| | |
| | Abronia alpina Brandegee |
| | Abronia ammophila Greene |
| | Abronia bigelovii Heimerl |
| | Abronia covillei Heimerl |
| | 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. |
| | Achlys triphylla DC. |
| | Acmispon argophyllus (A.Gray) Brouillet trib. Loteae |
| | Acmispon argyraeus (Greene) Brouillet |
| | Acmispon decumbens (Benth.) Govaerts trib. Loteae |
| | Acmispon oroboides (Kunth) Brouillet trib. Loteae |
| | Actaea pachypoda Elliott |
| | Actaea rubra (Aiton) Willd. |
| | Adeia whitneyi (A.Gray) G.L.Nesom trib. Astereae |
| | 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 carnea Rydb. trib. Cichorieae |
| | Agoseris eastwoodiae Fedde trib. Cichorieae |
| | Agoseris glauca (Pursh) Raf. trib. Cichorieae |
| | Agoseris grandiflora (Nutt.) Greene trib. Cichorieae |
| | Agoseris hirsuta Greene trib. Cichorieae |
| | Agoseris maritima E.Sheld. trib. Cichorieae |
| | Agoseris monticola Greene trib. Cichorieae |
| | Agoseris parviflora (Nutt.) D.Dietr. trib. Cichorieae |
| | Agoseris purpurea (A.Gray) Greene |
| | Agoseris retrorsa (Benth.) Greene trib. Cichorieae |
| | Alchemilla alpina L. |
| | Alchemilla filicaulis Buser |
| | Alchemilla glomerulans Buser |
| | Alchemilla pinnata Ruiz & Pav. |
| | Aletes humilis J.M.Coult. & Rose |
| | Aliciella caespitosa (A.Gray) J.M.Porter |
| | Aliciella formosa (Greene ex Brand) J.M.Porter |
| | Aliciella pentstemonoides (M.E.Jones) 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 |
| | Amorpha nana C.Fraser trib. Psoraleeae |
| | Amsonia arenaria Standl. trib. Vinceae |
| | Amsonia jonesii Woodson trib. Vinceae |
| | Amsonia tharpii Woodson |
| | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
| | Anacampseros coahuilensis (S.Watson) Eggli & Nyffeler |
| | Andersonglossum occidentale (A.Gray) J.I.Cohen |
| | Andromeda glaucophylla Link |
| | Andromeda polifolia L. |
| | Androsace americana Wendelbo |
| | Androsace beringensis (S.Kelso & al.) Cubey |
| | Androsace conservatorum (Björk) Giblin |
| | Androsace constancei Wendelbo |
| | Androsace idahoensis (Douglass M.Hend.) Cubey |
| | Androsace laevigata (A.Gray) Wendelbo |
| | Androsace lehmanniana Spreng. sect. Chamaejasme |
| | Androsace montana (A.Gray) Wendelbo |
| | Androsace nivalis (Lindl.) Wendelbo |
| | Androsace ochotensis Roem. & Schult. |
| | Anelsonia eurycarpa (A.Gray) J.F.Macbr. & Payson |
| | Anemonastrum canadense (L.) Mosyakin |
| | Anemonastrum deltoideum (Douglas) Mosyakinn |
| | Anemonastrum richardsonii (Hook.) Mosyakin |
| | Anemonastrum sibiricum (L.) Holub |
| | Anemonastrum villosissimum (DC.) Holub |
| | Anemonastrum zephyrum (A.Nelson) Holub |
| | Anemone berlandieri Pritz. |
| | Anemone caroliniana Walter |
| | Anemone cylindrica A.Gray |
| | Anemone drummondii S.Watson |
| | Anemone hudsoniana (DC.) Richardson |
| | Anemone lithophila Rydb. |
| | Anemone multifida Poir. |
| | Anemone okennonii Keener & B.E.Dutton |
| | Anemone parviflora Michx. |
| | Anemone stylosa A.Nelson |
| | Anemone tetonensis Porter ex Britton |
| | Anemone tuberosa Rydb. |
| | Anemonella thalictroides (L.) Spach |
| | Anemonoides grayi (Behr & Kellogg) Starod. |
| | Anemonoides lancifolia (Pursh) Holub |
| | Anemonoides minima (DC.) Holub |
| | Anemonoides oregana (A.Gray) Holub |
| | Anemonoides piperi (Rydb.) Holub |
| | Anemonoides quinquefolia (L.) Holub |
| | Antennaria alaskana Malte trib. Gnaphalieae |
| | Antennaria alpina (L.) Gaertn. trib. Gnaphalieae |
| | Antennaria anaphaloides Rydb. trib. Gnaphalieae |
| | Antennaria angustata Greene trib. Gnaphalieae |
| | Antennaria arcuata Cronquist trib. Gnaphalieae |
| | Antennaria argentea Benth. trib. Gnaphalieae |
| | Antennaria arida E.E.Nelson trib. Gnaphalieae |
| | Antennaria aromatica Evert trib. Gnaphalieae |
| | Antennaria canadensis Greene trib. Gnaphalieae |
| | Antennaria confinis Greene trib. Gnaphalieae |
| | Antennaria corymbosa E.E.Nelson trib. Gnaphalieae |
| | Antennaria densifolia A.E.Porsild trib. Gnaphalieae |
| | Antennaria dimorpha Torr. & A.Gray trib. Gnaphalieae |
| | Antennaria dioica (L.) Gaertn. trib. Gnaphalieae |
| | Antennaria eucosma Fernald & Wiegand trib. Gnaphalieae |
| | Antennaria fallax Greene trib. Gnaphalieae |
| | Antennaria flagellaris (A.Gray) A.Gray trib. Gnaphalieae |
| | Antennaria friesiana (Trautv.) Ekman trib. Gnaphalieae |
| | Antennaria geyeri A.Gray trib. Gnaphalieae |
| | Antennaria howellii Greene trib. Gnaphalieae |
| | Antennaria lanata Greene |
| | Antennaria luzuloides Torr. & Gray trib. Gnaphalieae |
| | Antennaria marginata Greene trib. Gnaphalieae |
| | Antennaria media Greene trib. Gnaphalieae |
| | Antennaria microcephala A.Gray trib. Gnaphalieae |
| | Antennaria microphylla Rydb. trib. Gnaphalieae |
| | Antennaria monocephala DC. trib. Gnaphalieae |
| | Antennaria neglecta Greene trib. Gnaphalieae |
| | Antennaria neoalaskana A.E.Porsild trib. Gnaphalieae |
| | Antennaria neodioica Greene trib. Gnaphalieae |
| | Antennaria parlinii Fernald trib. Gnaphalieae |
| | Antennaria parvifolia Nutt. trib. Gnaphalieae |
| | Antennaria petaloidea Fernald trib. Gnaphalieae |
| | Antennaria plantaginifolia (L.) Hook. trib. Gnaphalieae |
| | Antennaria pulchella Greene trib. Gnaphalieae |
| | Antennaria pulcherrima (Hook.) Greene trib. Gnaphalieae |
| | Antennaria pulvinata Greene trib. Gnaphalieae |
| | Antennaria racemosa Hook. trib. Gnaphalieae |
| | Antennaria rosea Greene trib. Gnaphalieae |
| | Antennaria rosulata Rydb. trib. Gnaphalieae |
| | Antennaria sawyeri R.J.Bayer & Figura |
| | Antennaria soliceps S.F.Blake trib. Gnaphalieae |
| | Antennaria solitaria Rydb. trib. Gnaphalieae |
| | Antennaria stenophylla (A.Gray) A.Gray trib. Gnaphalieae |
| | Antennaria suffrutescens Greene trib. Gnaphalieae |
| | Antennaria umbrinella Rydb. trib. Gnaphalieae |
| | Aphragmus eschscholtziana Andrz. ex DC. |
| | Aquilegia barnebyi Munz |
| | Aquilegia brevistyla Hook. |
| | Aquilegia canadensis L. |
| | Aquilegia chaplinei Standl. ex Payson |
| | Aquilegia chrysantha A.Gray |
| | 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 grahamii S.L.Welsh & Goodrich |
| | Aquilegia hinckleyana Munz |
| | Aquilegia hypolasia Greene |
| | Aquilegia jonesii Parry |
| | Aquilegia laramiensis A.Nelson |
| | Aquilegia longissima A.Gray ex S.Watson |
| | Aquilegia loriae S.L.Welsh & N.D.Atwood |
| | Aquilegia micrantha Eastw. |
| | Aquilegia pinetorum Tidestr. |
| | Aquilegia pubescens Coville |
| | Aquilegia saximontana Rydb. |
| | Aquilegia scopulorum Tidestr. |
| | Aquilegia shockleyi Eastw. |
| | Aquilegia truncata Fisch. & C.A.Mey. |
| | Arabidopsis kamchatica (Fisch. ex DC.) K.Shimizu & Kudo |
| | Arabidopsis petraea (L.) Kolník & Marhold |
| | Arabis aculeolata Greene |
| | Arabis alpina L. |
| | Arabis blepharophylla Hook. & Arn. |
| | Arabis crucisetosa Constance & Rollins |
| | Arabis furcata S.Watson |
| | Arabis mcdonaldiana Eastw. |
| | Arabis modesta Rollins |
| | Arabis nuttallii (Kuntze) B.L.Rob. |
| | Arabis olympica Piper |
| | Arabis oregana Rollins |
| | Arcteranthis cooleyae (Vasey & Rose) Greene |
| | Arctomecon californica Torr. & Frém. |
| | Arctomecon humilis Coville |
| | Arctomecon merriamii Coville |
| | Arctostaphylos klamathensis S.W.Edwards & al. |
| | Arctostaphylos mendocinoensis P.V.Wells |
| | Arctostaphylos nevadensis A.Gray |
| | Arctostaphylos pacifica Roof |
| | Arctostaphylos pumila Nutt. |
| | Arctostaphylos pungens Kunth |
| | Arctostaphylos uva-ursi (L.) Spreng. |
| | Arctous alpina (L.) Nied. |
| | Arctous rubra (Rehder & E.H.Wilson) Nakai |
| | Arenaria humifusa Wahlenb. |
| | Arenaria livermorensis Correll |
| | Arenaria longipedunculata Hultén |
| | Arenaria pseudofrigida (Ostenf. & O.C.Dahl) Steffen |
| | Arenaria saxosa A.Gray |
| | Argentina subarctica Rydb. |
| | Armeria californica (Boiss.) P.M.Sl. |
| | Armeria interior (Raup) P.M.Sl. |
| | Armeria maritima (Mill.) Willd. |
| | Armeria sibirica Turcz. ex Boiss. |
| | Arnica acaulis Britton, Sterns & Poggenb. trib. Heliantheae |
| | Arnica angustifolia Vahl trib. Heliantheae |
| | Arnica cernua Howell trib. Heliantheae |
| | Arnica chamissonis Less. trib. Heliantheae |
| | Arnica cordifolia Hook. trib. Heliantheae |
| | Arnica dealbata (A.Gray) B.G.Baldwin trib. Heliantheae |
| | Arnica frigida C.A.Mey. ex Iljin trib. Heliantheae |
| | Arnica fulgens Pursh trib. Heliantheae |
| | Arnica gracilis Rydb. trib. Heliantheae |
| | Arnica griscomii Fernald trib. Heliantheae |
| | Arnica latifolia Bong. trib. Heliantheae |
| | Arnica lessingii Greene trib. Heliantheae |
| | Arnica lonchophylla Greene trib. Heliantheae |
| | Arnica louiseana Farr trib. Heliantheae |
| | Arnica montana L. trib. Heliantheae |
| | Arnica nevadensis A.Gray trib. Heliantheae |
| | Arnica parryi A.Gray trib. Heliantheae |
| | Arnica rydbergii Greene trib. Heliantheae |
| | Arnica sororia Greene trib. Heliantheae |
| | Arnica spathulata Greene trib. Heliantheae |
| | Arnica tomentosa J.M.Macoun trib. Heliantheae |
| | Arnica unalaschcensis Less. trib. Heliantheae |
| | Arnica venosa H.M.Hall trib. Heliantheae |
| | Arnica viscosa A.Gray trib. Heliantheae |
| | Arnicastrum glandulosum Greenm. trib. Helenieae |
| | Artemisia alaskana Rydb. trib. Anthemideae |
| | Artemisia albicans Son.Garcia & al. trib. Anthemideae |
| | Artemisia aleutica Hultén trib. Anthemideae |
| | Artemisia arbuscula Nutt. trib. Anthemideae |
| | Artemisia bolanderi A.Gray trib. Anthemideae |
| | Artemisia borealis Pall. 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 flava Jurtzev trib. Anthemideae |
| | Artemisia frigida Willd. trib. Anthemideae |
| | Artemisia furcata M.Bieb. trib. Anthemideae |
| | Artemisia globularia Cham. ex Besser trib. Anthemideae |
| | Artemisia glomerata Ledeb. trib. Anthemideae |
| | Artemisia inaequifolia Són.Garcia & al. trib. Anthemideae |
| | Artemisia laciniata Willd. trib. Anthemideae |
| | Artemisia longiloba (Osterh.) Beetle trib. Anthemideae |
| | Artemisia nesiotica P.H.Raven trib. Anthemideae |
| | Artemisia nova A.Nelson trib. Anthemideae |
| | Artemisia nuttallii (Torr. & A.Gray) Mosyakin & al. trib. Anthemideae |
| | Artemisia packardiae J.W.Grimes & Ertter trib. Anthemideae |
| | Artemisia papposa S.F.Blake & Cronquist trib. Anthemideae |
| | Artemisia parryi A.Gray trib. Anthemideae |
| | Artemisia pedatifida Nutt. trib. Anthemideae |
| | Artemisia porteri Cronquist trib. Anthemideae |
| | Artemisia potentilloides A.Gray trib. Anthemideae |
| | Artemisia pygmaea A.Gray trib. Anthemideae |
| | Artemisia richardsoniana Besser trib. Anthemideae |
| | Artemisia rigida (Nutt.) A.Gray trib. Anthemideae |
| | Artemisia rothrockii A.Gray trib. Anthemideae |
| | Artemisia rupicola (Beetle) P.M.Sl. 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 senjavinensis Besser trib. Anthemideae |
| | Artemisia simplex (A.Nelson) Són.Garcia & al. trib. Anthemideae |
| | Artemisia spinescens D.C.Eaton trib. Anthemideae |
| | Artemisia stelleriana Besser trib. Anthemideae |
| | Artemisia tilesii Ledeb. trib. Anthemideae |
| | Artemisia viscidula Rydb. trib. Anthemideae |
| | Asarum arifolium Michx. |
| | Asarum callifolium Small |
| | Asarum canadense L. |
| | Asarum caudatum Lindl. |
| | Asarum contractum (H.L.Blomq.) Barringer |
| | Asarum hartwegii S.Watson |
| | Asarum lemmonii S.Watson |
| | Asarum marmoratum Piper |
| | Asarum ruthii Ashe |
| | Asarum shuttleworthii Britten & Baker f. |
| | Asarum virginicum L. |
| | Asclepias cryptoceras S.Watson trib. Asclepiadeae |
| | Asclepias davisii Woodson trib. Asclepiadeae |
| | Asclepias sanjuanensis K.D.Kheil & al. |
| | Asclepias uncialis Greene trib. Asclepiadeae |
| | Askellia elegans (Hook.) W.A.Weber trib. Cichorieae |
| | Askellia pygmaea (Ledeb.) Sennikov trib. Cichorieae |
| | Aster culminis A.Nelson trib. Astereae |
| | Astragalus aboriginorum Richardson trib. Galegeae |
| | Astragalus accidens S.Watson |
| | Astragalus accumbens E.Sheld. trib. Galegeae |
| | Astragalus agrestis Douglas ex G.Don sect. Hypoglottidei |
| | Astragalus albifolius (M.E.Jones) Abrams trib. Galegeae |
| | Astragalus alpinus L. sect. Komaroviella |
| | Astragalus amblytropis Barneby |
| | Astragalus amnis-amissi Barneby |
| | Astragalus amphioxys A.Gray trib. Galegeae |
| | Astragalus ampullarius S.Watson trib. Galegeae |
| | Astragalus andersonii A.Gray trib. Galegeae |
| | Astragalus anisus M.E.Jones trib. Galegeae |
| | Astragalus anserinus N.D.Atwood, Goodrich & S.L.Welsh trib. Galegeae |
| | Astragalus anxius Meinke & Kaye trib. Galegeae |
| | Astragalus aquilonius (Barneby) Barneby |
| | Astragalus aretioides (M.E.Jones) Barneby |
| | Astragalus argillosus M.E.Jones trib. Galegeae |
| | Astragalus argophyllus Nutt. |
| | Astragalus arrectus A.Gray |
| | Astragalus arthuri M.E.Jones |
| | Astragalus atratus S.Watson trib. Galegeae |
| | Astragalus atwoodii S.L.Welsh & Thorne trib. Galegeae |
| | Astragalus austiniae A.Gray trib. Galegeae |
| | Astragalus barrii Barneby trib. Galegeae |
| | Astragalus beatleyae Barneby |
| | Astragalus bigelovii A.Gray trib. Galegeae |
| | Astragalus blyae (Rose) Tidestr. trib. Galegeae |
| | Astragalus bodinii E.Sheld. trib. Galegeae |
| | Astragalus bolanderi A.Gray |
| | Astragalus bourgovii A.Gray |
| | Astragalus brandegeei Porter & J.M.Coulter trib. Galegeae |
| | Astragalus brunetianus (Fernald) J.Rousseau sect. Komaroviella |
| | Astragalus callithrix Barneby |
| | Astragalus calycosus Torr. ex S.Watson |
| | Astragalus castaneiformis S.Watson trib. Galegeae |
| | Astragalus ceramicus E.Sheld. trib. Galegeae |
| | Astragalus cerussatus E.Sheld. trib. Galegeae |
| | Astragalus chamaeleuce A.Gray |
| | Astragalus chloodes Barneby |
| | Astragalus chloridae (M.E.Jones) Tidestr. trib. Galegeae |
| | Astragalus chuskanus Barneby & Spellenb. |
| | Astragalus cibarius E.Sheld. |
| | Astragalus cimae M.E.Jones trib. Galegeae |
| | Astragalus circumdatus Greene trib. Galegeae |
| | Astragalus cobrensis A.Gray trib. Galegeae |
| | Astragalus coccineus (Parry) Brandegee |
| | Astragalus columbianus Barneby |
| | Astragalus consobrinus (Barneby) S.L.Welsh trib. Galegeae |
| | Astragalus coriaceus Hemsl. trib. Galegeae |
| | Astragalus cottamii S.L.Welsh trib. Galegeae |
| | Astragalus cottonii M.E.Jones |
| | Astragalus crassicarpus Nutt. |
| | Astragalus cremnophylax Barneby |
| | Astragalus cronquistii Barneby |
| | Astragalus curtilobus Tidestr. trib. Galegeae |
| | Astragalus cyaneus A.Gray |
| | Astragalus cymboides M.E.Jones |
| | Astragalus decumbens (Nutt.) A.Gray trib. Galegeae |
| | Astragalus desereticus Barneby trib. Galegeae |
| | Astragalus desperatus M.E.Jones trib. Galegeae |
| | Astragalus deterior (Barneby) Barneby |
| | Astragalus detritalis M.E.Jones |
| | Astragalus diphacus S.Watson trib. Galegeae |
| | Astragalus diphysus A.Gray trib. Galegeae |
| | Astragalus distortus Torr. & A.Gray trib. Galegeae |
| | Astragalus drabelliformis Barneby |
| | Astragalus drummondii Douglas ex Hook. trib. Galegeae |
| | Astragalus earlei Greene ex Rydb. trib. Galegeae |
| | Astragalus eastwoodiae M.E.Jones trib. Galegeae |
| | Astragalus egglestonii (Rydb.) Kearney & Peebles trib. Galegeae |
| | Astragalus engelmannii E.Sheld. trib. Galegeae |
| | Astragalus ensiformis M.E.Jones trib. Galegeae |
| | Astragalus ertterae Barneby & Shevock trib. Galegeae |
| | Astragalus esperanzae M.E.Jones trib. Galegeae |
| | Astragalus eucosmus B.L.Rob. sect. Malacothrix |
| | Astragalus eurekensis M.E.Jones trib. Galegeae |
| | Astragalus eurylobus (Barneby) Barneby trib. Galegeae |
| | Astragalus fallax S.Watson |
| | Astragalus feensis M.E.Jones trib. Galegeae |
| | Astragalus fernaldii (Rydb.) H.F.Lewis trib. Galegeae |
