (A.Gray) A.Nelson trib. Helenieae |
| | Psilostrophe tagetina (Nutt.) Greene trib. Helenieae |
| | Pulsatilla nuttalliana (DC.) Bercht. & J.Presl |
| | Pyrola asarifolia Michx. |
| | Pyrola chlorantha Sw. |
| | Pyrola minor L. |
| | Pyrola picta Sm. |
| | Pyrrocoma apargioides Greene trib. Astereae |
| | Pyrrocoma clementis Rydb. trib. Astereae |
| | Pyrrocoma hirta (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 pygmaeus Wahlenb. |
| | Rhinotropis acanthoclada (A.Gray) J.R.Abbott |
| | Rhinotropis intermontana (T.Wendt) J.R.Abbott |
| | Rhinotropis subspinosa (S.Watson) J.R.Abbott |
| | Rhodiola integrifolia Raf. |
| | Rhodiola rhodantha (A.Gray) H.Jacobsen |
| | Rumex venosus Pursh |
| | |
| | Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & Kad. |
| | Sabulina macrantha (Rydb.) Dillenb. & Kadereit |
| | Sabulina nuttallii (Pax) Dillenb. & Kadereit |
| | Sabulina rubella (Wahlenb.) Dillenb. & Kadereit |
| | Salix arizonica Dorn |
| | Salix atra Rydb. |
| | Salix boothii Dorn |
| | Salix brachycarpa Nutt. |
| | Salix cascadensis Cockerell |
| | Salix nivalis Hook. |
| | Salix petrophila Rydb. |
| | Salvia dorrii (Kellogg) Abrams |
| | Saxifraga austromontana Wiegand sect. Trachyphyllum |
| | Saxifraga cernua L. sect. Mesogyne |
| | Saxifraga cespitosa L. sect. Saxifraga |
| | Saxifraga crandallii Gand. sect. Ciliatae |
| | Saxifraga debilis Engelm. ex A.Gray sect. Mesogyne |
| | Saxifraga hirculus L. sect. Ciliatae |
| | Saxifraga chrysantha A.Gray sect. Ciliatae |
| | Scabrethia scabra (Hook.) W.A.Weber trib. Heliantheae |
| | Scutellaria antirrhinoides Benth. |
| | Scutellaria nevadensis Eastw. |
| | Sedum debile S.Watson |
| | Sedum lanceolatum Torr. |
| | Senecio blitoides Greene trib. Senecioneae |
| | Senecio fremontii Torr. & A.Gray trib. Senecioneae |
| | Senecio holmii Greene trib. Senecioneae |
| | Senecio inexpectatus (Cronquist) Al Schnneid. trib. Senecioneae |
| | Schizotechium jamesianum (Torr.) Arabi, Rabeler & Zarre |
| | Sibbaldia procumbens L. |
| | Silene acaulis (L.) Jacq. |
| | Silene douglasii Hook. |
| | Silene hitchguirei Bocquet |
| | Silene kingii (S.Watson) Bocquet |
| | Silene menziesii Hook. |
| | Silene nachlingerae A.Tiehm |
| | Silene oregana S.Watson |
| | Silene petersonii Maguire |
| | Silene uralensis (Rupr.) Bocquet |
| | Smelowskia americana (Regel & Herder) Rydb. |
| | Solidago multiradiata Aiton trib. Astereae |
| | Solidago nana Nutt. trib. Astereae |
| | Sphaeralcea caespitosa M.E.Jones |
| | Sphaeralcea coccinea (Nutt.) Rydb. |
| | 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 |
| | Stenotus acaulis (Nutt.) Nutt. trib. Astereae |
| | Stenotus armerioides Nutt. trib. Astereae |
| | Stenotus gramineus (S.L.Welsh & F.J.Sm.) P.M.Sl. trib. Astereae |
| | Stephanomeria parryi A.Gray trib. Cichorieae |
| | Stephanomeria runcinata Nutt. trib. Cichorieae |
| | Swertia perennis L. |
| | Symphyotrichum apricum (A.Gray) P.M.Sl. trib. Astereae |
| | Symphyotrichum parryi (D.C.Eaton) P.M.Sl. trib. Astereae |
| | |
| | Taraxacum ceratophorum (Ledeb.) DC. trib. Cichorieae |
| | Taraxacum scopulorum (A.Gray) Rydb. trib. Cichorieae |
| | Taraxia breviflora (Torr. & A.Gray) Nutt. ex Small |
| | Taraxia subacaulis (Pursh) Rydb. |
| | Telesonix heucheriformis (Rydb.) Rydb. |
| | Tetradymia canescens DC. trib. Senecioneae |
| | Tetraneuris arizonica Greene trib. Helenieae |
| | Tetraneuris epunctata A.Nelson trib. Helenieae |
| | Tetraneuris ivesiana Greene trib. Helenieae |
| | Tetraneuris torreyana (Nutt.) Greene trib. Helenieae |
| | Thelesperma subnudum A.Gray trib. Coreopsidae |
| | Thermopsis rhombifolia (Pursh) Richardson trib. Thermopsideae |
| | Thymophylla acerosa (DC.) Strother |
| | Tiquilia canescens (DC.) A.T.Richardson |
| | Tiquilia latior (I.M.Johnst.) A.T.Richardson |
| | 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 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 Eaton trib. Astereae |
| | Townsendia scapigera D.C.Eaton trib. Astereae |
| | Townsendia strigosa Nutt. trib. Astereae |
| | Tricardia watsonii Torr. ex S.Watson |
| | Trifolium andinum Nutt. trib. Trifolieae |
| | Trifolium friscanum (S.L.Welsh) S.L.Welsh trib. Trifolieae |
| | Trifolium gymnocarpon Nutt. trib. Trifolieae |
| | Trifolium haydenii Porter trib. Trifolieae |
| | Trifolium montanense Rydb. trib. Trifolieae |
| | Trifolium nanum Torr. trib. Trifolieae |
| | Trifolium rusbyi Greene trib. Trifolieae |
| | Trifolium rydbergii Greene trib. Trifolieae |
| | Trifolium uintense Rydb. trib. Trifolieae |
| | Trifolium villiferum House trib. Trifolieae |
| | Trollius albiflorus (A.Gray) Rydb. |
| | |
| | Vaccinium membranaceum Douglas ex Torr. |
| | Vaccinium scoparium Leiberg ex Coville |
| | Valeriana arizonica A.Gray |
| | Veronica besseya M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica paysonii (Pennell) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica utahensis 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 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 beckwithii Torr. & A.Gray sect. Viola |
| | Viola canadensis L. sect. Viola |
| | Viola clauseniana M.S.Baker |
| | Viola flavovirens Pollard |
| | Viola frank-smithii N.H.Holmgren sect. Chamaemelanium |
| | Viola charlestonensis M.S.Baker & J.C.Clausen |
| | Viola linguifolia Nutt. |
| | Viola lithion N.H.Holmgren & P.K.Holmgren |
| | Viola nephrophylla Greene sect. Viola |
| | Viola nuttallii Pursh sect. Viola |
| | Viola rugulosa Greene sect. Viola |
| | Viola scopulorum (A.Gray) Greene sect. Viola |
| | Viola sororia Willd. sect. Viola |
| | Viola utahensis M.S.Baker & J.C.Clausen |
| | Viola venosa (S.Watson) Rydb. |
| | |
| | Wyethia arizonica A.Gray trib. Heliantheae |
| | Wyethia sagittata (Pursh) Mabb. 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 A.Heller trib. Astereae |