| | Astragalus filifolius A.Gray trib. Galegeae |
| | Astragalus flavus Nutt. |
| | Astragalus funereus M.E.Jones |
| | Astragalus garrettii J.F.Macbr. trib. Galegeae |
| | Astragalus gibbsii Kellogg |
| | Astragalus gilensis Greene |
| | Astragalus gilviflorus E.Sheld. trib. Galegeae |
| | Astragalus glareosus Douglas trib. Galegeae |
| | Astragalus goldmanii M.E.Jones trib. Galegeae |
| | Astragalus grayi Parry ex S.Watson |
| | Astragalus gypsodes Barneby |
| | Astragalus hallii A.Gray |
| | Astragalus hamiltonii Ced.Porter trib. Galegeae |
| | Astragalus harringtonii (Rydb.) Coville & Standl. ex Hultén trib. Galegeae |
| | Astragalus heilii S.L.Welsh & N.D.Atwood |
| | Astragalus helleri Fenzl trib. Galegeae |
| | Astragalus hendersonii S.Watson |
| | Astragalus henrimontanensis S.L.Welsh |
| | Astragalus holmgreniorum Barneby trib. Galegeae |
| | Astragalus hoodianus Howell trib. Galegeae |
| | Astragalus hosackiae Greene trib. Galegeae |
| | Astragalus howellii A.Gray |
| | Astragalus humillimus A.Gray |
| | Astragalus humistratus A.Gray trib. Galegeae |
| | Astragalus hyalinus M.E.Jones |
| | Astragalus hylophilus (Rydb.) A.Nelson trib. Galegeae |
| | Astragalus hypoleucus S.Schauer trib. Galegeae |
| | Astragalus hypoxylus S.Watson trib. Galegeae |
| | Astragalus idriensis (M.E.Jones) Abrams trib. Galegeae |
| | Astragalus impensus (E.Sheld.) Wooton & Standl. trib. Galegeae |
| | Astragalus ineptus A.Gray trib. Galegeae |
| | Astragalus inflexus Douglas ex Hook. |
| | Astragalus iodanthus S.Watson trib. Galegeae |
| | Astragalus iodopetalus (Rydb.) Greene ex Barneby trib. Galegeae |
| | Astragalus irolanus (M.E.Jones) Rydb. trib. Galegeae |
| | Astragalus jejunus S.Watson |
| | Astragalus jessiae M.Peck trib. Galegeae |
| | Astragalus jesupii (Engl. & E.Sheld.) Britton trib. Galegeae |
| | Astragalus johannis-howellii Barneby |
| | Astragalus kentrophyta A.Gray trib. Galegeae |
| | Astragalus kernensis Jeps. trib. Galegeae |
| | Astragalus kerrii P.J.Knight & Cully trib. Galegeae |
| | Astragalus knightii Barneby |
| | Astragalus laccoliticus (M.E.Jones) S.L.Welsh |
| | Astragalus lackschewitzii Lavin & H.Marriot trib. Galegeae |
| | Astragalus lagopinus (Rydb.) M.Peck trib. Galegeae |
| | Astragalus latus (M.E.Jones) M.E.Jones trib. Galegeae |
| | Astragalus layneae Greene trib. Galegeae |
| | Astragalus lectulus S.Watson trib. Galegeae |
| | Astragalus leibergii M.E.Jones trib. Galegeae |
| | Astragalus lenophyllus (Rydb.) Tidestr. trib. Galegeae |
| | Astragalus lentiformis A.Gray trib. Galegeae |
| | Astragalus lentiginosus Douglas ex Hook. trib. Galegeae |
| | Astragalus lepagei Hultén trib. Galegeae |
| | Astragalus leptaleus A.Gray trib. Galegeae |
| | Astragalus leucolobus Parry ex M.E.Jones trib. Galegeae |
| | Astragalus limnocharis Barneby trib. Galegeae |
| | Astragalus loanus Barneby trib. Galegeae |
| | Astragalus lotiflorus Hook. trib. Galegeae |
| | Astragalus lutosus M.E.Jones trib. Galegeae |
| | Astragalus magdalenae Greene sect. Leucophysa |
| | Astragalus malacus A.Gray |
| | Astragalus marcidus Greene ex Rydb. trib. Galegeae |
| | Astragalus matthewsii S.Watson trib. Galegeae |
| | Astragalus megacarpus (Nutt.) A.Gray |
| | Astragalus mensarus (M.E.Jones) Abrams trib. Galegeae |
| | Astragalus merrillii (Rydb.) Tidestr. trib. Galegeae |
| | Astragalus mexicanus A.DC. |
| | Astragalus microcystis A.Gray |
| | Astragalus micromerius Barneby |
| | Astragalus miguelensis Greene |
| | Astragalus minthorniae (Rydb.) Jeps. |
| | Astragalus misellus S.Watson trib. Galegeae |
| | Astragalus miser Douglas ex Hook. trib. Galegeae |
| | Astragalus missouriensis Nutt. trib. Galegeae |
| | Astragalus moencoppensis M.E.Jones |
| | Astragalus mogollonicus Greene trib. Galegeae |
| | Astragalus mollissimus Torr. trib. Galegeae |
| | Astragalus molybdenus Barneby |
| | Astragalus monoensis Barneby trib. Galegeae |
| | Astragalus montii S.L.Welsh trib. Galegeae |
| | Astragalus monumentalis Barneby trib. Galegeae |
| | Astragalus mulfordiae M.E.Jones |
| | Astragalus musimonum Barneby trib. Galegeae |
| | Astragalus musiniensis M.E.Jones |
| | Astragalus naturitensis Payson |
| | Astragalus nelsonianus Barneby |
| | Astragalus neomexicanus Wooton & Standley |
| | Astragalus nevinii A.Gray ex Lyon |
| | Astragalus newberryi A.Gray trib. Galegeae |
| | Astragalus niveus (Rydb.) Barneby sect. Leucophysa |
| | Astragalus nudisiliquus A.Nelson trib. Galegeae |
| | Astragalus nutans M.E.Jones trib. Galegeae |
| | Astragalus nutriosensis S.C.Sand. trib. Galegeae |
| | Astragalus nutzotinensis J.Rousseau trib. Galegeae |
| | Astragalus obcordatus Elliott trib. Galegeae |
| | Astragalus obscurus S.Watson trib. Galegeae |
| | Astragalus occidentalis (S.Watson) M.E.Jones trib. Galegeae |
| | Astragalus oniciformis Barneby |
| | Astragalus oophorus S.Watson trib. Galegeae |
| | Astragalus ophiogenes Barneby trib. Galegeae |
| | Astragalus orcuttianus S.Watson trib. Galegeae |
| | Astragalus oreganus Nutt. |
| | Astragalus owyheensis A.Nelson & J.F.Macbr. trib. Galegeae |
| | Astragalus oxyrhynchus Hemsl. trib. Galegeae |
| | Astragalus palans M.E.Jones trib. Galegeae |
| | Astragalus panamintensis E.Sheld. ex Coult. trib. Galegeae |
| | Astragalus panguicensis (M.E.Jones) M.E.Jones |
| | Astragalus parryi A.Gray |
| | Astragalus parvus Hemsl. trib. Galegeae |
| | Astragalus paysonii (Rydb.) Barneby trib. Galegeae |
| | Astragalus peckii Piper |
| | Astragalus pectinatus (Hook.) Douglas ex G.Don 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 plattensis Nutt. trib. Galegeae |
| | Astragalus platytropis A.Gray trib. Galegeae |
| | Astragalus polaris (Seem.) Benth. sect. Polares |
| | Astragalus preussii A.Gray |
| | Astragalus pringlei S.Watson trib. Galegeae |
| | Astragalus proimanthus Barneby |
| | Astragalus proximus (Rydb.) Wooton & Standl. trib. Galegeae |
| | Astragalus prunifer Rydb. |
| | Astragalus pseudiodanthus Barneby trib. Galegeae |
| | Astragalus pubentissimus Torr. & A.Gray |
| | Astragalus pulsiferae A.Gray |
| | Astragalus purpusii M.E.Jones trib. Galegeae |
| | Astragalus purshii Douglas ex G.Don trib. Galegeae |
| | Astragalus quinqueflorus S.Watson trib. Galegeae |
| | Astragalus ravenii Barneby |
| | Astragalus recurvus Greene trib. Galegeae |
| | Astragalus reventiformis (Rydb.) Barneby trib. Galegeae |
| | Astragalus reventus A.Gray trib. Galegeae |
| | Astragalus riparius Barneby |
| | Astragalus robbinsii (Oakes) A.Gray trib. Galegeae |
| | Astragalus rydbergii J.F.Macbr. trib. Galegeae |
| | Astragalus sabulosus M.E.Jones trib. Galegeae |
| | Astragalus salinus Howell trib. Galegeae |
| | Astragalus salmonis M.E.Jones |
| | Astragalus saurinus Barneby trib. Galegeae |
| | Astragalus scaposus A.Gray |
| | Astragalus schmolliae Cedr.Porter trib. Galegeae |
| | Astragalus schultziorum Barneby trib. Galegeae |
| | Astragalus sepultipes (Barneby) Barneby trib. Galegeae |
| | Astragalus sericoleucus A.Gray trib. Galegeae |
| | Astragalus serotinus A.Gray ex E.Cooper trib. Galegeae |
| | Astragalus serpens M.E.Jones trib. Galegeae |
| | Astragalus sesquiflorus S.Watson trib. Galegeae |
| | Astragalus sheldonii (Rydb.) Barneby trib. Galegeae |
| | Astragalus shevockii Barneby |
| | Astragalus shortianus Nutt. |
| | Astragalus sierrae (M.E.Jones) Tidestr. trib. Galegeae |
| | Astragalus siliceus Barneby trib. Galegeae |
| | Astragalus simplicifolius (Nutt.) A.Gray trib. Galegeae |
| | Astragalus sinuatus Piper |
| | Astragalus siskiyouensis (Rydb.) J.W.Thomps. trib. Galegeae |
| | Astragalus sonneanus Greene trib. Galegeae |
| | Astragalus sonorae A.Gray trib. Galegeae |
| | Astragalus sophoroides M.E.Jones trib. Galegeae |
| | Astragalus spaldingii A.Gray trib. Galegeae |
| | Astragalus sparsiflorus A.Gray |
| | Astragalus spatulatus E.Sheld. |
| | Astragalus speirocarpus A.Gray |
| | 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 subvestitus (Jeps.) Barneby |
| | Astragalus suksdorfii Howell trib. Galegeae |
| | Astragalus tananaicus Hultén sect. Onobrychoidei |
| | Astragalus tegetarioides M.E.Jones trib. Galegeae |
| | Astragalus tegetarius S.Watson trib. Galegeae |
| | Astragalus tennesseensis A.Gray ex Chapm. |
| | Astragalus tephrodes A.Gray trib. Galegeae |
| | Astragalus terminalis S.Watson |
| | Astragalus tetrapterus A.Gray |
| | Astragalus thompsoniae S.Watson trib. Galegeae |
| | Astragalus tidestromii (Rydb.) Clokey trib. Galegeae |
| | Astragalus tiehmii Barneby trib. Galegeae |
| | Astragalus tolucanus B.L.Rob. & Seaton trib. Galegeae |
| | Astragalus traskiae Eastw. |
| | Astragalus tricarinatus A.Gray |
| | Astragalus trichocalyx Nutt. |
| | Astragalus tridactylicus A.Gray trib. Galegeae |
| | Astragalus troglodytus S.Watson trib. Galegeae |
| | Astragalus umbellatus Bunge sect. Cenantrum |
| | 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 vexilliflexus E.Sheld. |
| | Astragalus webberi A.Gray trib. Galegeae |
| | Astragalus welshii Barneby |
| | Astragalus wetherillii M.E.Jones |
| | Astragalus whitneyi A.Gray trib. Galegeae |
| | Astragalus wilsonii Greene trib. Galegeae |
| | Astragalus wingatanus S.Watson |
| | Astragalus wittmannii Barneby |
| | Astragalus zionis M.E.Jones |
| | Atriplex confertifolia (Torr. & Frémont) S.Watson |
| | Atriplex corrugata S.Watson |
| | |
| | Bajacalia crassifolia (S.Watson) Loockerman & al. |
| | Bajacalia tridentata (Benth.) Loockerman & al. |
| | Balsamorhiza careyana A.Gray trib. Heliantheae |
| | Balsamorhiza deltoidea Nutt. trib. Heliantheae |
| | Balsamorhiza hispidula W.M.Sharp trib. Heliantheae |
| | Balsamorhiza hookeri Nutt. trib. Heliantheae |
| | Balsamorhiza incana Nutt. trib. Heliantheae |
| | Balsamorhiza lanata (W.M.Sharp) W.A.Weber trib. Heliantheae |
| | Balsamorhiza macrolepis W.M.Sharp trib. Heliantheae |
| | Balsamorhiza rosea A.Nelson & J.F.Macbr. trib. Heliantheae |
| | Balsamorhiza sericea W.A.Weber trib. Heliantheae |
| | Balsamorhiza serrata A.Nelson & J.F.Macbr. trib. Heliantheae |
| | Berberis nervosa Pursh |
| | Berberis repens Lindl. |
| | Berlandiera macvaughii B.L.Turner |
| | Betula glandulosa Michx. |
| | Betula nana L. |
| | Betula pumila L. |
| | Bistorta plumosa (Small) Greene |
| | Bistorta vivipara (L.) Delarbre |
| | Boechera atrorubens (Suksd. ex Greene) Windham & Al-Shehbaz |
| | Boechera bodiensis (Rollins) Al-Shehbaz |
| | Boechera breweri (S.Watson) Al-Shehbaz |
| | Boechera carrizozoensis P.J.Alexander |
| | Boechera cascadensis Windham & Al-Shehbaz |
| | Boechera centrifendleri P.J.Alexander |
| | Boechera cobrensis (M.E.Jones) Dorn |
| | Boechera constancei (Rollins) Al-Shehbaz |
| | Boechera covillei (Greene) Windham & Al-Shehbaz |
| | Boechera crandallii (B.L.Rob.) W.A.Weber |
| | 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 fecunda (Rollins) Dorn |
| | Boechera fendleri (S.Watson) W.A.Weber |
| | Boechera fernaldiana (Rollins) W.A.Weber |
| | Boechera glaucovalvula (M.E.Jones) Al-Shehbaz |
| | Boechera gracilipes (Greene) Dorn |
| | Boechera gunnisoniana (Rollins) W.A.Weber |
| | Boechera harrisonii (S.L.Welsh) Windham & Al-Shehbaz |
| | Boechera hastatula (Greene) Al-Shehbaz |
| | Boechera horizontalis (Greene) Windham & Al-Shehbaz |
| | Boechera howellii (S.Watson) Windham & Al-Shehbaz |
| | Boechera inyoensis (Rollins) Al-Shehbaz |
| | Boechera johnstonii (Munz) Al-Shehbaz |
| | Boechera kelseyana Windham & Allphin |
| | Boechera koehleri (Howell) Al-Shehbaz |
| | Boechera languida (Rollins) Windham & Al-Shehbaz |
| | Boechera lasiocarpa (Rollins) Dorn |
| | Boechera lemmonii (S.Watson) W.A.Weber |
| | Boechera lincolnensis Windham & Al-Shehbaz |
| | Boechera lyallii (S.Watson) Dorn |
| | Boechera macounii (S.Watson) Windham & Al-Shehbaz |
| | Boechera microphylla (Nutt. ex Torr. & A.Gray) Dorn |
| | Boechera nevadensis (Tidestr.) Windham & Al-Shehbaz |
| | Boechera ophira (Rollins) Al-Shehbaz |
| | Boechera oxylobula (Greene) W.A.Weber |
| | Boechera paddoensis (Rollins) Windham & 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 porphyrea (Wooton & Standl.) Windham & al. |
| | Boechera pulchra (M.E.Jones ex S.Watson) W.A.Weber |
| | Boechera pusilla (Rollins) Dorn |
| | Boechera pygmaea (Rollins) Al-Shehbaz |
| | Boechera rigidissima (Rollins) Al-Shehbaz |
| | Boechera rollei (Rollins) Al-Shehbaz |
| | Boechera rollinsiorum Windham & Al-Shehbaz |
| | Boechera saximontana (Rollins) Windham & Al-Shehbaz |
| | Boechera schistacea (Rollins) Dorn |
| | Boechera serpentinicola Windham & Al-Shehbaz |
| | Boechera shevockii Windham & Al-Shehbaz |
| | Boechera shockleyi (Munz) Dorn |
| | Boechera sparsiflora (Nutt.) Dorn |
| | Boechera spatifolia (Rydb.) Windham & Al-Shehbaz |
| | Boechera subpinnatifida (S.Watson) Al-Shehbaz |
| | Boechera suffrutescens (S.Watson) Dorn |
| | Boechera texana Windham & Al-Shehbaz |
| | Boechera thompsonii (S.L.Welsh) N.H.Holmgren |
| | Boechera tiehmii (Rollins) Al-Shehbaz |
| | Boechera ultraalsa Windham & Al-Shehbaz |
| | Boechera villosa Windham & Al-Shehbaz |
| | Boechera vivariensis (S.L.Welsh) W.A.Weber |
| | Boechera williamsii (Rollins) Dorn |
| | Boechera yorkii S.Boyd |
| | Boechera zephyra P.J.Alexander |
| | Bolandra californica A.Gray |
| | Bolandra oregana S.Watson |
| | Boykinia aconitifolia Nutt. |
| | Boykinia major A.Gray |
| | Boykinia occidentalis Torr. & A.Gray |
| | Boykinia richardsonii (Hook.) Rothr. |
| | Boykinia rotundifolia Parry ex A.Gray |
| | Braya fernaldii Abbe |
| | Braya glabella Richardson |
| | Braya linearis Rouy |
| | Braya longii Fernald |
| | Braya pilosa Hook. |
| | Braya thorild-wulffii Ostenf. |
| | Brewerimitella breweri (A.Gray) R.A.Folk & Y.Okuyama |
| | Brewerimitella ovalis (Greene) R.A.Folk & Y.Okuyama |
| | Brickellia arguta B.L.Rob. trib. Eupatorieae |
| | Brickellia atractyloides A.Gray trib. Eupatorieae |
| | Brickellia greenei A.Gray trib. Eupatorieae |
| | Brickellia linifolia D.C.Eaton 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 |
| | Calandrinia acaulis Kunth |
| | Callirhoe involucrata (Torr. & A.Gray) A.Gray |
| | Callirhoe papaver (Cav.) A.Gray |
| | Callirhoe triangulata (Leavenw.) A.Gray |
| | Caltha leptosepala DC. |
| | Calyptridium monospermum Greene |
| | Calyptridium umbellatum (Torr.) Greene |
| | Calystegia malacophylla (Greene) Munz |
| | Calystegia subacaulis Hook. & Arn. |
| | Camissoniopsis cheiranthifolia (Hornem.) W.L.Wagner & Hoch |
| | Campanula chamissonis Fed. |
| | Campanula divaricata Michx. |
| | Campanula giesekiana Vest ex Schult. |
| | Campanula lasiocarpa Cham. |
| | Campanula parryi A.Gray |
| | Campanula piperi Howell |
| | Campanula scabrella Engelm. |
| | Campanula scouleri Hook. ex A.DC. |
| | Campanula shetleri Heckard |
| | Cardamine angustata O.E.Schulz |
| | Cardamine bellidifolia L. |
| | Cardamine blaisdellii Eastw. |
| | Cardamine breweri S.Watson |
| | Cardamine clematitis Shuttlew. ex A.Gray |
| | Cardamine constancei Detling |
| | Cardamine digitata Richardson |
| | Cardamine diphylla (Michx.) Alph.Wood |
| | Cardamine dissecta (Leavenw.) Al-Shehbaz |
| | Cardamine douglassii Britton |
| | Cardamine flagellifera O.E.Schulz |
| | Cardamine holmgrenii Al-Shehbaz |
| | Cardamine maxima (Nutt.) Alph.Wood |
| | Cardamine microphylla Adams |
| | Cardamine nuttallii Greene |
| | Cardamine pachystigma (S.Watson) Rollins |
| | Cardamine polemonioides (Rouy) T.Durand & B.D.Jacks. |
| | Cardamine purpurea Cham. & Schltdl. |
| | Cardamine rotundifolia Michx. |
| | Cardamine rupicola (O.E.Schulz) C.L.Hitchc. |
| | Cardamine umbellata Greene |
| | Cassiope hypnoides (L.) Coville |
| | Cassiope lycopodioides (Pall.) D.Don |
| | Cassiope mertensiana (Bong.) D.Don |
| | Cassiope saximontana Small |
| | Cassiope stelleriana (Pall.) DC. |
| | Cassiope tetragona (L.) D.Don |
| | Castilleja angustifolia (Nutt.) G.Don |
| | Castilleja applegatei Fernald |
| | Castilleja aquariensis N.H.Holmgren |
| | Castilleja arachnoidea Greenm. |
| | Castilleja barnebyana Eastw. |
| | Castilleja breweri Fernald |
| | Castilleja caudata (Pennell) Rebrist. |
| | Castilleja chambersii M.Egger & Meinke |
| | Castilleja chlorotica Piper |
| | Castilleja christii N.H.Holmgren |
| | Castilleja chrysantha Greenm. |
| | Castilleja cinerea A.Gray |
| | Castilleja citrina Pennell |
| | Castilleja clokeyi Pennell |
| | Castilleja collegiorum J.M.Egger & Malaby |
| | Castilleja covilleana L.F.Hend. |
| | Castilleja cryptantha Pennell & G.N.Jones |
| | Castilleja dixonii Fernald |
| | Castilleja dubia (A.Nelson) A.Nelson |
| | Castilleja elegans Malte |
| | Castilleja flava S.Watson |
| | Castilleja flavescens Pennel ex Edwin |
| | Castilleja fraterna Greenm. |
| | Castilleja fulva Pennell |
| | Castilleja glandulifera Pennell |
| | Castilleja haydenii (A.Gray) Cockerell |
| | Castilleja hispida Benth. |
| | Castilleja hyperborea Pennell |
| | Castilleja integra A.Gray |
| | Castilleja inverta (A.Nelson & J.F.Macbr.) Pennell & Ownbey |
| | Castilleja lanata A.Gray |
| | Castilleja lemmonii A.Gray |
| | Castilleja lindheimeri A.Gray |
| | Castilleja longispica A.Nelson |
| | Castilleja martini Abrams |
| | Castilleja miniata Douglas ex Hook. |
| | Castilleja nana Eastw. |
| | Castilleja nivea Pennell & Ownbey |
| | Castilleja oblongifolia A.Gray |
| | Castilleja occidentalis Torr. |
| | Castilleja olympica G.N.Jones |
| | Castilleja oreopola Greenm. |
| | Castilleja oresbia Greenm. |
| | Castilleja pallescens (A.Gray) Greenm. |
| | Castilleja parviflora Bong. |
| | Castilleja parvula Rydb. |
| | Castilleja pilosa (S.Watson) Rydb. |
| | Castilleja pinetorum Fernald |
| | Castilleja puberula Rydb. |
| | Castilleja pulchella Rydb. |
| | Castilleja purpurea (Nutt.) G.Don |
| | Castilleja revealii N.H.Holmgren |
| | Castilleja rhexiifolia Rydb. |
| | Castilleja rubida Piper |
| | Castilleja rupicola Piper ex Fernald |
| | Castilleja rustica Piper |
| | Castilleja scabrida Eastw. |
| | Castilleja schizotricha Greenm. |
| | Castilleja steenensis Pennell |
| | Castilleja viscida Rydb. |
| | Castilleja viscidula A.Gray |
| | Castilleja xanthotricha Pennell |
| | Castilleja yukonis Pennell |
| | 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 microphyllus Michx. |
| | Ceanothus parvifolius (S.Watson) Trel. |
| | Ceanothus prostratus Benth. |
| | Ceanothus pumilus Greene |
| | Ceanothus roderickii W.Knight |
| | Cerastium aleuticum Hultén |
| | Cerastium alpinum L. |
| | Cerastium arcticum Lange |
| | Cerastium beeringianum Cham. & Schltdl. |
| | Cerastium bialynickii Tolm. |
| | Cerastium fischerianum Ser. |
| | Cerastium lanatum Lam. |
| | Cerastium maximum L. |
| | Cerastium purpusii Greenm. |
| | Cerastium regelii Ostenf. |
| | Cerastium terrae-novae Fernald & Wiegand |
| | Chaenactis alpigena Sharsm. trib. Helenieae |
| | Chaenactis alpina (A.Gray) M.E.Jones |
| | Chaenactis douglasii Hook. & Arn. trib. Helenieae |
| | Chaenactis evermannii Greene 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 |
| | Chaenactis thompsonii Cronquist trib. Helenieae |
| | Chaetopappa ericoides (Torr.) G.L.Nesom trib. Astereae |
| | Chaetopappa hersheyi S.F.Blake trib. Astereae |
| | Chaetopappa parryi A.Gray trib. Astereae |
| | Chamaechaenactis scaposa Rydb. trib. Helenieae |
| | Chamaedaphne calyculata (L.) Moench |
| | Chamaerhodos erecta (L.) Bunge |
| | Cherleria arctica (Steven ex Ser.) A.J.Moore & Dillenb. |
| | Cherleria biflora (L.) A.J.Moore & Dillenb. |
| | Cherleria marcescens (Fernald) A.J.Moore & Dillenb. |
| | Cherleria obtusiloba (Rydb.) A.J.Moore & Dillenb. |
| | Cherleria yukonensis (Hultén) A.J.Moore & Dillenb. |
| | Chimaphila maculata (L.) Pursh |
| | Chimaphila menziesii (R.Br. ex D.Don) Spreng. |
| | Chimaphila umbellata (L.) W.P.C.Barton |
| | Chionophila jamesii Benth. trib. Cheloneae |
| | Chionophila tweedyi (Canby & Rose) L.F.Hend. trib. Cheloneae |
| | Chrysactinia acerosa S.F.Blake trib. Tageteae |
| | Chrysactinia mexicana A.Gray trib. Tageteae |
| | Chrysactinia truncata S.Watson trib. Tageteae |
| | Chrysanthemum arcticum L. trib. Anthemideae |
| | Chrysanthemum integrifolium Richardson trib. Anthemideae |
| | Chrysanthemum polare (Hultén) P.M.Sl. trib. Anthemideae |
| | Chrysogonum virginianum L. trib. Heliantheae |
| | Chrysothamnus axillaris D.D.Keck trib. Astereae |
| | Chrysothamnus depressus (Nutt.) L.C.Anderson trib. Astereae |
| | Chrysothamnus eremobius L.C.Anderson trib. Astereae |
| | Chrysothamnus humilis Greene trib. Astereae |
| | Chrysothamnus lanceolatus Nutt. trib. Astereae |
| | Chrysothamnus molestus (S.F.Blake) L.C.Anderson trib. Astereae |
| | Chrysothamnus vaseyi Greene trib. Astereae |
| | Chrysothamnus viscidiflorus Nutt. trib. Astereae |
| | Cirsium congdonii R.J.Moore & Frankton trib. Cardueae |
| | Cirsium quercetorum (A.Gray) Jeps. trib. Cardueae |
| | Cirsium tioganum (Congdon) Petr. trib. Cardueae |
| | Claytonia acutifolia Pall. ex Willd. |
| | Claytonia arctica Adam |
| | Claytonia caroliniana Michx. |
| | Claytonia cordifolia S.Watson |
| | Claytonia czukczorum Volkova |
| | Claytonia lanceolata Pursh |
| | Claytonia megarhiza (A.Gray) Parry ex S.Watson |
| | Claytonia multiscapa Rydb. |
| | Claytonia nevadensis S.Watson |
| | Claytonia obovata Rydb. |
| | Claytonia ogilviensis McNeill |
| | Claytonia rosea Rydb. |
| | Claytonia sarmentosa C.A.Mey. |
| | Claytonia scammaniana Hultén |
| | Claytonia sibirica L. |
| | Claytonia tuberosa Pall. ex Schult. |
| | Claytonia umbellata S.Watson |
| | Claytonia virginica L. |
| | Clematis albicoma Wherry |
| | Clematis bigelovii Torr. |
| | Clematis coactilis (Fernald) Keener |
| | Clematis columbiana (Nutt.) Torr. & A.Gray |
| | Clematis fremontii S.Watson |
| | Clematis grosseserrata (Rydb.) Ackerf. |
| | Clematis hirsutissima Pursh |
| | Clematis scottii Porter |
| | Clematis socialis Kral |
| | Clematis tenuiloba (A.Gray) C.L.Hitchc. |
| | Clematis viticaulis E.S.Steele |
| | Clinopodium chandleri (Brandegee) P.D.Cantino & Wagstaff |
| | Clinopodium giresunicum (P.H.Davis) Melnikov |
| | Clinopodium mimuloides (Benth.) Kuntze |
| | Cochlearia groenlandica L. |
| | Collomia debilis (S.Watson) Greene |
| | Collomia larsenii (A.Gray) Payson |
| | Collomia rawsoniana Greene |
| | Colobanthus quitensis (Kunth) Bartl. |
| | Columbiadoria hallii (A.Gray) G.L.Nesom trib. Astereae |
| | Conimitella williamsii (D.C.Eaton) Rydb. |
| | Conradina verticillata Jennison |
| | Coptis aspleniifolia Salisb. |
| | Coptis laciniata A.Gray |
| | Coptis occidentalis (Nutt.) Torr. & A.Gray |
| | Coptis trifolia (L.) Salisb. |
| | Coreopsis auriculata L. trib. Heliantheae |
| | Coreopsis grandiflora Hogg ex Sweet trib. Heliantheae |
| | Coreopsis harveyana A.Gray trib. Heliantheae |
| | Coreopsis lanceolata L. trib. Heliantheae |
| | Coreopsis pulchra F.E.Boynton trib. Heliantheae |
| | Coreopsis rosea Nutt. trib. Heliantheae |
| | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. trib. Astereae |
| | Cornus canadensis L. |
| | Cornus suecica L. |
| | Cornus unalaschkensis Ledeb. |
| | Corydalis pauciflora (Stephan) Pers. sect. Dactylotuber |
| | Corydalis scouleri Hook. sect. Archaecapnos |
| | Coursetia greenmanii (Millsp.) R.Duno & Carbevali |
| | Coursetia pumila (Rose) Lavin |
| | Cremnophila linguifolia (Lem.) Moran |
| | Cremnophila nutans Rose |
| | Crepis bakeri Greene trib. Cichorieae |
| | Crepis glareosa Piper trib. Cichorieae |
| | Crepis modocensis Greene trib. Cichorieae |
| | Crepis monticola Coville trib. Cichorieae |
| | Crepis occidentalis Nutt. trib. Cichorieae |
| | Crepis pumila Rydb. trib. Cichorieae |
| | Crepis rostrata Coville trib. Cichorieae |
| | Crocanthemum arenicola (Chapm.) Barnhart |
| | Crocanthemum bicknellii (Fernald) Janchen |
| | Crocanthemum canadense (L.) Britton |
| | Crocanthemum carolinianum (Walter) Spach |
| | Crocanthemum corymbosum (Michx.) Britton |
| | Crocanthemum dumosum E.P.Bicknell |
| | Crocanthemum georgianum (Chapm.) Barnhart |
| | Crocanthemum greenei (B.L.Rob.) Sorrie |
| | Crocanthemum nashii (Britton) Barnhart |
| | Crocanthemum propinquum (E.P.Bicknell) E.P.Bicknell |
| | Crocanthemum rosmarinifolium (Pursh) Janchen |
| | Crocanthemum scoparium (Nutt.) Millsp. |
| | Crocanthemum suffrutescens (B.Schreib.) Sorrie |
| | Cryptantha abata I.M.Johnst. |
| | Cuniculotinus gramineus (H.M.Hall) Urbatsch. & al. trib. Astereae |
| | Cunila origanoides (L.) Britton |
| | Cusickiella douglasii (A.Gray) Rollins |
| | Cusickiella quadricostata (Rollins) Rollins |
| | Cycladenia humilis Benth. |
| | Cymopterus aboriginum M.E.Jones |
| | Cymopterus albiflorus Torr. & A.Gray |
| | Cymopterus alpinus A.Gray |
| | Cymopterus anisatus A.Gray |
| | Cymopterus bakeri (J.M.Coult. & Rose) M.E.Jones |
| | 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 fendleri A.Gray |
| | Cymopterus foeniculaceus Torr. & A.Gray |
| | Cymopterus gilmanii C.V.Morton |
| | Cymopterus glaucus Nutt. |
| | Cymopterus globosus (S.Watson) S.Watson |
| | Cymopterus glomeratus (Nutt.) DC. |
| | Cymopterus hallii (A.Gray) B.L.Turner |
| | Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist |
| | Cymopterus higginsii S.L.Welsh |
| | Cymopterus humilis (Raf.) Tidestr, |
| | 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 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 ex J.M.Coult. & Rose) M.E.Jones |
| | Cymopterus sessiliflorus (W.L.Theob. & C.C.Tseng) R.L.Hartm. |
| | Cymopterus spellenbergii R.L.Hartm. & J.E.Larson |
| | Cymopterus williamsii R.L.Hartm. & Constance |
| | |
| | Dalea arenicola (Wemple) B.L.Turner trib. Amorpheae |
| | Dalea aurea Nutt. ex Pursh trib. Amorpheae |
| | Dalea candida Willd. trib. Amorpheae |
| | Dalea eriophylla S.Watson trib. Amorpheae |
| | Dalea erythrorhiza Greenm. trib. Amorpheae |
| | Dalea flavescens (S.Watson) S.L.Welsh trib. Amorpheae |
| | Dalea formosa Torr. trib. Amorpheae |
| | Dalea greggii A.Gray trib. Amorpheae |
| | Dalea grisea (Torr. & A.Gray) Shinners trib. Amorpheae |
| | Dalea hallii A.Gray trib. Amorpheae |
| | Dalea jamesii (Torr.) Torr. & A.Gray trib. Amorpheae |
| | Dalea lachnostachys A.Gray trib. Amorpheae |
| | Dalea lasiathera A.Gray trib. Amorpheae |
| | Dalea longipila (B.L.Rob. ex Rydb.) Cory trib. Amorpheae |
| | Dalea luisana S.Watson 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 oligophylla (Torr.) Shinners trib. Amorpheae |
| | Dalea ornata (Douglas ex Hook.) Eaton & Wright trib. Amorpheae |
| | Dalea pogonathera A.Gray trib. Amorpheae |
| | Dalea purpurea Vent. trib. Amorpheae |
| | Dalea radicans S.Watson trib. Amorpheae |
| | Dalea reverchonii (S.Watson) Shinners trib. Amorpheae |
| | Dalea rubescens S.Watson trib. Amorpheae |
| | Dalea scariosa S.Watson trib. Amorpheae |
| | Dalea tenuifolia (A.Gray) Shinners trib. Amorpheae |
| | Dalea tenuis (J.M.Coult.) Shinners |
| | Dalea villosa (Nutt.) Spreng. trib. Amorpheae |
| | Dalea wrightii A.Gray trib. Amorpheae |
| | Dasiphora fruticosa (L.) Rydb. |
| | Delphinium alpestre Rydb. |
| | Delphinium andersonii A.Gray |
| | Delphinium antoninum Eastw. |
| | Delphinium apiculatum Greene |
| | Delphinium bicolor Nutt. |
| | Delphinium brachycentrum Ledeb. |
| | Delphinium caprorum Ewan |
| | Delphinium chamissonis Pritz. ex Walp. |
| | Delphinium decorum Fisch. & C.A.Mey. |
| | Delphinium depauperatum Nutt. |
| | Delphinium glareosum Greene |
| | Delphinium gracilentum Greene |
| | Delphinium kinkiense Munz |
| | Delphinium leucophaeum Greene |
| | Delphinium luteum A.Heller |
| | Delphinium menziesii DC. |
| | Delphinium nudicaule Torr. & A.Gray |
| | Delphinium nuttallianum Pritz. ex Walp. |
| | Delphinium nuttallii A.Gray |
| | Delphinium patens Benth. |
| | Delphinium scaposum Greene |
| | Delphinium tricorne Michx. |
| | Delphinium variegatum Torr. & A.Gray |
| | Delphinium xantholeucum Piper |
| | Delwiensia pattersonii (A.Gray) W.A.Weber & R.C.Wittmann trib. Anthemideae |
| | Descurainia kenheilii Al-Shehbaz |
| | Descurainia torulosa Rollins |
| | Dianthus repens Willd. |
| | Diapensia lapponica L. |
| | Diapensia obovata (F.Schmidt) Nakai |
| | Dicentra canadensis (Goldie) Walp. |
| | Dicentra cucullaria (L.) Bernh. |
| | Dicentra eximia (Ker Gawl.) Torr. |
| | Dicentra formosa (Andrews) Walp. |
| | Dicentra nevadensis Eastw. |
| | Dicentra oregona Eastw. |
| | Dicentra pauciflora S.Watson |
| | Dicentra uniflora Kellogg |
| | Dichodon cerastoides (L.) Rchb. |
| | 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 |
| | Doellingeria gormanii (Piper) Semple & al. trib. Astereae |
| | Doellingeria paucicapitata (B.L.Rob.) Semple & al. trib. Astereae |
| | Draba abajoensis Windham & Al-Shehbaz |
| | Draba albertina Greene |
| | Draba alpina L. sect. Chrysodraba |
| | Draba arabisans Michx. sect. Leucodraba |
| | Draba arctica J.Vahl |
| | Draba arctogena (E.Ekman) E.Ekman |
| | Draba argyrea Rydb. sect. Chrysodraba |
| | 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 borealis DC. sect. Leucodraba |
| | 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 chamissonis G.Don sect. Leucodraba |
| | Draba cinerea Adams sect. Leucodraba |
| | Draba corrugata S.Watson sect. Phyllodraba |
| | Draba corymbosa R.Br. ex DC. sect. Chrysodraba |
| | Draba crassa Rydb. sect. Phyllodraba |
| | Draba crassifolia Graham |
| | Draba cruciata Payson sect. Chrysodraba |
| | Draba cusickii B.L.Rob. ex O.E.Schulz sect. Chrysodraba |
| | Draba cyclomorpha Payson |
| | Draba daviesiae (C.L.Hitchc.) Rollins |
| | Draba densifolia Nutt. sect. Chrysodraba |
| | Draba exunguiculata (O.E.Schulz) C.L.Hitchc. sect. Phyllodraba |
| | Draba fladnizensis Wulfen sect. Leucodraba |
| | Draba glabella Pursh sect. Leucodraba |
| | Draba globosa Payson |
| | Draba graminea Greene sect. Phyllodraba |
| | Draba grandis Langsd. ex DC. |
| | Draba grayana (Rydb.) C.L.Hitchc. |
| | Draba heilii Al-Shehbaz |
| | Draba henricii Al-Shehbaz |
| | Draba hidalgensis Calderón |
| | Draba hitchcockii Rollins |
| | Draba howellii S.Watson sect. Chrysodraba |
| | Draba implexa Rollins |
| | Draba incerta Payson |
| | Draba incrassata (Rollins) Rollins & R.A.Price |
| | Draba inexpectata S.L.Welsh |
| | Draba jaegeri Munz & I.M.Johnst. |
| | Draba jorullensis Kunth |
| | Draba juvenilis Kom. |
| | Draba kassii S.L.Welsh |
| | Draba kluanei G.A.Mulligan |
| | Draba lactea Adams sect. Leucodraba |
| | Draba lemmonii S.Watson sect. Chrysodraba |
| | Draba lonchocarpa Rydb. sect. Leucodraba |
| | Draba longisquamosa O.E.Schulz |
| | Draba macounii O.E.Schulz sect. Chrysodraba |
| | Draba maguirei C.L.Hitchc. |
| | Draba malpighiacea Windham & Al-Shehbaz |
| | Draba micropetala Hook. |
| | Draba monoensis Rollins & R.A.Price |
| | Draba mulliganii Al-Shehbaz |
| | Draba murrayi G.A.Mulligan |
| | Draba nivalis Lilj. sect. Leucodraba |
| | Draba nivicola Rose |
| | Draba norvegica Gunnerus sect. Leucodraba |
| | Draba novolympica Payson & H.St.John |
| | Draba oblongata R.Br. ex DC. sect. Chrysodraba |
| | Draba ogilviensis Hultén |
| | Draba oligosperma Hook. sect. Chrysodraba |
| | Draba oreibata J.F.Macbr. & Payson sect. Chrysodraba |
| | Draba oxycarpa Sommerf. sect. Chrysodraba |
| | Draba palanderiana Kjellm. |
| | Draba pauciflora R.Br. sect. Chrysodraba |
| | Draba paucifructa Clokey & C.L.Hitchc. |
| | Draba paysonii J.F.Macbr. |
| | Draba pectinipila Rollins |
| | Draba pedicellata (Rollins & R.A.Price) Windham |
| | Draba pennellii Rollins |
| | Draba petrophila Greene |
| | Draba pilosa Adams ex DC. |
| | Draba porsildii G.A.Mulligan |
| | Draba pterosperma Payson sect. Chrysodraba |
| | Draba ramosissima Desv. |
| | Draba ramulosa Rollins |
| | Draba ruaxes Payson & H.St.John |
| | Draba saxosa Davidson |
| | Draba scotteri G.A.Mulligan |
| | Draba serpentina (Tiehm & P.K.Holmgren) Al-Shehbaz |
| | Draba sharsmithii Rollins & R.A.Price |
| | Draba sibirica (Pall.) Thell. sect. Chrysodraba |
| | Draba sierrae Sharsm. |
| | Draba simmonsii Elven & Al-Shehbaz |
| | Draba smithii Gilg ex O.E.Schulz sect. Phyllodraba |
| | Draba sobolifera Rydb. sect. Chrysodraba |
| | Draba spectabilis Greene sect. Phyllodraba |
| | Draba sphaerocarpa J.F.Macbr. & Payson |
| | Draba sphaeroides Payson |
| | Draba standleyi J.F.Macbr. & Payson |
| | Draba stenopetala Trautv. sect. Chrysodraba |
| | Draba streptobrachia R.A.Price |
| | Draba streptocarpa A.Gray sect. Phyllodraba |
| | Draba subalpina Goodman & C.L.Hitchc. |
| | Draba subcapitata Simmons |
| | Draba subumbellata Rollins & R.A.Price |
| | Draba taylorii G.A.Mulligan & Al-Shehbaz |
| | Draba trichocarpa Rollins |
| | Draba tschuktschorum Trautv. |
| | Draba ventosa A.Gray sect. Chrysodraba |
| | Draba viridis A.Heller |
| | Draba weberi R.A.Price & Rollins |
| | Draba yukonensis A.E.Porsild |
| | Draba zionensis C.L.Hitchc. |
| | Draperia systyla (A.Gray) Torr. |
| | Dryas ajanensis Juz. |
| | Dryas beringensis (Jurtzev) Chepinoga |
| | Dryas chamissonis Spreng. ex Juz. |
| | Dryas drummondii Richardson ex Hook. |
| | Dryas hookeriana Juz. |
| | Dryas integrifolia Vahl |
| | Dryas octopetala L. |
| | Dryas sylvatica (Hultén) A.E.Porsil |
| | Drymocallis arguta (Pursh) Rydb. |
| | Drymocallis ashlandica (Greene) Rydb. |
| | Drymocallis ewanii (D.D.Keck) P.M.Sl. |
| | Drymocallis fissa (Nutt.) Rydb. |
| | Drymocallis pseudorupestris (Rydb.) Rydb. |
| | Drymocallis pumila Rydb. |
| | Drymocallis rhomboidea (Rydb.) Rydb. |
| | Dudleya abramsii Rose |
| | Dudleya acuminata Rose |
| | Dudleya affinis (K.M.Nakai) P.H.Thomson |
| | Dudleya agourensis (K.M.Nakai) P.H.Thomson |
| | Dudleya albiflora Rose |
| | Dudleya aloides Rose |
| | Dudleya anomala (Davidson) Moran |
| | Dudleya anthonyi Rose |
| | Dudleya arizonica Rose |
| | Dudleya attenuata (S.Watson) Moran |
| | Dudleya bettinae Hoover |
| | Dudleya blochmaniae (Eastw.) Moran |
| | Dudleya brevifolia (Moran) Moran |
| | Dudleya brittonii Johans. |
| | Dudleya calcicola Bartel & Shevock |
| | Dudleya campanulata Moran |
| | Dudleya candelabrum Rose |
| | Dudleya candida Britton & Rose |
| | Dudleya cespitosa (Haw.) Britton & Rose |
| | Dudleya collomiae Rose |
| | Dudleya costafolia (Bartel & Shevock) P.H.Thomson |
| | Dudleya crassifolia Dodero & M.G.Simpson |
| | Dudleya crebrifolia (K.M.Nakai & Verity) P.H.Thomson |
| | Dudleya cultrata Rose |
| | Dudleya cymosa (Lem.) Britton & Rose |
| | Dudleya densiflora (Rose) Moran |
| | Dudleya edulis (Nutt.) Moran |
| | Dudleya farinosa (Lindl.) Britton & Rose |
| | Dudleya formosa Moran |
| | Dudleya gatesii D.A.Johans. |
| | Dudleya gigantea Rose |
| | Dudleya gnoma S.McCabe |
| | Dudleya greenei Rose |
| | Dudleya guadalupensis Moran |
| | Dudleya hassei (Rose) Moran |
| | Dudleya ingens Rose |
| | Dudleya lanceolata (Nutt.) Britton & Rose |
| | Dudleya linearis (Greene) Britton & Rose |
| | Dudleya multicaulis (Rose) Moran |
| | Dudleya murina Eastw. |
| | Dudleya nesiotica (Moran) Moran |
| | Dudleya nubigena (Brandegee) Britton & Rose |
| | Dudleya ovatifolia Britton |
| | Dudleya pachyphytum Moran & M.Benedict |
| | Dudleya palmeri (S.Watson) Britton & Rose |
| | Dudleya parva Rose & Davidson |
| | Dudleya pauciflora Rose |
| | Dudleya pulverulenta (Nutt.) Britton & Rose |
| | Dudleya pumila Rose |
| | Dudleya rubens (Brandegee) Britton & Rose |
| | Dudleya saxosa (M.E.Jones) Britton & Rose |
| | Dudleya semiteres (Rose) Moran |
| | Dudleya setchellii (Jeps.) 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 |
| | |
| | Eastwoodiella californica (Kellogg) Morin |
| | Echeveria acutifolia Lindl. |
| | Echeveria affinis E.Walther |
| | Echeveria agavoides Lem. |
| | Echeveria alata Alexander |
| | Echeveria amoena De Smet ex É.Morren |
| | Echeveria amphoralis E.Walther |
| | Echeveria angustifolia E.Walther |
| | Echeveria atropurpurea (Baker) É.Morren |
| | Echeveria bella Alexander |
| | Echeveria bifida Schltdl. |
| | Echeveria brachetii J.Reyes & O.Gonzáles |
| | Echeveria calderoniae Pérez-Calix |
| | Echeveria calycosa Moran |
| | Echeveria canaliculata Hook.f. |
| | Echeveria cante Glass & Mend.-Garc. |
| | Echeveria carnicolor (Baker) É.Morren |
| | Echeveria cerrograndensis A.Vázquez & Nieves |
| | Echeveria chazaroi Kimnach |
| | Echeveria chihuahuaensis Poelln. |
| | Echeveria colorata E.Walther |
| | Echeveria corderoyi (Baker) É.Morren |
| | Echeveria cuspidata Rose |
| | Echeveria derenbergii J.A.Purpus |
| | Echeveria diffractens Kimnach & A.B.Lau |
| | Echeveria elegans Rose |
| | Echeveria goldiana E.Walther |
| | Echeveria gracilis Rose apud E.Walther |
| | Echeveria halbingeri E.Walther |
| | Echeveria harmsii J.F.Macbr. |
| | Echeveria humilis Rose |
| | Echeveria islasiae J.Reyes & L.E.Cruz-López |
| | Echeveria juarezensis E.Walther |
| | Echeveria kimnachii J.Meyrán & Vega |
| | Echeveria laui Moran & J.Meyrán |
| | Echeveria leucotricha J.A.Purpus |
| | Echeveria macdougallii E.Walther |
| | Echeveria minima J.Meyrán |
| | Echeveria mondragoniana J.Reyes & Bracht |
| | Echeveria moranii E.Walther |
| | Echeveria multicaulis Rose |
| | Echeveria nebularum Moran & Kimnach |
| | Echeveria nodulosa (Baker) Ed.Otto |
| | Echeveria penduliflora E.Walther |
| | Echeveria pilosa J.A.Purpus |
| | Echeveria pinetorum Rose |
| | Echeveria pringlei (S.Watson) Rose |
| | Echeveria prolifica Moran & J.Meyrán |
| | Echeveria prunina Kimnach & Moran |
| | Echeveria pulidonis E.Walther |
| | Echeveria pulvinata Rose |
| | Echeveria purpusiorum A.Berger |
| | Echeveria rosea Lindl. |
| | Echeveria runyonii Rose |
| | Echeveria sanchez-mejoradae E.Walther |
| | Echeveria schaffneri (S.Watson) Rose |
| | Echeveria secunda Booth ex Lindl. |
| | Echeveria shaviana E.Walther |
| | Echeveria simulans Rose |
| | Echeveria skinneri E.Walther |
| | Echeveria steyermarkii Standl. |
| | Echeveria stolonifera (Baker) Ed.Otto |
| | Echeveria strictiflora A.Gray |
| | Echeveria subalpina Rose & Purpus |
| | Echeveria subcorymbosa Kimnach & Moran |
| | Echeveria tenuis Rose |
| | Echeveria tobarensis A.Berger |
| | Echeveria tolucensis Rose |
| | Echeveria turgida Rose |
| | Echeveria uhlii J.Meyrán |
| | Echeveria valvata Moran |
| | Echeveria viridissima E.Walther |
| | Echeveria waltheri Moran & J.Meyrán |
| | Ehrendorferia chrysantha (Hook. & Arn.) Rylander |
| | Ehrendorferia ochroleuca (Engelm.) Fukuhara |
| | Elliottia pyroliflora (Bong.) S.W.Brim & P.F.Stevens |
| | Elmera racemosa (S.Watson) Rydb. |
| | Empetrum atropurpureum Fernald & Wiegand |
| | Empetrum eamesii Fernald & Wiegand |
| | Empetrum nigrum L. |
| | Encelia nutans Eastw. trib. Heliantheae |
| | Enceliopsis argophylla A.Nelson trib. Heliantheae |
| | Enceliopsis nudicaulis A.Nelson trib. Heliantheae |
| | Enemion biternatum Raf. |
| | Enemion hallii (A.Gray) J.R.Drumm. & Hutch. |
| | Enemion occidentale (Hook. & Arn.) J.R.Drumm. & Hutch. |
| | Enemion savilei (Calder & Roy L.Taylor) Keener |
| | Enemion stipitatum (A.Gray) J.R.Drumm. & Hutch. |
| | Epigaea repens L. |
| | Epilobium alsinifolium Vill. |
| | Epilobium anagallidifolium Lam. |
| | Epilobium arcticum Sam. |
| | Epilobium arizonicum (Davidson) P.M.Sl. |
| | Epilobium behringianum Hausskn. |
| | Epilobium canum (Greene) P.H.Raven |
| | Epilobium clavatum Trel. |
| | Epilobium davuricum Fisch. ex Hornem. |
| | Epilobium fastigiatum (Nutt.) Piper |
| | Epilobium garrettii (A.Nelson) P.M.Sl. |
| | Epilobium glaberrimum Barbey |
| | Epilobium hallianum Hausskn. |
| | Epilobium hornemannii Rchb. |
| | Epilobium howellii Hoch |
| | Epilobium lactiflorum Hausskn. |
| | Epilobium latifolium L. |
| | Epilobium leptocarpum Hausskn. |
| | Epilobium luteum Pursh |
| | Epilobium mirabile Trel. ex Piper |
| | 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 |
| | Epilobium smithii H.Lév. |
| | Epilobium suffruticosum Nutt. |
| | Eremogone aberrans (M.E.Jones) Ikonn. |
| | Eremogone aculeata (S.Watson) Ikonn. |
| | Eremogone americana (Maguire) Ikonn. |
| | Eremogone capillaris (Poir.) Fenzl |
| | Eremogone cephaloidea (Rydb.) P.M.Sl. |
| | Eremogone charlestonensis (Maguire) P.M.Sl. |
| | Eremogone cliftonii Rabeler & R.L.Hartm. |
| | Eremogone congesta (Nutt.) Ikonn. |
| | Eremogone crassula (Maguire) P.M.Sl. |
| | 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 lithophila (Rydb.) P.M.Sl. |
| | Eremogone macradenia (S.Watson) Ikonn. |
| | Eremogone pinetorum (A.Nelson) P.M.Sl. |
| | Eremogone prolifera (Maguire) P.M.Sl. |
| | Eremogone pumicola (Coville & Leiberg) Ikonn. |
| | Eremogone simulans (Maguire) P.M.Sl. |
| | Eremogone stenomeres (Eastw.) Ikonn. |
| | Eremogone subcongesta (S.Watson) P.M.Sl. |
| | Eremogone suffrutescens (A.Gray) P.M.Sl. |
| | Eremogone uintahensis (A.Nelson) P.M.Sl. |
| | 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 linearis (Rydb.) R.P.Roberts & Urbatsch trib. Astereae |
| | Ericameria monocephala (A.Nelson & P.B.Kenn.) D.W.Taylor trib. Astereae |
| | Ericameria montana (L.C.Anderson) P.M.Sl. trib. Astereae |
| | Ericameria nana Nutt. trib. Astereae |
| | Ericameria nauseosa var. iridis (L.C.Anderson) G.L.Nesom trib. Astereae |
| | Ericameria nauseosa var. nana (Cronquist) G.L.Nesom trib. Astereae |
| | Ericameria nauseosa var. texensis (L.C.Anderson) G.L.Nesom |
| | 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 resinosa Nutt. trib. Astereae |
| | Ericameria suffruticosa (Nutt.) G.L.Nesom trib. Astereae |
| | Ericameria vulcanica (Greene) P.M.Sl. trib. Astereae |
| | Ericameria watsonii (A.Gray) G.L.Nesom trib. Astereae |
| | Ericameria winwardii (Dorn & Delmatier) R.P.Roberts & al. trib. Astereae |
| | Ericameria zionis (L.C.Anderson) G.L.Nesom trib. Astereae |
| | Erigenia bulbosa (Michx.) Nutt. |
| | Erigeron abajoensis Cronquist trib. Astereae |
| | Erigeron acomanus Spellenb. & P.J.Knight trib. Astereae |
| | Erigeron aequifolius H.M.Hall trib. Astereae |
| | Erigeron algidus Jeps. trib. Astereae |
| | Erigeron aliceae Howell trib. Astereae |
| | Erigeron allocotus S.F.Blake trib. Astereae |
| | Erigeron alpiniformis Cronquist trib. Astereae |
| | Erigeron anchana G.L.Nesom trib. Astereae |
| | Erigeron angustatus (A.Gray) Greene 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 aureus Greene trib. Astereae |
| | Erigeron austiniae Greene trib. Astereae |
| | Erigeron barbellulatus Greene trib. Astereae |
| | Erigeron basalticus Hoover 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 cascadensis A.Heller trib. Astereae |
| | Erigeron cavernensis S.L.Welsh & N.D.Atwood trib. Astereae |
| | Erigeron cervinus Greene trib. Astereae |
| | Erigeron chrysopsidis 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 confinis Howell 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 covillei Greene trib. Astereae |
| | Erigeron cronquistii Maguire trib. Astereae |
| | Erigeron denalii A.Nelson trib. Astereae |
| | Erigeron disparipilus Cronquist trib. Astereae |
| | Erigeron eatonii A.Gray trib. Astereae |
| | Erigeron elegantulus Greene trib. Astereae |
| | Erigeron elmeri Greene trib. Astereae |
| | Erigeron engelmannii A.Nelson trib. Astereae |
| | Erigeron eriocephalus J.Vahl trib. Astereae |
| | Erigeron evermannii Rydb. trib. Astereae |
| | Erigeron filifolius (Hook.) Nutt. trib. Astereae |
| | Erigeron flabellifolius Rydb. trib. Astereae |
| | Erigeron flagellaris A.Gray trib. Astereae |
| | Erigeron flettii G.N.Jones 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 gracilis Rydb. trib. Astereae |
| | Erigeron grandiflorus Hook. trib. Astereae |
| | Erigeron hartwegii Greene trib. Astereae |
| | Erigeron heliographis G.L.Nesom trib. Astereae |
| | Erigeron hessii G.L.Nesom trib. Astereae |
| | Erigeron howellii A.Gray trib. Astereae |
| | Erigeron humilis Graham trib. Astereae |
| | Erigeron hyperboreus Greene trib. Astereae |
| | Erigeron hyssopifolius Michx. trib. Astereae |
| | Erigeron jacinteus H.M.Hall trib. Astereae |
| | Erigeron jonesii Cronquist trib. Astereae |
| | Erigeron kachinensis S.L.Welsh & Gl.Moore trib. Astereae |
| | Erigeron karvinskianus DC. trib. Astereae |
| | Erigeron klamathensis (G.L.Nesom) G.L.Nesom trib. Astereae |
| | Erigeron kuschei Eastw. trib. Astereae |
| | Erigeron lackschewitzii G.L.Nesom & W.A.Weber trib. Astereae |
| | Erigeron lanatus Hook. trib. Astereae |
| | Erigeron lassenianus Greene trib. Astereae |
| | Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist trib. Astereae |
| | Erigeron leibergii Piper 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 mariposanus Congdon trib. Astereae |
| | Erigeron melanocephalus A.Nelson trib. Astereae |
| | Erigeron miser A.Gray trib. Astereae |
| | Erigeron muirii 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 nevadincola S.F.Blake trib. Astereae |
| | Erigeron nivalis Nutt. trib. Astereae |
| | Erigeron nudatus A.Gray trib. Astereae |
| | Erigeron ochroleucus Nutt. trib. Astereae |
| | Erigeron oreganus A.Gray trib. Astereae |
| | Erigeron ovinus Cronquist trib. Astereae |
| | Erigeron oxyphyllus Greene trib. Astereae |
| | Erigeron pacificus Howell |
| | Erigeron pallens Cronquist trib. Astereae |
| | Erigeron parishii A.Gray trib. Astereae |
| | Erigeron parryi Canby & Rose trib. Astereae |
| | Erigeron peregrinus (Pursh) Greene trib. Astereae |
| | Erigeron petrophilus Greene trib. Astereae |
| | Erigeron pinnatisectus (A.Gray) A.Nelson trib. Astereae |
| | Erigeron piperianus Cronquist trib. Astereae |
| | Erigeron plantagineus Greene trib. Astereae |
| | Erigeron poliospermus A.Gray trib. Astereae |
| | Erigeron porphyreticus M.E.Jones trib. Astereae |
| | Erigeron porsildii G.L.Nesom & D.F.Murray trib. Astereae |
| | Erigeron pringlei A.Gray trib. Astereae |
| | Erigeron pulcherrimus A.Heller trib. Astereae |
| | Erigeron pumilus Nutt. trib. Astereae |
| | Erigeron purpuratus Greene trib. Astereae |
| | Erigeron pygmaeus Greene trib. Astereae |
| | Erigeron radicatus Hook. trib. Astereae |
| | Erigeron reductus (Cronquist) G.L.Nesom trib. Astereae |
| | Erigeron rybius G.L.Nesom trib. Astereae |
| | Erigeron rydbergii Cronquist trib. Astereae |
| | Erigeron salishii G.W.Douglas & Packer trib. Astereae |
| | Erigeron salmonensis Brunsfeld & G.L.Nesom trib. Astereae |
| | Erigeron sanctarum S.Watson trib. Astereae |
| | Erigeron saxatilis G.L.Nesom trib. Astereae |
| | Erigeron scopulinus G.L.Nesom & V.D.Roth trib. Astereae |
| | Erigeron setchellii Jeps. trib. Astereae |
| | Erigeron sionis Cronquist trib. Astereae |
| | Erigeron sivinskii G.L.Nesom trib. Astereae |
| | Erigeron sonnei Greene trib. Astereae |
| | Erigeron subglaber Cronquist trib. Astereae |
| | Erigeron supplex A.Gray trib. Astereae |
| | Erigeron tener (A.Gray) A.Gray trib. Astereae |
| | Erigeron thompsonii S.F.Blake ex J.W.Thomps. trib. Astereae |
| | Erigeron trifidus Hook. trib. Astereae |
| | Erigeron tweedyi Canby 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 vetensis Rydb. trib. Astereae |
| | Erigeron villosulus Greene trib. Astereae |
| | Erigeron viscidus Rydb. trib. Astereae |
| | Erigeron watsonii (A.Gray) Cronquist trib. Astereae |
| | Erigeron wilkenii O´Kane trib. Astereae |
| | Erigeron yukonensis Rydb. trib. Astereae |
| | Eriogonum acaule Nutt. sect. Eucycla |
| | Eriogonum allenii S.Watson sect. Oligogonum |
| | Eriogonum alpinum Engelm. sect. Oligogonum |
| | Eriogonum ammophilum Reveal |
| | Eriogonum androsaceum Benth. sect. Oligogonum |
| | Eriogonum anemophilum Greene sect. Eucycla |
| | Eriogonum anserinum Greene sect. Eucycla |
| | Eriogonum apachense Reveal 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 aureum M.E.Jones sect. Oligogonum |
| | Eriogonum bannockense (S.Stokes) R.J.Davis sect. Eucycla |
| | Eriogonum batemanii M.E.Jones sect. Eucycla |
| | Eriogonum beatleyae Reveal sect. Eucycla |
| | Eriogonum bicolor M.E.Jones sect. Eucycla |
| | Eriogonum brandegeei Rydb. 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 chrysocephalum A.Gray sect. Eucycla |
| | Eriogonum chrysops Rydb. sect. Eucycla |
| | Eriogonum clavellatum Small sect. Eucycla |
| | Eriogonum codium Reveal, Caplow & K.A.Beck sect. Eucycla |
| | Eriogonum cognatum Greene sect. Oligogonum |
| | Eriogonum coloradense Small sect. Eucycla |
| | Eriogonum compositum Douglas ex Benth. sect. Oligogonum |
| | Eriogonum congdonii (S.Stokes) Reveal sect. Oligogonum |
| | Eriogonum contortum Small sect. Eucycla |
| | Eriogonum correllii Reveal |
| | Eriogonum corymbosum Benth. sect. Eucycla |
| | Eriogonum coryphaeum (Torr. & A.Gray) G.N.Jones sect. Oligogonum |
| | Eriogonum covillei Small sect. Oligogonum |
| | Eriogonum crocatum Davidson sect. Eucycla |
| | Eriogonum cronquistii Reveal sect. Eucycla |
| | Eriogonum crosbyae Reveal sect. Eucycla |
| | Eriogonum cupulatum S.Stokes sect. Oligogonum |
| | Eriogonum cusickii M.E.Jones sect. Eucycla |
| | Eriogonum depressum (Blank.) Rydb. sect. Eucycla |
| | Eriogonum desertorum (Maguire) R.J.Davis sect. Eucycla |
| | Eriogonum diatomaceum Reveal, J.Reynolds & Picciani sect. Eucycla |
| | Eriogonum diclinum Reveal sect. Oligogonum |
| | Eriogonum douglasii Benth. sect. Oligogonum |
| | Eriogonum dumosum Greene sect. Oligogonum |
| | Eriogonum effusum Nutt. sect. Eucycla |
| | Eriogonum elatum Douglas ex Benth. sect. Eucycla |
| | Eriogonum ellipticum Nutt. sect. Oligogonum |
| | Eriogonum ephedroides Reveal sect. Eucycla |
| | Eriogonum eremicum Reveal sect. Eucycla |
| | Eriogonum ericifolium A.Gray sect. Eucycla |
| | Eriogonum evanidum Reveal |
| | Eriogonum exilifolium Reveal sect. Eucycla |
| | Eriogonum eximium Tidestr. sect. Eucycla |
| | Eriogonum fasciculatum Benth. sect. Eucycla |
| | Eriogonum fasciculifolium A.Nelson sect. Oligogonum |
| | Eriogonum flavum Nutt. ex Benth. sect. Oligogonum |
| | Eriogonum gilmanii S.Stokes sect. Eucycla |
| | Eriogonum glaberrimum Gand. sect. Oligogonum |
| | Eriogonum gracilipes S.Watson sect. Eucycla |
| | Eriogonum greenei A.Gray sect. Eucycla |
| | Eriogonum gypsophilum Wooton & Standl. sect. Eucycla |
| | Eriogonum halimoides Gand. sect. Oligogonum |
| | Eriogonum haussknechtii Dammer sect. Oligogonum |
| | Eriogonum havardii S.Watson sect. Eucycla |
| | Eriogonum heermannii Durand & Hilg. sect. Eucycla |
| | Eriogonum helichrysoides Prain sect. Eucycla |
| | Eriogonum heracleoides Nutt. sect. Oligogonum |
| | Eriogonum hirtellum J.T.Howell & Bacigal. sect. Oligogonum |
| | Eriogonum holmgrenii Reveal sect. Eucycla |
| | Eriogonum hylophilum Reveal & Brotherson sect. Eucycla |
| | Eriogonum incanum Torr. & A.Gray sect. Oligogonum |
| | 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 laxiflorum (Hook.) Nutt. ex Benth. |
| | 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 lonchophyllum Torr. & A.Gray sect. Eucycla |
| | Eriogonum mancum Rydb. sect. Eucycla |
| | Eriogonum marifolium A.Gray sect. Oligogonum |
| | Eriogonum mensicola S.Stokes sect. Eucycla |
| | Eriogonum micranthum Nutt sect. Eucycla |
| | Eriogonum microtheca Nutt. sect. Eucycla |
| | Eriogonum minus (I.M.Johnst.) Ewan sect. Oligogonum |
| | Eriogonum mitophyllum Reveal sect. Eucycla |
| | Eriogonum modocense Greene sect. Oligogonum |
| | Eriogonum nanum Reveal sect. Eucycla |
| | Eriogonum natum Reveal sect. Eucycla |
| | Eriogonum nervulosum (S.Stokes) Reveal sect. Oligogonum |
| | Eriogonum nivale Canby ex Coville sect. Eucycla |
| | Eriogonum niveum Douglas ex Benth. sect. Eucycla |
| | Eriogonum nodosum Small sect. Eucycla |
| | Eriogonum nudum var. paralinum Reveal sect. Eucycla |
| | Eriogonum ochrocephalum S.Watson sect. Eucycla |
| | Eriogonum ochroleucum Small ex Rydb. sect. Eucycla |
| | Eriogonum ostlundii M.E.Jones |
| | Eriogonum ovalifolium Nutt. sect. Eucycla |
| | Eriogonum panamintense C.V.Morton sect. Eucycla |
| | Eriogonum panguicense (M.E.Jones) Reveal sect. Eucycla |
| | Eriogonum pauciflorum Pursh sect. Eucycla |
| | Eriogonum pelinophilum Reveal sect. Eucycla |
| | Eriogonum pendulum S.Watson sect. Eucycla |
| | Eriogonum phoeniceum L.M.Shultz sect. Eucycla |
| | Eriogonum piperi Greene sect. Oligogonum |
| | Eriogonum polifolium Benth. sect. Eucycla |
| | Eriogonum polyanthum Benth. sect. Oligogonum |
| | Eriogonum polypodum Small sect. Oligogonum |
| | Eriogonum porteri Small sect. Oligogonum |
| | Eriogonum prattenianum Durand sect. Oligogonum |
| | Eriogonum prociduum Reveal sect. Eucycla |
| | Eriogonum proliferum Torr. & A.Gray sect. Eucycla |
| | Eriogonum pulchrum Eastw. sect. Eucycla |
| | Eriogonum purpureum (Nutt.) Nutt. ex Benth. sect. Eucycla |
| | Eriogonum purpusii Brandegee sect. Eucycla |
| | Eriogonum pyrolifolium Hook. sect. Oligogonum |
| | Eriogonum racemosum Nutt. sect. Eucycla |
| | Eriogonum revelianum S.L.Welsh |
| | Eriogonum ripleyi J.T.Howell sect. Eucycla |
| | Eriogonum robustum Greene sect. Oligogonum |
| | Eriogonum rosense A.Nelson & P.B.Kenn. sect. Eucycla |
| | Eriogonum rubidum Gand. sect. Eucycla |
| | Eriogonum sarahiae N.D.Atwood & A.Clifford sect. Eucycla |
| | Eriogonum saxatile S.Watson sect. Eucycla |
| | Eriogonum scapigerum Eastw. sect. Eucycla |
| | Eriogonum scopulorum Reveal |
| | Eriogonum shockleyi S.Watson sect. Eucycla |
| | Eriogonum simpsonii Benth. |
| | Eriogonum siskiyouense Small sect. Oligogonum |
| | Eriogonum smallianum A.Heller sect. Oligogonum |
| | Eriogonum soliceps Reveal & Björk |
| | Eriogonum soredium Reveal sect. Eucycla |
| | Eriogonum spathulatum A.Gray sect. Eucycla |
| | Eriogonum speciosum Drew sect. Oligogonum |
| | Eriogonum spectabile B.L.Corbin, Reveal & R.Barron sect. Eucycla |
| | Eriogonum sphaerocephalum Douglas ex Benth. sect. Oligogonum |
| | Eriogonum strictum Benth. sect. Eucycla |
| | Eriogonum subalpinum Greene sect. Oligogonum |
| | Eriogonum suffruticosum S.Watson sect. Eucycla |
| | Eriogonum sulcatum S.Watson |
| | Eriogonum taxifolium Greene sect. Eucycla |
| | Eriogonum tenue Small sect. Oligogonum |
| | Eriogonum ternatum Howell sect. Oligogonum |
| | Eriogonum terrenatum Reveal sect. Eucycla |
| | Eriogonum thornei (Reveal & Henrickson) L.M.Shultz sect. Eucycla |
| | Eriogonum thymoides Benth. sect. Oligogonum |
| | Eriogonum tiehmii Reveal sect. Eucycla |
| | Eriogonum torreyanum A.Gray sect. Oligogonum |
| | Eriogonum trachygonum Torr. ex Benth. 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 undulatum Benth. sect. Oligogonum |
| | Eriogonum ursinum S.Watson sect. Oligogonum |
| | Eriogonum villiflorum A.Gray sect. Eucycla |
| | Eriogonum vineum Small sect. Eucycla |
| | Eriogonum viridulum Reveal sect. Eucycla |
| | Eriogonum wootonii (Reveal) Reveal sect. Oligogonum |
| | Eriogonum wrightii Torr. ex Benth. sect. Eucycla |
| | Eriogonum xanthum Small sect. Oligogonum |
| | Eriogonum zionis var. coccineum J.T.Howell |
| | Eriophyllum achilleoides (DC.) Greene trib. Helenieae |
| | Eriophyllum arachnoideum (Fisch. & Avé-Lall.) Greene trib. Helenieae |
| | Eriophyllum confertiflorum (DC.) A.Gray trib. Helenieae |
| | Eriophyllum croceum Greene trib. Helenieae |
| | Eriophyllum grandiflorum (A.Gray) Greene trib. Helenieae |
| | Eriophyllum integrifolium (Hook.) Greene trib. Helenieae |
| | Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| | Eriophyllum lanceolatum Howell trib. Helenieae |
| | Eriophyllum leucophyllum Howell trib. Helenieae |
| | Eriophyllum obovatum Greene trib. Helenieae |
| | Eriophyllum tanacetifolium Greene trib. Helenieae |
| | Eritrichium arctisibiricum (V.V.Petrovsky) A.P.Khokhr. |
| | Eritrichium aretioides (Cham.) DC. |
| | Eritrichium argenteum W.Wight |
| | Eritrichium chamissonis A.DC. |
| | Eritrichium howardii (A.Gray) Rydb. |
| | Eritrichium splendens Kearney ex W.Wight |
| | Eritrichium villosum (Ledeb.) Bunge |
| | Erocallis triphylla (S.Watson) Rydb. sect. Pygmaea |
| | Eryngium alismifolium Greene |
| | Eryngium constancei M.Y.Sheikh |
| | Eryngium pendletonense K.L.Marsden & M.G.Simpson |
| | Erysimum amoenum (Greene) Rydb. |
| | Erysimum arenicola S.Watson |
| | Erysimum capitatum (Douglas) Greene |
| | Erysimum franciscanum Rossbach |
| | Erysimum insulare (Greene) Greene |
| | Erysimum menziesii (Hook.) Wettst. |
| | Erysimum occidentale (S.Watson) B.L.Rob. |
| | Erysimum redowskii Weinm. |
| | Erysimum suffrutescens (Abrams) Rossbach |
| | Erythranthe caespitosa (Greene) G.L.Nesom |
| | Erythranthe cardinalis (Douglas ex Benth.) Spach |
| | Erythranthe chinatiensis G.L.Nesom |
| | 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 glabrata (Kunth) G.L.Nesom |
| | Erythranthe jungermannioides (Suksd.) G.L.Nesom |
| | Erythranthe lewisii (Pursh) G.L.Nesom & N.S.Fraga |
| | Erythranthe linearifolia (A.L.Grant) G.L.Nesom & N.S.Fraga |
| | Erythranthe michiganensis (Pennell) G.L.Nesom |
| | Erythranthe minor (A.Nelson) G.L.Nesom |
| | 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 adhaerens (Small) Jabl. |
| | Euphorbia albomarginata Torr. & Gray |
| | Euphorbia astyla Englem. ex Boiss. |
| | Euphorbia brachycera Engelm. |
| | Euphorbia chaetocalyx (Boiss.) Tidestr. |
| | Euphorbia cinerascens Engelm. |
| | Euphorbia deltoidea Engelm. ex Chapm. |
| | Euphorbia exserta (Small) Coker |
| | Euphorbia fendleri Torr. & A.Gray |
| | Euphorbia innocua L.C.Wheeler |
| | Euphorbia jaegeri V.W.Steinm. & J.M.André |
| | Euphorbia jejuna M.C.Johnst. & Warnock |
| | Euphorbia lurida Engelm. |
| | Euphorbia melanadenia Torr. & A.Gray |
| | Euphorbia parishii Greene |
| | Euphorbia polyphylla Engelm. ex Holz. |
| | Euphorbia radians Benth. |
| | Euphorbia telephioides Chapm. |
| | Eurybia aberrans (A.Nelson) G.L.Nesom trib. Astereae |
| | Eurybia kingii (D.C.Eaton) G.L.Nesom trib. Astereae |
| | Eurybia merita (A.Nelson) G.L.Nesom trib. Astereae |
| | Eurybia sibirica (L.) G.L.Nesom trib. Astereae |
| | Eutetras palmeri A.Gray trib. Heliantheae |
| | Eutetras pringlei Greenm. trib. Heliantheae |
| | Eutrema edwardsii R.Br. |
| | Evolvulus nuttallianus Roem. & Schult. |
| | |
| | Fallugia paradoxa (D.Don ex Tilloch) Endl. ex Torr. |
| | Frankenia salina (Molina) I.M.Johnst. |
| | Frasera ackermaniae C.C.Newb. & Goodrich |
| | Frasera albicaulis Griseb. |
| | Frasera albomarginata S.Watson |
| | Frasera coloradensis (C.M.Rodgers) D.M.Post |
| | Frasera cusickii A.Gray |
| | Frasera fastigiata (Pursh) A.Heller |
| | Frasera gypsicola (Barneby) D.M.Post |
| | Frasera induta Tidestr. |
| | Frasera montana Mulford |
| | Frasera nitida Benth. |
| | Frasera parryi Torr. |
| | Frasera puberulenta Davidson |
| | |
| | Gaillardia aristata Pursh trib. Heliantheae |
| | Gaillardia comosa A.Gray trib. Heliantheae |
| | Gaillardia multiceps Greene trib. Heliantheae |
| | Gaillardia parryi Greene trib. Heliantheae |
| | Gaillardia pinnatifida Torr. trib. Heliantheae |
| | Gaillardia spathulata A.Gray trib. Heliantheae |
| | Galax urceolata (Poir.) Brummitt |
| | Galium coloradoense W.Wight |
| | Galium grayanum Ehrend. |
| | Galium hypotrichium A.Gray |
| | Galium kamtschaticum Steller ex Schult. & Schult.f. |
| | Gaultheria hispidula (L.) Muhl. ex Bigelow |
| | Gaultheria humifusa (Graham) Rydb. |
| | Gaultheria myrsinoides Kunth |
| | Gaultheria ovatifolia A.Gray |
| | Gaultheria procumbens L. |
| | Gaultheria pyroloides Hook.f. & Thomson ex Miq. |
| | Gaultheria shallon Pursh |
| | Gaylussacia baccata (Wangenh.) K.Koch |
| | Gaylussacia brachycera (Michx.) Torr. & A.Gray |
| | Gaylussacia dumosa (Andrews) Torr. & A.Gray |
| | Gentiana affinis Griseb. sect. Pneumonanthe |
| | Gentiana alba Muhl. ex J.McNab sect. Pneumonanthe |
| | Gentiana algida Pall. sect. Frigidae |
| | Gentiana andrewsii Griseb. sect. Pneumonanthe |
| | Gentiana austromontana J.S.Pringle & Sharp sect. Pneumonanthe |
| | Gentiana autumnalis L. sect. Pneumonanthe |
| | Gentiana calycosa Griseb. sect. Pneumonanthe |
| | Gentiana catesbaei Walter sect. Pneumonanthe |
| | Gentiana clausa Raf. sect. Pneumonanthe |
| | Gentiana dakotica (A.Nelson) P.M.Sl. sect. Pneumonanthe |
| | Gentiana decora Pollard sect. Pneumonanthe |
| | Gentiana glauca Pall. sect. Isomeria |
| | Gentiana latidens (House) J.S.Pringle & Weakley sect. Pneumonanthe |
| | Gentiana linearis Froel. sect. Pneumonanthe |
| | Gentiana newberryi A.Gray sect. Pneumonanthe |
| | Gentiana oregana Engl. ex A.Gray sect. Pneumonanthe |
| | Gentiana parryi Engelm. sect. Pneumonanthe |
| | Gentiana pennelliana Fernald sect. Pneumonanthe |
| | Gentiana platypetala Griseb. sect. Pneumonanthe |
| | Gentiana plurisetosa C.T.Mason sect. Pneumonanthe |
| | Gentiana puberulenta J.S.Pringle sect. Pneumonanthe |
| | Gentiana rubricaulis Schwein. sect. Pneumonanthe |
| | Gentiana saponaria L. sect. Pneumonanthe |
| | Gentiana sceptrum Griseb. sect. Pneumonanthe |
| | Gentiana setigera A.Gray sect. Pneumonanthe |
| | Gentiana tiogana A.Heller sect. Pneumonanthe |
| | Gentiana villosa L. sect. Pneumonanthe |
| | Gentianopsis barbellata (Engelm.) Iltis |
| | Geocarpon carolinianum (Walter) E.E.Schill. |
| | Geocarpon cumberlandense (Wofford & R.Kral) E.E.Schill. |
| | Geocarpon groenlandicum (Retz.) E.E.Schill. |
| | Geranium alpicola Loes. |
| | Geranium bellum Rose |
| | Geranium caespitosum E.James |
| | Geranium cruceroense R.Knuth |
| | Geranium monanthum Small |
| | Geranium potosinum H.E.Moore |
| | Geranium richardsonii Fisch. & Trautv. |
| | Geranium tenue Hanks |
| | Geranium trolliifolium Small |
| | Geranium viscosissimum Fisch. & C.A.Mey. |
| | Geranium wislizeni S.Watson |
| | Geum calthifolium Menzies ex Sm. |
| | Geum ciliatum Pursh |
| | Geum glaciale Adams ex Fisch. |
| | Geum macranthum (Kearney ex Rydb.) B.Boivin |
| | Geum peckii Pursh |
| | Geum radiatum Michx. |
| | Geum rossii (R.Br.) Ser. |
| | Geum triflorum Pursh |
| | Geum turbinatum Rydb. |
| | Giliastrum acerosum (A.Gray) Rydb. |
| | Giliastrum rigidulum (Benth.) Rydb. |
| | Glossopetalon pungens Brandegee |
| | Graptopetalum amethystinum (Rose) E.Walther |
| | Graptopetalum bartramii Rose |
| | Graptopetalum bellum (Moran & J.Meyrán) D.R.Hunt |
| | Graptopetalum filiferum (S.Watson) Whitehead |
| | Graptopetalum fruticosum Moran |
| | Graptopetalum glassii Acev.-Rosas & Chazáro |
| | Graptopetalum macdougallii Alexander |
| | Graptopetalum marginatum Kimnach & Moran |
| | Graptopetalum pachyphyllum Rose |
| | Graptopetalum paraguayense (N.E.Br.) E.Walther |
| | Graptopetalum pusillum Rose |
| | Graptopetalum rusbyi (Greene) Rose |
| | Graptopetalum saxifragoides Kimnach |
| | Graptopetalum sinaloensis Vega |
| | Gratiola lutea Raf. |
| | Gratiola ramosa Walter |
| | 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 arida I.M.Johnst. |
| | Hackelia cottonii (Piper) Brand |
| | Hackelia cusickii (Piper) Brand |
| | Hackelia diffusa (Douglas ex Lehm.) I.M.Johnst. |
| | 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. |
| | Hackelia taylorii Harrod & al. |
| | Hackelia venusta (Piper) H.St.John |
| | Hartmaniella sierrae (Rabeler & R.L.Hartm.) M.L.Zhang |
| | Hebecarpa americana (Mill.) J.R.I.Wood & S.Beck |
| | Hebecarpa barbeyana (Chodat) J.R.Abbott |
| | Hebecarpa buxifolia (Kunth) J.R.Abbott & J..F.B.Pastore |
| | Hebecarpa macradenia (A.Gray) J.R.Abbott |
| | Hebecarpa myrtilloides (Willd.) J.R.Abbott & J.F.B.Pastore |
| | Hebecarpa obscura (Benth.) J.R.Abbott |
| | Hebecarpa ovatifolia (A.Gray) J.R.Abbott |
| | Hebecarpa palmeri (S.Watson) J.R.Abbott |
| | Hebecarpa punctata (Humb. ex Schult.) J.R.Abbott & J.Pastore |
| | Hebecarpa rectipilis (S.F.Blake) J.R.Abbott |
| | Hebecarpa robinsonii (S.F.Blake) J.R.Abbott & J.F.B.Pastore |
| | Hebecarpa tehuacana (Brandegee) J.R.Abbott & J.F.B.Pastore |
| | Hebecarpa velutina (C.Presl) J.R.Abbott & J.F.B.Pastore |
| | Hedeoma apiculata W.S.Stewart |
| | Hedeoma nana (Torr.) Briq. |
| | Hedeoma pulcherrima Wooton & Standl. |
| | Hedeoma reverchonii (A.Gray) A.Gray |
| | Hedeoma todsenii R.S.Irving |
| | Hedysarum boreale Nutt. trib. Hedysareae |
| | Hedysarum mackenzie Richardson trib. Hedysareae |
| | Hedysarum sulphurescens Rydb. trib. Hedysareae |
| | Hedysarum truncatum Eastw. trib. Hedysareae |
| | Helianthella californica ssp. shastensis (W.A.Weber) W.A.Weber |
| | Helianthella parryi A.Gray trib. Heliantheae |
| | Helianthus arizonensis R.C.Jacks. |
| | Hemieva ranunculifolia Raf. |
| | Hepatica acutiloba DC. |
| | Hepatica americana (DC.) Ker Gawl. |
| | 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 nanus (Lindl.) Greene |
| | Hesperochiron pumilus (Griseb.) Porter |
| | Heterotheca ballardii (Rydb.) G.L.Nesom trib. Astereae |
| | Heterotheca compacta (D.D.Keck) P.M.Sl. trib. Astereae |
| | Heterotheca depressa (Rydb.) Dorn trib. Astereae |
| | Heterotheca hirsutissima (Greene) G.L.Nesom trib. Astereae |
| | 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 polothrix G.L.Nesom trib. Astereae |
| | Heterotheca pumila (Greene) Semple trib. Astereae |
| | Heterotheca rudis (Greene) G.L.Nesom trib. Astereae |
| | Heterotheca scaberrima (A.Gray) G.L.Nesom trib. Astereae |
| | Heterotheca sierrablancensis (Semple) G.L.Nesom trib. Astereae |
| | Heterotheca villosa (Pursh) Shinners trib. Astereae |
| | Heterotheca viscida (A.Gray) V.L.Harms trib. Astereae |
| | Heuchera abramsii Rydb. |
| | Heuchera arkansana Rydb. |
| | Heuchera bracteata (Torr.) Ser. |
| | Heuchera brevistaminea Wiggins |
| | Heuchera caespitosa Eastw. |
| | Heuchera cylindrica Douglas |
| | Heuchera diversifolia Rydb. |
| | Heuchera eastwoodiae Rosend., Butters & Lakela |
| | Heuchera elegans Abrams |
| | Heuchera erubescens A.Brau & C.D.Bouché |
| | Heuchera glabra Willd. ex Schult. |
| | Heuchera glomerulata Rosend., Butters & Lakela |
| | Heuchera gracilis Rydb. |
| | Heuchera grossulariifolia Rydb. |
| | Heuchera hallii A.Gray |
| | Heuchera hartwegii (S.Watson ex Wheelock) Rydb. |
| | Heuchera hirsutissima Rosend., Butters & Lakela |
| | Heuchera lithophila A.Heller |
| | Heuchera lloydii Rydb. |
| | Heuchera longiflora Rydb. |
| | Heuchera longipetala Moc. ex Ser. |
| | Heuchera maxima Greene |
| | Heuchera merriamii Eastw. |
| | Heuchera mexicana J.H.Schaffn. |
| | Heuchera micrantha Douglas |
| | Heuchera novomexicana Wheelock |
| | Heuchera orizabensis Hemsl. |
| | Heuchera parishii Rydb. |
| | Heuchera parviflora Bartl. |
| | Heuchera parvifolia Nutt. |
| | Heuchera pilosissima Fisch. & C.A.Mey. |
| | Heuchera puberula Mack. & Bush |
| | Heuchera pulchella Wooton & Standl. |
| | Heuchera richardsonii R.Br. |
| | Heuchera rubescens Torr. |
| | Heuchera sanguinea Engelm. |
| | Heuchera woodsiaphila P.J.Alexander |
| | Heuchera wootonii Rydb. |
| | Hieracium alpinum L. trib. Cichorieae |
| | Hieracium bolanderi A.Gray trib. Cichorieae |
| | Hieracium brevipilum Greene |
| | Hieracium horridum Fr. trib. Cichorieae |
| | Hieracium triste Willd. ex Spreng. trib. Cichorieae |
| | Hoffmannseggia drummondii Torr. & A.Gray trib. Caesalpinieae |
| | Hoffmannseggia glauca (Ortega) Eifert trib. Caesalpinieae |
| | Hoita orbicularis (Lindl.) Rydb. trib. Psoraleeae |
| | Holmgrenanthe petrophila (Coville & C.V.Morton) Elisens |
| | Hosackia incana Torr. trib. Loteae |
| | Hosackia oblongifolia Benth. trib. Loteae |
| | Hosackia yollabolliensis (Munz) D.D.Sokoloff trib. Loteae |
| | Houstonia caerulea L. |
| | Houstonia calycosa A.Gray |
| | Houstonia longifolia Gaertn. |
| | Houstonia montana Small |
| | Houstonia purpurea L. |
| | Houstonia rubra Cav. |
| | Houstonia serpyllifolia Michx. |
| | Houstonia tenuifolia Nutt. |
| | Houstonia wrightii A.Gray |
| | Hudsonia ericoides L. |
| | Hudsonia montana Nutt. |
| | Hudsonia tomentosa Nutt. |
| | Hulsea algida A.Gray trib. Helenieae |
| | Hulsea calicarpha (H.M.Hall) S.Watson ex Rydb. trib. Helenieae |
| | Hulsea inyoensis (D.D.Keck) Munz trib. Helenieae |
| | Hulsea nana A.Gray trib. Helenieae |
| | Hulsea parryi A.Gray trib. Helenieae |
| | Hulsea pygmaea (A.Gray) P.M.Sl. trib. Helenieae |
| | Hulsea vestita A.Gray trib. Helenieae |
| | Hydrophyllum albifrons A.Heller |
| | Hydrophyllum alpestre A.Nelson & P.B.Kenn. |
| | Hydrophyllum canadense L. |
| | Hydrophyllum capitatum Douglas ex Benth. |
| | Hydrophyllum fendleri (A.Gray) A.Heller |
| | Hydrophyllum occidentale (S.Watson) A.Gray |
| | Hydrophyllum tenuipes A.Heller |
| | Hydrophyllum thompsonii M.Peck |
| | Hylotelephium telephioides (Michx.) H.Ohba |
| | Hymenoxys bigelovii (A.Gray) K.F.Parker trib. Helenieae |
| | Hymenoxys brandegeei (Porter ex A.Gray) K.F.Parker trib. Helenieae |
| | 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 rusbyi Cockerell trib. Helenieae |
| | Hymenoxys subintegra Cockerell trib. Helenieae |
| | Hymenoxys vaseyi Cockerell trib. Helenieae |
| | Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| | Hypericum buckleyi M.A.Curtis sect. Myriandra |
| | Hypericum concinnum Benth. sect. Concinna |
| | Hypericum ellipticum Hook. sect. Myriandra |
| | Hypericum peninsulare Eastw. sect. Brathys |
| | Hypericum scouleri Hook. sect. Hypericum |
| | Hypericum stragulum P.B.Adams & N.Robson |
| | Hypericum suffruticosum P.B.Adams & N.Robson sect. Myriandra |
| | |
| | Ionactis alpina (Nutt.) Greene trib. Astereae |
| | Ionactis caelestis P.J.Leary & G.L.Nesom trib. Astereae |
| | Ionactis elegans (Soreng & Spellenb.) G.L.Nesom trib. Astereae |
| | Ionactis linariifolia (L.) Greene trib. Astereae |
| | Ionactis stenomeres (A.Gray) Greene trib. Astereae |
| | Ipomopsis arizonica (Greene) Wherry |
| | Ipomopsis congesta (Hook.) V.E.Grant |
| | Ipomopsis longiflora (Torr.) V.E.Grant |
| | Ipomopsis polyantha (Rydb.) V.E.Grant |
| | Ipomopsis roseata (Rydb.) V.E.Grant |
| | Ipomopsis spicata (Nutt.) V.E.Grant |
| | Ipomopsis tenuifolia (A.Gray) V.E.Grant |
| | Ipomopsis tenuituba (Rydb.) V.E.Grant |
| | Iris bracteata S.Watson |
| | Iris brevicaulis Raf. |
| | Iris chrysophylla Howell |
| | Iris fernaldii R.C.Foster |
| | Iris hartwegii Baker |
| | Iris innominata L.F.Hend. |
| | Isocoma humilis G.L.Nesom trib. Astereae |
| | |
| | Jeffersonia diphylla (L.) Pers. |
| | Jepsonia heterandra Eastw. |
| | Jepsonia malvifolia (Greene) Small |
| | Jepsonia parryi (Torr.) Small |
| | Justicia wrightii A.Gray |
| | |
| | Kalmia angustifolia L. |
| | Kalmia buxifolia (P.J.Bergius) Gift & Kron |
| | Kalmia carolina Small |
| | Kalmia cuneata Michx. |
| | Kalmia hirsuta Walter |
| | Kalmia microphylla (Hook.) A.Heller |
| | Kalmia occidentalis Small |
| | Kalmia polifolia Wangenh. |
| | Kalmia procumbens (L.) Gift & al. ex Galasso & al. |
| | Kalmiopsis leachiana (L.F.Hend.) Rehder |
| | Keckiella corymbosa (Benth. ex A,DC.) Straw |
| | Keckiella jacintensis (Abrams) P.M.Sl. |
| | Keckiella rothrockii (A.Gray) Straw |
| | Kelseya uniflora (S.Watson) Rydb. |
| | Knowltonia mexicana (Kunth) Christenh. & Byng |
| | Koenigia davisiae (W.H.Brewer) T.M.Schuster & Reveal |
| | Koenigia phytolaccifolia (Small) T.M.Schuster & Reveal |
| | Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit |
| | |
| | Lagotis glauca Gaertn. |
| | Laphamia aglossa (A.Gray) Benth. & Hook.f. ex Hemsl. trib. Heliantheae |
| | Laphamia angustifolia A.Gray trib. Heliantheae |
| | Laphamia bisetosa Torr. trib. Heliantheae |
| | Laphamia cernua Greene trib. Heliantheae |
| | Laphamia cinerea A.Gray trib. Heliantheae |
| | Laphamia cochisensis W.E.Niles trib. Heliantheae |
| | Laphamia dissecta Torr. trib. Heliantheae |
| | Laphamia gilensis M.E.Jones trib. Heliantheae |
| | Laphamia gracilis M.E.Jones trib. Heliantheae |
| | Laphamia grandifolia (Brandegee) Everly trib. Heliantheae |
| | Laphamia intricata Brandegee trib. Heliantheae |
| | Laphamia inyoensis Ferris trib. Heliantheae |
| | Laphamia lemmonii A.Gray trib. Heliantheae |
| | Laphamia lindheimeri A.Gray trib. Heliantheae |
| | Laphamia megalocephala S.Watson trib. Heliantheae |
| | Laphamia parryi (A.Gray) Benth. & Hook.f. ex Hemsl. trib. Heliantheae |
| | Laphamia quinqueflora Steyerm. trib. Heliantheae |
| | Laphamia rupestris A.Gray trib. Heliantheae |
| | Laphamia saxicola Eastw. trib. Heliantheae |
| | Laphamia stansburyi A.Gray trib. Heliantheae |
| | Laphamia staurophylla Barneby trib. Heliantheae |
| | Laphamia villosa S.F.Blake trib. Heliantheae |
| | Lathyrus biflorus T.W. Nelson & J.P.Nelson trib. Vicieae |
| | Lathyrus bijugatus T.G.White trib. Vicieae |
| | Lathyrus brachycalyx Rydb. trib. Vicieae |
| | Lathyrus decaphyllus Pursh trib. Vicieae |
| | Lathyrus incanus (J.G.Sm. & Rydb.) Rydb. trib. Vicieae |
| | Lathyrus rigidus T.G.White trib. Vicieae |
| | Lathyrus torreyi S.Watson trib. Vicieae |
| | Lathyrus zionis C.L.Hitch. trib. Vicieae |
| | Lenophyllum acutifolium Rose |
| | Lenophyllum guttatum (Rose) Rose |
| | Lenophyllum obtusum Moran |
| | Lenophyllum reflexum S.S.White |
| | Lenophyllum texanum (Donn.Sm.) Rose |
| | Lenophyllum weinbergii Britton |
| | Lepidium barnebyanum Reveal |
| | Lepidium davisii Rollins |
| | Lepidium integrifolium Nutt. |
| | Lepidium montanum Nutt. |
| | Lepidium nanum S.Watson |
| | Lepidium ostleri S.L.Welsh & Goodrich |
| | Leptarrhena pyrolifolia (D.Don) Ser. |
| | Leptosiphon nuttallii (A.Gray) J.M.Porter & L.A.Johnson |
| | Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson |
| | Lespedeza procumbens Michx. trib. Desmodieae |
| | Leucactinia bracteata (S.Watson) Rydb. trib. Tageteae |
| | Leucophysalis nana (A.Gray) Averett |
| | Leucosyris blepharophylla (A.Gray) Pruski & R.L.Hartm. trib. Astereae |
| | Leucothoë davisiae Torr. |
| | Lewisia brachycalyx Engelm. ex A.Gray sect. Pygmaea |
| | Lewisia cantelovii J.T.Howell sect. Cotyledon |
| | Lewisia columbiana (Howell ex A.Gray) B.L.Rob. sect. Cotyledon |
| | Lewisia congdonii (Rydb.) S.Clay sect. Cotyledon |
| | Lewisia cotyledon (S.Watson) B.L.Rob. sect. Cotyledon |
| | Lewisia disepala Rydb. sect. Rediviva |
| | Lewisia heckneri (C.V.Morton) J.T.Howell sect. Cotyledon |
| | Lewisia howellii (S.Watson) B.L.Rob. sect. Cotyledon |
| | 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 minor Rydb. 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 rupicola English sect. Cotyledon |
| | Lewisia stebbinsii Gankin & W.R.Hildreth sect. Pygmaea |
| | Lewisia wallowensis (C.L.Hitchc.) P.M.Sl. sect. Cotyledon |
| | Lewisiopsis tweedyi (A.Gray) Govaerts |
| | Liatris cylindracea Michx. trib. Eupatorieae |
| | Liatris mucronata DC. trib. Eupatorieae |
| | Liatris punctata Hook. trib. Eupatorieae |
| | Linanthus caespitosus (Nutt.) J.M.Porter & L.A.Johnson |
| | Linanthus californicus (Hook. & Arn.) J.M.Porter |
| | Linanthus hallii (Parish) P.M.Sl. |
| | Linanthus hazeliae (M.Peck) P.M.Sl. |
| | Linanthus hookeri (Douglas ex Hook.) P.M.Sl. |
| | Linanthus jaegeri (Munz) J.M.Porter & J.M.Johnson |
| | Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson |
| | Linanthus watsonii (A.Gray) Wherry |
| | Lindernia grandiflora Nutt. |
| | Linum allredii Sivinski & M.O.Howard |
| | Linum cruciatum Planch. |
| | Linum elongatum (Small) H.J.P. Winkl. |
| | Linum kingii S.Watson |
| | Linum lepagei B.Boivin |
| | Linum lewisii Pursh |
| | Linum rupestre Engelm. ex A.Gray |
| | 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 californicum A.Gray |
| | Lithospermum canescens (Michx.) Lehm. |
| | Lithospermum incisum Lehm. |
| | Lithospermum mirabile Small |
| | Lobelia kalmii L. |
| | Lobelia nana Kunth |
| | Lobelia umbellifera McVaugh |
| | Lomatium ambiguum (Nutt.) J.M.Coult. & Rose |
| | Lomatium attenuatum Evert |
| | Lomatium austiniae (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium bradshawii (Rose) Mathias & Constance |
| | Lomatium canbyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| | Lomatium caruifolium (Hook. & Arn.) J.M.Coult. & Rose |
| | Lomatium ciliolatum Jeps. |
| | Lomatium columbianum Mathias & Constance |
| | Lomatium congdonii J.M.Coult. & Rose |
| | Lomatium cous (S.Watson) J.M.Coult. & Rose |
| | Lomatium cusickii (S.Watson) J.M.Coult. & Rose |
| | Lomatium cuspidatum Mathias & Constance |
| | Lomatium daucifolium (Torr. & A.Gray) J.M.Coult. & Rose |
| | Lomatium donnellii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium eastwoodiae (J.M.Coult. & Rose) J.F.Macbr. |
| | Lomatium engelmannii Mathias |
| | Lomatium foeniculaceum (Nutt.) J.M.Coult. & Rose |
| | Lomatium fusiformis (S.Watson) J.F.Sm. & Mansfield |
| | Lomatium geyeri (S.Watson) J.M.Coult. & Rose |
| | Lomatium gormanii (Howell) J.M.Coult. & Rose |
| | Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium greenmanii Mathias |
| | Lomatium hallii (S.Watson) J.M.Coult. & Rose |
| | Lomatium hendersonii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium hooveri (Mathias & Constance) Constance & B.Ertter |
| | Lomatium humile (J.M.Coult. & Rose) Hoover |
| | Lomatium insulare (Eastw.) Munz |
| | Lomatium inyoense Mathias & Constance |
| | Lomatium juniperinum (M.E.Jones) J.M.Coult. & Rose |
| | Lomatium laevigatum J.M.Coult. & Rose |
| | Lomatium latilobum (Rydb.) Mathias |
| | Lomatium linearifolium (S.Watson) J.F.Sm. & Mansfield |
| | Lomatium lithosolamans J.F.Sm. & M.A.Feist |
| | Lomatium macdougalii J.M.Coult. & Rose |
| | Lomatium macrocarpum (Hook. & Arn.) L.M.Coult. & Rose |
| | Lomatium martindalei (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium minimum (Mathias) Mathias |
| | Lomatium minus (Rose ex Howell) Mathias & Constance |
| | Lomatium mohavense (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium nevadense (S.Watson) J.M.Coult. & Rose |
| | Lomatium nuttallii (A.Gray) J.F.Macbr. |
| | Lomatium observatorium Constance & B.Ertter |
| | Lomatium oreganum (J.M.Coult. & Rose) J.M.Coulter & Rose |
| | Lomatium orientale J.M.Coult. & Rose |
| | Lomatium parishii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium piperi J.M.Coulter & Rose |
| | Lomatium planosum (Osterh.) Mansfield & S.R.Downie |
| | Lomatium ravenii var. paiutense K.M.Carlson & Mansfield |
| | Lomatium roneorum Darrach |
| | Lomatium roseanum Cronquist |
| | Lomatium sandbergii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lomatium scabrum (J.M.Coult. & Rose) Mathias |
| | Lomatium serpentinum (M.E.Jones) Mathias |
| | Lomatium shevockii R.L.Hartm. & Constance |
| | Lomatium stebbinsii Schlessman & Constance |
| | Lomatium tenuissimum (Geyer ex Hook.) M.A.Feist & Plunkett |
| | Lomatium thompsonii (Mathias) Cronquist |
| | Lomatium torreyi (J.M.Coult. & Rose) J.M.Coulter & Rose |
| | Lomatium tracyi Mathias & Constance |
| | Lomatium tuberosum Hoover |
| | Lomatium utriculatum (Nutt.) J.M.Coult. & Rose |
| | Lomatium vaginatum J.M.Coult. & Rose |
| | Lomatium watsonii (J.M.Coult. & Rose) J.M.Coult. & Rose |
| | Lonicera interrupta Benth. |
| | Lorandersonia microcephala (Cronquist) Urbatsch & al. trib. Astereae |
| | Luetkea pectinata (Pursh) Kuntze |
| | Luina hypoleuca Benth. trib. Senecioneae |
| | Luina serpentina Cronquist trib. Senecioneae |
| | Lupinus argenteus Pursh trib. Genisteae |
| | Lupinus aridus Douglas trib. Genisteae |
| | Lupinus brachypodus Piper trib. Genisteae |
| | Lupinus breweri A.Gray trib. Genisteae |
| | Lupinus caespitosus Nutt. trib. Genisteae |
| | Lupinus cervinus Kellogg trib. Genisteae |
| | Lupinus confertus Kellogg trib. Genisteae |
| | Lupinus constancei T.W.Nelson & J.P.Nelson trib. Genisteae |
| | Lupinus covillei Greene trib. Genisteae |
| | Lupinus crassus Payson trib. Genisteae |
| | Lupinus croceus Eastw. trib. Genisteae |
| | Lupinus culbertsonii Greene trib. Genisteae |
| | Lupinus cusickii S.Watson trib. Genisteae |
| | Lupinus depressus Rydb. trib. Genisteae |
| | Lupinus duranii Eastw. trib. Genisteae |
| | Lupinus evermannii Rydb. trib. Genisteae |
| | Lupinus fruticulosus Greene trib. Genisteae |
| | Lupinus fulvomaculatus Payson trib. Genisteae |
| | Lupinus gracilentus Greene trib. Genisteae |
| | Lupinus grayi S.Watson trib. Genisteae |
| | Lupinus holosericeus Nutt. trib. Genisteae |
| | Lupinus hypolasius Greene trib. Genisteae |
| | Lupinus hypoleucus Greene trib. Genisteae |
| | Lupinus lapidicola A.Heller trib. Genisteae |
| | Lupinus laxiflorus Douglass ex Lindl. trib. Genisteae |
| | Lupinus lepidus Douglas ex Lindl. trib. Genisteae |
| | Lupinus littoralis Douglas ex Lindl. trib. Genisteae |
| | Lupinus lobbii A.Gray ex S.Watson trib. Genisteae |
| | Lupinus lyallii A.Gray trib. Genisteae |
| | Lupinus minimus Douglas trib. Genisteae |
| | Lupinus minutifolius Eastw. trib. Genisteae |
| | Lupinus monticola Rydb. trib. Genisteae |
| | Lupinus nevadensis A.Heller trib. Genisteae |
| | Lupinus obtusilobus A.Heller trib. Genisteae |
| | Lupinus onustus S.Watson trib. Genisteae |
| | Lupinus palmeri S.Watson trib. Genisteae |
| | Lupinus parviflorus Nutt. ex. Hook. & Arn. trib. Genisteae |
| | Lupinus roseolus Rydb. 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 |
| | Lupinus washoensis A.Heller trib. Genisteae |
| | Lupinus watsonii A.Heller trib. Genisteae |
| | Lygodesmia arizonica Tomb. trib. Cichorieae |
| | Lygodesmia dianthopsis (D.C.Eaton) Tomb trib. Cichorieae |
| | Lygodesmia doloresensis 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 |
| | Lysimachia borealis (Raf.) U.Manns & Anderb. |
| | Lysimachia europaea (L.) U.Manns & Anderb. |
| | Lysimachia graminea (Greene) Hand.-Mazz. |
| | |
| | Mabrya acerifolia (Pennell) Elisens |
| | Marina alamosana (Rose) Barneby trib. Amorpheae |
| | Marina calycosa (A.Gray) Barneby trib. Amorpheae |
| | Marina orcuttii (S.Watson) Barneby trib. Amorpheae |
| | Meehania cordata (Nutt.) Britton |
| | Melampodium cinereum DC. trib. Heliantheae |
| | Melampodium leucanthum Torr. & A.Gray trib. Heliantheae |
| | Melanocalyx uniflora (L.) Morin |
| | Menodora scabra Engelm. ex A.Gray |
| | Menodora spinescens A.Gray |
| | Mentzelia acerosa M.E.Jones |
| | Mentzelia argillosa J.Darl. |
| | Mentzelia decapetala (Sims) Urb. |
| | Mentzelia guadalupensis (Spellenb.) P.M.Sl. |
| | Mentzelia humilis (Urb. & Gilg) J.Darl. |
| | Mentzelia inyoensis H.J.Thomps. & Prigge |
| | Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray |
| | Mentzelia nuda (Pursh) Torr. & A.Gray |
| | Mentzelia oligosperma Nutt. ex Sims |
| | Mentzelia oreophila J.Darl. |
| | Mentzelia torreyi A.Gray |
| | Menyanthes trifoliata L. |
| | Mertensia alaskana Britton |
| | Mertensia arizonica Greene |
| | Mertensia bakeri Greene |
| | Mertensia bella Piper |
| | Mertensia brachyloba Greene |
| | Mertensia brevistyla S.Watson |
| | Mertensia caelestina A.Nelson & Cockerell |
| | Mertensia campanulata A.Nelson |
| | Mertensia cana Rydb. |
| | Mertensia ciliata (E.James ex Torr.) G.Don |
| | Mertensia coriacea A.Nelson |
| | Mertensia cusickii Piper |
| | Mertensia cynoglossoides Greene |
| | Mertensia drummondii (Lehm.) G.Don |
| | Mertensia fendleri A.Gray |
| | Mertensia franciscana A.Heller |
| | Mertensia humilis Rydb. |
| | Mertensia lanceolata (Pursh) DC. |
| | Mertensia lateriflora Greene |
| | Mertensia longiflora Greene |
| | Mertensia maritima (L.) S.F.Gray |
| | Mertensia oblongifolia (Nutt.) G.Don |
| | Mertensia ovata Rydb. |
| | Mertensia paniculata (Aiton) G.Don |
| | Mertensia parvifolia (L.O.Williams) Nazaire & L.Hufford |
| | Mertensia secundorum Cockerell |
| | Mertensia stomatechoides Kellogg |
| | Mertensia tweedyi Rydb. |
| | Mertensia virginica (L.) Pers. ex Link |
| | Mertensia viridis (A.Nelson) A.Nelson |
| | Micranthes apetala (Piper) Small sect. Micranthes |
| | Micranthes aprica (Greene) Small sect. Micranthes |
| | Micranthes bryophora (A.Gray) Brouillet & Gornall sect. Arabisa |
| | Micranthes californica (Greene) Small sect. Micranthes |
| | Micranthes calycina (Sternb.) Gornall & H.Ohba sect. Calthophyllum |
| | Micranthes careyana (A.Gray) Small sect. Dermasea |
| | Micranthes carlottae (Calder & Saville) P.M.Sl. sect. Calthophyllum |
| | Micranthes caroliniana (A.Gray) Small sect. Dermasea |
| | Micranthes cascadensis (Calder & Saville) P.M.Sl. sect. Calthophyllum |
| | Micranthes eriophora (S.Watson) Small sect. Dermasea |
| | Micranthes ferruginea (Graham) Brouillet & Gornall sect. Arabisa |
| | Micranthes foliolosa (R.Br.) Gornall sect. Arabisa |
| | Micranthes fragosa (Suksd. ex Small) Small sect. Micranthes |
| | Micranthes gormanii (Suksd.) Brouillet & Gornall sect. Dermasea |
| | Micranthes hieraciifolia (Waldst. & Kit. ex Willd.) Haw. sect. Micranthes |
| | Micranthes hitchcockiana (Elvander) Brouillet & Gornall sect. Micranthes |
| | Micranthes howellii (Greene) Small sect. Dermasea |
| | Micranthes idahoensis (Piper) Brouillet & Gornall sect. Dermasea |
| | Micranthes insularis (Hultén) Chepinoga sect. Calthophyllum |
| | Micranthes integrifolia (Hook.) Small sect. Micranthes |
| | Micranthes lyallii (Engl.) Small sect. Calthophyllum |
| | Micranthes marshallii (Greene) Small sect. Dermasea |
| | Micranthes mertensiana (Bong.) Rosend. |
| | Micranthes micranthidifolia (Haw.) Small sect. Aulaxis |
| | Micranthes nelsoniana (D.Don) Small sect. Calthophyllum |
| | Micranthes nidifica (Greene) Small sect. Micranthes |
| | Micranthes nivalis (L.) Small sect. Dermasea |
| | Micranthes nudicaulis (D.Don) Gornall & H.Ohba |
| | Micranthes occidentalis (S.Watson) Small sect. Dermasea |
| | Micranthes oregana (Howell) Small sect. Micranthes |
| | Micranthes palmeri Bush sect. Dermasea |
| | Micranthes pensylvanica (L.) Haw. sect. Micranthes |
| | Micranthes petiolaris (Raf.) Bush sect. Arabisa |
| | Micranthes porsildiana (Calder & Saville) Elven & D.F.Murray sect. Calthophyllum |
| | Micranthes razshivinii (Zhmylev) Brouillet & Gornall |
| | Micranthes reflexa (Hook.) Small sect. Dermasea |
| | Micranthes rhomboidea (Greene) Small sect. Micranthes |
| | Micranthes rufidula Small sect. Dermasea |
| | Micranthes spicata (D.Don) Small sect. Calthophyllum |
| | Micranthes stellaris (L.) Galasso & al. sect. Arabisa |
| | Micranthes subapetala (E.Nelson) Small sect. Micranthes |
| | Micranthes tempestiva (Elvander & Denton) Gornall sect. Micranthes |
| | Micranthes tenuis (Wahlenb.) Small sect. Dermasea |
| | Micranthes texana (Buckley) Small sect. Dermasea |
| | Micranthes tischii (Skelly) Brouillet & Gornall sect. Dermasea |
| | Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall sect. Intermediae |
| | Micranthes unalaschcensis (Sternb.) Gornall & H.Ohba sect. Calthophyllum |
| | Micranthes virginiensis (Michx.) Small sect. Dermasea |
| | Micromeria douglasii Benth. |
| | Microseris alpestris (A.Gray) Q.Jones ex Cronquist trib. Cichorieae |
| | Microseris cuspidata (Pursh) Sch.Bip. trib. Cichorieae |
| | Microseris nigrescens L.F.Hend. trib. Cichorieae |
| | Microseris troximoides A.Gray trib. Cichorieae |
| | Microspermum nummulariifolium Lag. trib. Heliantheae |
| | Mimophytum mexicanum (S.Watson) R.R.Mill ex Holstein & Weigen |
| | Mitchella repens L. |
| | Mitella diphylla L. |
| | Mitella nuda L. |
| | Mitellastra caulescens (Nutt.) Howell |
| | Moehringia lateriflora (L.) Fenzl |
| | Monarda fistulosa L. |
| | Monarda menthifolia Graham |
| | Monardella arida (H.M.Hall) P.M.Sl. |
| | Monardella australis Abrams |
| | Monardella beneolens Shevock, Ertter & Jokerst |
| | Monardella boydii A.C.Sanders & Elvin |
| | Monardella cinerea Abrams |
| | Monardella crispa Elmer |
| | Monardella discolor Greene |
| | Monardella eremicola A.C.Sanders & Elvin |
| | Monardella franciscana Elmer |
| | Monardella glauca Greene |
| | Monardella macrantha A.Gray |
| | Monardella nana A.Gray |
| | Monardella neglecta Greene |
| | Monardella odoratissima Benth. |
| | Monardella pallida A.Heller |
| | Monardella palmeri A.Gray |
| | Monardella purpurea Howell |
| | Monardella sheltonii Torr. ex Durand |
| | Monardella stebbinsii Hardham & Bartel |
| | Monardella subserrata Greene |
| | Monardella tenuiflora S.Watson ex A.Gray |
| | Monardella villosa Benth. |
| | Monardella viridis Jeps. |
| | Moneses uniflora (L.) A.Gray |
| | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| | Montia parvifolia (Moc. ex DC.) Greene |
| | Musineon divaricatum (Pursh) Nutt. |
| | Musineon hookeri (Torr. & A.Gray) Nutt. |
| | Musineon lineare (Rydb.) Mathias |
| | Musineon tenuifolium Nutt. |
| | Musineon vaginatum Rydb. |
| | Myosotis asiatica (Vestergr.) Schischk. & Serg. |
| | |
| | Nabalus boottii DC. trib. Cichorieae |
| | Nama lobbii A.Gray |
| | Nama rothrockii A.Gray |
| | Nama xylopoda (Wooton & Standl.) C.L.Hitchc. |
| | Neoparrya lithophila Mathias |
| | Nerisyrenia hypercorax P.J.Alexander & M.J.Moore |
| | Nerisyrenia linearifolia (S.Watson) Greene |
| | Nestotus andersonii (Rydb.) P.M.Sl. trib. Astereae |
| | Nestotus lanuginosus (A.Gray) G.L.Nesom trib. Astereae |
| | Nestotus macleanii (Brandegee) R.P.Roberts & al. trib. Astereae |
| | Nestotus stenophyllus (A.Gray) R.P.Roberts & al. trib. Astereae |
| | Nevada holmgrenii (Rollins) N.H.Holmgren |
| | Nicolletia occidentalis A.Gray trib. Calenduleae |
| | Nicolletia trifida Rydb. trib. Calenduleae |
| | Noccaea arctica (A.E.Porsild) Holub |
| | Noccaea californica (S.Watson) P.M.Sl. |
| | Noccaea fendleri (A.Gray) Holub |
| | Noccaea glauca (A.Nelson) Holub |
| | Noccaea idahoense (Payson) ined. |
| | Noccaea siskiyouense (P.K.Holmgren) P.M.Sl. |
| | |
| | Oenothera acutissima W.L.Wagner sect. Lavauxia |
| | Oenothera albicaulis Pursh sect. Anogra |
| | Oenothera avita (W.M.Klein) W.E.Klein sect. Anogra |
| | Oenothera berlandieri (Spach) Steud. |
| | Oenothera brachycarpa A.Gray sect. Megapterium |
| | Oenothera canescens Torr. & Frém. sect. Gauropsis |
| | Oenothera capillifolia Scheele |
| | Oenothera cespitosa Nutt. sect. Pachylophus |
| | Oenothera coronopifolia Torr. & A.Gray sect. Kleinia |
| | Oenothera coryi W.L.Wagner sect. Megapterium |
| | Oenothera deltoides Torr. & Frém. sect. Anogra |
| | Oenothera deserticola (Loes.) Munz sect. Hartmannia |
| | Oenothera dissecta A.Gray ex S.Watson sect. Leucocoryne |
| | Oenothera fendleri A.Gray sect. Calylophus |
| | Oenothera filifolia (Eastw.) Tidestr. sect. Calylophus |
| | Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| | Oenothera fremontii S.Watson sect. Megapterium |
| | Oenothera fruticosa L. sect. Kneiffia |
| | Oenothera gayleana M.L.Turner & M.J.Moore sect. Calylophus |
| | Oenothera greggii A.Gray sect. Calylophus |
| | Oenothera hartwegii Benth. sect. Calylophus |
| | Oenothera havardii S.Watson sect. Paradoxus |
| | Oenothera hispida (Benth.) W.L.Wagner & al. |
| | Oenothera howardii (A.Nelson) M.E.Jones ex Prain sect. Megapterium |
| | Oenothera kunthiana (Spach) Munz |
| | Oenothera latifolia (Rydb.) Munz sect. Anogra |
| | Oenothera lavandulifolia Torr. & A.Gray sect. Calylophus |
| | Oenothera luciae-julianiae W.L.Wagner sect. Leucocoryne |
| | Oenothera macrocarpa Nutt. sect. Megapterium |
| | Oenothera macrosceles A.Gray sect. Oenothera |
| | Oenothera marginata Nutt. ex Hook. & Arn. sect. Pachylophus |
| | Oenothera maysillesii Munz sect. Oenothera |
| | Oenothera mckelveyae (Munz) W.L.Wagner & Hoch sect. Gaura |
| | Oenothera muelleri Munz sect. Ravenia |
| | Oenothera multicaulis Ruiz & Pav. sect. Xanthocoryne |
| | Oenothera oklahomensis (Norton) Hitchc. sect. Megapterium |
| | Oenothera orizabae W.L.Wagner sect. Leucocoryne |
| | Oenothera pallida Lindl. sect. Anogra |
| | Oenothera pennellii Munz sect. Oenothera |
| | Oenothera perennis L. sect. Kneiffia |
| | Oenothera platanorum P.H.Raven & D.R.Parn. sect. Hartmannia |
| | Oenothera pringlei (Munz) Munz sect. Calylophus |
| | Oenothera psammophila (A.Nelson & J.F.Macbr.) Wagner et al. sect. Pachylophus |
| | Oenothera rosea L‘Hér. ex Aiton sect. Hartmannia |
| | Oenothera runcinata (Engelm.) Munz sect. Anogra |
| | Oenothera serrulata Nutt. sect. Calylophus |
| | Oenothera sessilis (Pennel) Munz sect. Kneiffia |
| | Oenothera speciosa Nutt. sect. Hartmannia |
| | Oenothera texensis P.H.Raven & D.R.Parn. sect. Hartmannia |
| | Oenothera trichocalyx Nutt. sect. Anogra |
| | Oenothera tubicula A.Gray sect. Calylophus |
| | Oenothera tubifera Ser. sect. Ravenia |
| | Oenothera xylocarpa Coville |
| | Omalotheca supina (L.) DC. trib. Gnaphalieae |
| | Oönopsis engelmannii (A.Gray) Greene trib. Astereae |
| | Oönopsis foliosa (Torr. & A.Gray) Greene trib. Astereae |
| | Oönopsis monocephala A.Nelson trib. Astereae |
| | Oönopsis multicaulis Greene trib. Astereae |
| | Oönopsis wardii (A.Gray) Greene trib. Astereae |
| | Orbexilum oliganthum (Brandegee) B.L.Turner trib. Psoraleeae |
| | Oreocarya aperta Eastw. |
| | Oreocarya bakeri Greene |
| | Oreocarya barnebyi (I.M.Johnst.) Hasenstab & M.G.Simpson |
| | Oreocarya breviflora Osterh. |
| | Oreocarya caespitosa A.Nelson |
| | Oreocarya cana A.Nelson |
| | Oreocarya cinerea Greene |
| | 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 glomerata (Fraser ex Pursh) Greene |
| | Oreocarya grahamii (I.M.Johnst.) R.B.Kelley |
| | Oreocarya hoffmannii (I.M.Johnst.) Abrams |
| | Oreocarya humilis (A.Gray) Greene |
| | Oreocarya interrupta Greene |
| | Oreocarya johnstonii (L.C.Higgins) Hasenstab & M.G.Simpson |
| | Oreocarya jonesiana Payson |
| | Oreocarya leucophaea (Douglas ex Lehm.) Greene |
| | Oreocarya longiflora A.Nelson |
| | Oreocarya nitida Greene |
| | Oreocarya nubigena Greene |
| | Oreocarya osterhoutii Payson |
| | Oreocarya paradoxa A.Nelson |
| | Oreocarya propria A.Nelson & J.F.Macbr. |
| | Oreocarya rollinsii (I.M.Johnst.) W.A.Weber |
| | Oreocarya roosiorum (Munz) R.B.Kelley & al. |
| | Oreocarya salmonensis A.Nelson & J.F.Macbr. |
| | Oreocarya schoolcraftii (Tiehm) R.B.Kelley |
| | Oreocarya sericea (A.Gray) Greene |
| | Oreocarya shackletteana (L.C..Higgins) R.B.Kelley |
| | Oreocarya sobolifera (Payson) R.B.Kelley |
| | Oreocarya spiculifera Piper |
| | Oreocarya subcapitata (Dorn & Lichvar) R.B.Kelley |
| | Oreocarya suffruticosa (Torr.) Greene |
| | Oreocarya tenuis Eastw. |
| | Oreocarya thompsonii (I.M.Johnst.) Abrams |
| | Oreocarya tumulosa Payson |
| | Oreomecon keelei (A.E.Porsild) P.M.Sl. |
| | Oreomecon lapponica (Tolm.) Galasso & al. |
| | Oreomecon macounii (Greene) Galasso & al. |
| | Oreomecon nudicaulis (L.) Banfi & al. |
| | Oreomecon pygmaeum (Rydb.) P.M.Sl. |
| | Oreonana clementis (M.E.Jones) Jeps. |
| | Oreonana purpurascens Shevock & Constance |
| | Oreonana vestita (S.Watson) Jeps. |
| | Oreostemma alpigenum (Torr. & A.Gray) Greene trib. Astereae |
| | Oreostemma andersonii (A.Gray) Greene trib. Astereae |
| | Oreostemma haydenii (Porter) Greene trib. Astereae |
| | Oreostemma peirsonii (Sharsm.) G.L.Nesom trib. Astereae |
| | Orthilia secunda (L.) House |
| | Oxalis alpina (Rose) Rose ex R.Knuth |
| | Oxalis caerulea (Small) R.Knuth |
| | Oxalis decaphylla Kunth |
| | Oxalis discolor Klotzsch |
| | Oxalis drummondii A.Gray |
| | Oxalis hernandesii DC. |
| | Oxalis jacquiniana Kunth |
| | Oxalis lasiandra Zucc. |
| | Oxalis lunulata Zucc. |
| | Oxalis macrocarpa (Small) R.Knuth |
| | Oxalis magnifica (Rose) R.Knuth |
| | Oxalis metcalfei (Small) R.Knuth |
| | Oxalis oregana Nutt. |
| | Oxalis primavera (Rose) R.Knuth |
| | Oxalis suksdorfii Trel. |
| | Oxalis tetraphylla Cav. |
| | Oxalis trilliifolia Hook. |
| | Oxalis violacea L. |
| | Oxygraphis kamchatica (DC.) R.R.Stewart |
| | Oxyria digyna (L.) Hill |
| | Oxytropis arctica R.Br. sect. Orobia |
| | Oxytropis arctobia Bunge sect. Arctobia |
| | Oxytropis argophylla (Rydb.) P.M.Sl. trib. Galegeae |
| | Oxytropis articulata (Greene) P.M.Sl. trib. Galegeae |
| | Oxytropis atropurpurea (Rydb.) A.Nelson trib. Galegeae |
| | Oxytropis australis (S.L.Welsh) P.M.Sl. trib. Galegeae |
| | Oxytropis barnebyana (S.L.Welsh) P.M.Sl. sect. Orobia |
| | Oxytropis bellii (Britton ex Macoun) Palib. sect. Baicalia |
| | Oxytropis besseyi (Rydb.) Blank. trib. Galegeae |
| | Oxytropis borealis DC. trib. Galegeae |
| | Oxytropis chartacea Fasset sect. Orobia |
| | Oxytropis columbiana H.St.John sect. Orobia |
| | Oxytropis cusickii Greenm. sect. Orobia |
| | Oxytropis davisii (S.L.Welsh) Jurtzev sect. Orobia |
| | Oxytropis dispar (A.Nelson) K.Schum. sect. Orobia |
| | Oxytropis foliolosa Hook. sect. Mesogaea |
| | Oxytropis glutinosa A.E.Porsild trib. Galegeae |
| | Oxytropis hudsonica (Greene) Fernald trib. Galegeae |
| | Oxytropis johannensis (A.Heller) Fernald sect. Orobia |
| | Oxytropis jonesii Barneby trib. Galegeae |
| | Oxytropis jordalii A.E.Porsild sect. Orobia |
| | Oxytropis juniperina (S.L.Welsh) P.M.Sl. |
| | Oxytropis kobukensis S.L.Welsh trib. Galegeae |
| | Oxytropis koyukukensis A.E.Porsild sect. Orobia |
| | Oxytropis lagopus Nutt. trib. Galegeae |
| | Oxytropis lambertii Pursh trib. Galegeae |
| | Oxytropis maydelliana Trautv. sect. Orobia |
| | Oxytropis monticola A.Gray sect. Orobia |
| | Oxytropis multiceps Nutt. trib. Galegeae |
| | Oxytropis nana Nutt. trib. Galegeae |
| | Oxytropis nigrescens (Pall.) Fisch. ex DC. sect. Arctobia |
| | 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 podocarpa A.Gray trib. Galegeae |
| | Oxytropis retrorsa Fernald sect. Mesogaea |
| | Oxytropis roaldii Ostenf. sect. Orobia |
| | Oxytropis sericea Nutt. trib. Galegeae |
| | Oxytropis splendens Douglas trib. Galegeae |
| | Oxytropis terrae-novae Fernald sect. Orobia |
| | Oxytropis varians (Britton & Rydb.) Hultén sect. Orobia |
| | Oxytropis ventosa (Greene) P.M.Sl. trib. Galegeae |
| | Oxytropis viscida Nutt. trib. Galegeae |
| | Ozomelis stauropetala (Piper) Rydb. |
| | Ozomelis trifida (Graham) Rydb. |
| | |
| | Pachyphytum brachetii J.Reyes, O.Gonzáles & A.Gut. |
| | Pachyphytum bracteosum Link, Klotzsch & Otto |
| | Pachyphytum brevifolium Rose |
| | Pachyphytum caesium Kimnach & R.C.Moran |
| | Pachyphytum compactum Rose |
| | Pachyphytum contrerasii Pérez-Calix, I.Garcia & Chazáro |
| | Pachyphytum cuicatecanum (J.Reyes & al.) Kimnach |
| | Pachyphytum fittkaui Moran |
| | Pachyphytum garciae Pérez-Calix & Glass |
| | Pachyphytum glutinicaule Moran |
| | Pachyphytum hookeri (Salm-Dyck) A.Berger |
| | Pachyphytum kimnachii Moran |
| | Pachyphytum longifolium Rose |
| | Pachyphytum machucae I.Garcia, Glass & Cházaro |
| | Pachyphytum oviferum J.A.Purpus |
| | Pachyphytum rzedowskii I.Garcia, Pérez-Calix & J.Meyrán |
| | Pachyphytum saltensis Brachet, J.Reyes & R.Mondragón |
| | Pachyphytum viride E.Walther |
| | Pachyphytum werdermannii Poelln. |
| | 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 contermina (Greenm.) J.F.Bain trib. Senecioneae |
| | Packera cymbalaria (Pursh) W.A.Weber & Á.Löve |
| | Packera dimorphophylla (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| | Packera flettii (Wiegand) 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 hyperborealis (Greenm.) Á.Löve & D.Löve trib. Senecioneae |
| | Packera ionophylla (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| | Packera malmstenii (S.F.Blake ex Tidestr.) Kartesz trib. Senecioneae |
| | Packera moresbiensis (Calder & Roy L.Taylor) J.F.Bain trib. Senecioneae |
| | Packera musiniensis (S.L.Welsh) Trock trib. Senecioneae |
| | Packera ogotorukensis (Packer) Á.Löve & D.Löve trib. Senecioneae |
| | Packera pauciflora (Pursh) Á.Löve & D.Löve trib. Senecioneae |
| | Packera porteri (Greene) C.Jeffrey trib. Senecioneae |
| | Packera spellenbergii (T.M.Barkley) C.Jeffrey trib. Senecioneae |
| | Packera subnuda (DC.) Trock & T.M.Barkley trib. Senecioneae |
| | Packera thurberi (A.Gray) B.L.Turner 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 |
| | Papaver gorodkovii Tolm. & V.V.Petrovsky |
| | Papaver mcconnellii Hultén |
| | Papaver walpolei A.E.Porsild |
| | Parnassia asarifolia Vent. |
| | Parnassia caroliniana Michx. |
| | Parnassia cirrata Piper |
| | Parnassia fimbriata K.D.Koenig |
| | Parnassia glauca Raf. |
| | Parnassia grandifolia DC. |
| | Parnassia intermedia Rydb. |
| | Parnassia kotzebuei Cham. ex Spreng. |
| | Parnassia palustris L. |
| | Parnassia parviflora DC. |
| | Paronychia argyrocoma (Michx.) Nutt. |
| | Paronychia depressa (Torr. & A.Gray) Nutt. ex A.Nelson |
| | Paronychia jamesii Torr. & A.Gray |
| | Paronychia pulvinata A.Gray |
| | Paronychia sessiliflora Nutt. |
| | Paronychia wilkinsonii S.Watson |
| | Parrya arctica R.Br. |
| | Parrya nauruaq Al-Shehbaz & al. |
| | Parrya nudicaulis (L.) Regel |
| | Parrya rydbergii Botsch. |
| | Parthenium alpinum (Nutt.) Torr. & A.Gray trib. Heliantheae |
| | Parthenium ligulatum (M.E.Jones) Barneby trib. Heliantheae |
| | Paxistima canbyi A.Gray |
| | Paxistima myrsinites (Pursh) Raf. |
| | Pectiantia pentandra (Hook.) Rydb. |
| | Pectis canescens Kunth trib. Tageteae |
| | Pectis diffusa Hook. & Arn. trib. Tageteae |
| | Pectis latisquama Sch.Bip. ex Greenm. trib. Tageteae |
| | Pectis liebmannii Sch.Bip. ex Hemsl. trib. Tageteae |
| | Pectis longipes A.Gray trib. Tageteae |
| | Pectis repens Brandegee trib. Tageteae |
| | Pectis saturejoides (Mill.) Sch.Bip. trib. Tageteae |
| | Pectis stenophylla A.Gray trib. Tageteae |
| | Pedicularis arctica R.Br. |
| | Pedicularis canbyi A.Gray |
| | Pedicularis capitata Adams |
| | Pedicularis centranthera A.Gray |
| | Pedicularis chamissonis Steven |
| | Pedicularis dudleyi Elmer |
| | Pedicularis flammea L. |
| | Pedicularis hirsuta L. |
| | Pedicularis interior (Hultén) Molau & D.F.Murray |
| | Pedicularis labradorica Wirsing |
| | Pedicularis lanata Cham. & Schltdl. |
| | Pedicularis langsdorfii Fisch. ex Steven |
| | Pedicularis lapponica L. |
| | Pedicularis oederi Vahl |
| | Pedicularis ornithorhynchos Benth. |
| | Pedicularis pulchella Pennell |
| | Pedicularis racemosa Douglas ex Benth. |
| | Pedicularis scopulorum A.Gray |
| | Pedicularis semibarbata A.Gray |
| | Pediomelum californicum (S.Watson) Rydb. trib. Psoraleeae |
| | Pediomelum castoreum (S.Watson) Rydb. trib. Psoraleeae |
| | Pediomelum epipsilum (Barneby) S.L.Welsh trib. Psoraleeae |
| | Pediomelum esculentum (Pursh) Rydb. trib. Psoraleeae |
| | Pediomelum humile Rydb. trib. Psoraleeae |
| | Pediomelum hypogaeum (Nutt.) Rydb. trib. Psoraleeae |
| | Pediomelum megalanthum (Wooton & Standl.) Rydb. trib. Psoraleeae |
| | Pediomelum mephiticum (S.Watson) Rydb. trib. Psoraleeae |
| | Pediomelum pentaphyllum (L.) Rydb. trib. Psoraleeae |
| | Pediomelum retrorsum Rydb. trib. Psoraleeae |
| | Pediomelum scaposum Rydb. trib. Psoraleeae |
| | Pediomelum subacaule (Torr. & A.Gray) Rydb. trib. Psoraleeae |
| | Pediomelum subulatum (Bush) Rydb. trib. Psoraleeae |
| | Penstemon aberrans (M.E.Jones) P.M.Sl. sect. Penstemon |
| | Penstemon abietinus Pennell sect. Caespitosi |
| | Penstemon absarokensis Evert sect. Glabri |
| | Penstemon acaulis L.O.Williams sect. Cristati |
| | Penstemon acuminatus Douglas ex Lindl. sect. Coerulei |
| | Penstemon aggregatus Pennell sect. Penstemon |
| | Penstemon alamosensis Pennell & G.T.Nisbet sect. Gentianoides |
| | Penstemon albertinus Greene sect. Penstemon |
| | Penstemon albidus Nutt. sect. Cristati |
| | Penstemon albomarginatus M.E.Jones sect. Penstemon |
| | Penstemon alpinus Torr. sect. Glabri |
| | 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 arenicola A.Nelson sect. Coerulei |
| | Penstemon aridus Rydb. sect. Penstemon |
| | Penstemon arkansanus Pennell sect. Penstemon |
| | Penstemon atratus (D.D.Keck) P.M.Sl. sect. Caespitosi |
| | Penstemon attenuatus Douglas sect. Penstemon |
| | Penstemon atwoodii S.L.Welsh sect. Cristati |
| | Penstemon auriberbis Pennell sect. Cristati |
| | Penstemon azureus Benth. sect. Saccanthera |
| | Penstemon baccharifolius Hook. sect. Baccharifolii |
| | Penstemon barnebyi N.H.Holmgren sect. Cristati |
| | Penstemon barrettiae A.Gray sect. Erianthera |
| | Penstemon berryi Eastw. sect. Erianthera |
| | Penstemon bleaklyi O‘Kane & K.D.Heil sect. Penstemon |
| | Penstemon brachyanthus Pennell sect. Penstemon |
| | Penstemon bracteatus D.D.Keck sect. Coerulei |
| | Penstemon bradburyi Pursh sect. Coerulei |
| | Penstemon brandegeei (Porter) Rydb. sect. Glabri |
| | Penstemon breviculus (D.D.Keck) G.T.Nisbet & R.C.Jacks. sect. Cristati |
| | Penstemon brevifolius (A.Gray) A.Nelson sect. Penstemon |
| | Penstemon buckleyi Pennell sect. Coerulei |
| | 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 cardwellii Howell sect. Erianthera |
| | Penstemon carnosus Pennell sect. Coerulei |
| | Penstemon caryi Pennell sect. Glabri |
| | Penstemon caudatus A.Heller sect. Coerulei |
| | Penstemon cephalophorus Greene sect. Penstemon |
| | Penstemon cinicola D.D.Keck sect. Penstemon |
| | Penstemon cleburnei M.E.Jones sect. Erianthera |
| | Penstemon clevelandii A.Gray sect. Spectabiles |
| | Penstemon clutei A.Nelson sect. Spectabiles |
| | Penstemon cobaea Nutt. sect. Cristati |
| | Penstemon coloradoensis A.Nelson sect. Caespitosi |
| | Penstemon comarrhenus A.Gray sect. Glabri |
| | Penstemon compactus (D.D.Keck) Crosswh. sect. Glabri |
| | Penstemon concinnus D.D.Keck sect. Cristati |
| | Penstemon confertus Douglas sect. Penstemon |
| | Penstemon confusus M.E.Jones sect. Gentianoides |
| | Penstemon congestus (M.E.Jones) Pennell sect. Coerulei |
| | Penstemon crandallii A.Nelson sect. Caespitosi |
| | Penstemon cusickii A.Gray sect. Saccanthera |
| | Penstemon cyananthus Hook. sect. Glabri |
| | Penstemon cyaneus Pennell sect. Glabri |
| | Penstemon cyanocaulis Payson sect. Glabri |
| | Penstemon cyathophorus Rydb. sect. Coerulei |
| | Penstemon dasyphyllus A.Gray sect. Chamaeleon |
| | Penstemon davidsonii Greene sect. Erianthera |
| | Penstemon dayanus Howell sect. Erianthera |
| | Penstemon deaveri Crosswh. sect. Glabri |
| | Penstemon debilis O‘Kane & J.L.Anderson sect. Glabri |
| | Penstemon degeneri Crosswh. sect. Penstemon |
| | Penstemon desertipicti A.Nelson sect. Caespitosi |
| | Penstemon deustus Douglas sect. Penstemon |
| | Penstemon diphyllus Rydb. sect. Saccanthera |
| | Penstemon discolor D.D.Keck sect. Caespitosi |
| | Penstemon distans N.H.Holmgren sect. Cristati |
| | Penstemon dolius M.E.Jones sect. Cristati |
| | Penstemon douglasii Hook. sect. Erianthera |
| | Penstemon duchesnensis.(N.H.Holmgren) Neese sect. Cristati |
| | Penstemon elegantulus Pennell sect. Penstemon |
| | Penstemon ellipticus J.M.Coult. & Fisher sect. Erianthera |
| | Penstemon eriantherus Nutt. ex Pursh sect. Cristati |
| | Penstemon euglaucus English sect. Penstemon |
| | Penstemon exilifolius A.Nelson sect. Cristati |
| | Penstemon fendleri Torr. & A.Gray sect. Coerulei |
| | Penstemon filiformis (D.D.Keck) D.D.Keck sect. Saccanthera |
| | Penstemon flavescens Pennell sect. Penstemon |
| | Penstemon floribundus Danley sect. Saccanthera |
| | Penstemon flowersii Neese & S.L.Welsh sect. Coerulei |
| | Penstemon formosus A.Nelson sect. Penstemon |
| | Penstemon francisci-pennellii Crosswh. sect. Glabri |
| | Penstemon franklinii S.L.Welsh sect. Cristati |
| | Penstemon fremontii Torr. & A.Gray sect. Glabri |
| | Penstemon fruticiformis Coville sect. Spectabiles |
| | Penstemon fruticosus (Pursh) Greene sect. Erianthera |
| | Penstemon gairdneri Hook. sect. Penstemon |
| | Penstemon gibbensii Dorn sect. Glabri |
| | Penstemon glaber Pursh sect. Glabri |
| | Penstemon glabrescens Pennell sect. Caespitosi |
| | Penstemon glaucinus Pennell sect. Penstemon |
| | Penstemon globosus (Piper) Pennell & D.D.Keck sect. Penstemon |
| | Penstemon goodrichii N.H.Holmgren sect. Cristati |
| | Penstemon gormanii Greene sect. Cristati |
| | Penstemon gracilentus A.Gray sect. Saccanthera |
| | Penstemon gracilis Nutt. sect. Penstemon |
| | Penstemon grahamii D.D.Keck sect. Cristati |
| | Penstemon griffinii A.Nelson sect. Penstemon |
| | Penstemon grinnellii Eastw. sect. Spectabiles |
| | Penstemon guadalupensis A.Heller sect. Cristati |
| | Penstemon hallii A.Gray sect. Glabri |
| | Penstemon harbourii A.Gray sect. Penstemon |
| | Penstemon harringtonii Penland sect. Coerulei |
| | Penstemon haydenii S.Watson ex J.M.Coult. sect. Coerulei |
| | Penstemon heterander Torr. & A.Gray sect. Penstemon |
| | Penstemon heterodoxus A.Gray sect. Penstemon |
| | Penstemon heterophyllus Lindl. sect. Saccanthera |
| | Penstemon higginsii (Neese) N.H.Holmgren & N.D.Atwood sect. Saccanthera |
| | Penstemon hirsutus (L.) Willd. sect. Penstemon |
| | 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 inflatus Crosswh. sect. Penstemon |
| | Penstemon jamesii Benth. sect. Cristati |
| | Penstemon janishiae N.H.Holmgren sect. Cristati |
| | Penstemon keckii Clokey sect. Glabri |
| | Penstemon kingii S.Watson sect. Saccanthera |
| | Penstemon laetus A.Gray sect. Saccanthera |
| | Penstemon laevis Pennell sect. Glabri |
| | Penstemon laricifolius Hook. & Arn. sect. Cristati |
| | Penstemon laxiflorus Pennell sect. Penstemon |
| | Penstemon laxus A.Nelson sect. Penstemon |
| | Penstemon leiophyllus Pennell sect. Glabri |
| | Penstemon lemhiensis (D.D.Keck) D.D.Keck & Cronquist 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 luculentus R.L.Johnson & M.R.Stevens sect. Glabri |
| | Penstemon lyallii (A.Gray) A.Gray sect. Erianthera |
| | Penstemon macranthus Eastw. sect. Spectabiles |
| | Penstemon marcusii (D.D.Keck) N.H.Holmgren sect. Cristati |
| | Penstemon mensarum Pennell sect. Glabri |
| | Penstemon metcalfei Wooton & Standl. sect. Penstemon |
| | Penstemon militaris Greene sect. Penstemon |
| | Penstemon miser A.Gray sect. Cristati |
| | Penstemon modestus Greene sect. Penstemon |
| | Penstemon moffatii 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 neomexicanus Wooton & Standl. sect. Glabri |
| | Penstemon neotericus D.D.Keck sect. Saccanthera |
| | Penstemon newberryi A.Gray sect. Erianthera |
| | Penstemon nitidus Douglas ex Benth. sect. Coerulei |
| | Penstemon nudiflorus A.Gray sect. Glabri |
| | Penstemon obtusifolius Pennell sect. Penstemon |
| | Penstemon oklahomensis Pennell sect. Penstemon |
| | Penstemon oliganthus Wooton & Standl. sect. Penstemon |
| | Penstemon ophianthus Pennell sect. Cristati |
| | Penstemon oreganus (A.Gray) Howell sect. Penstemon |
| | Penstemon oreocharis Greene sect. Penstemon |
| | Penstemon osterhoutii Pennell sect. Coerulei |
| | Penstemon pachyphyllus A.Gray ex Rydb. sect. Coerulei |
| | Penstemon pahutensis N.H.Holmgren sect. Glabri |
| | Penstemon pallidus Small sect. Penstemon |
| | Penstemon palmeri A.Gray sect. Spectabiles |
| | Penstemon palustris Pennell sect. Penstemon |
| | 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 patricus N.H.Holmgren sect. Saccanthera |
| | Penstemon payettensis A.Nelson & J.F.Macbr. sect. Glabri |
| | Penstemon paysoniorum D.D.Keck sect. Glabri |
| | Penstemon peckii Pennell sect. Penstemon |
| | Penstemon penlandii W.A.Weber sect. Glabri |
| | Penstemon pennellianus D.D.Keck sect. Glabri |
| | Penstemon perbrevis (Pennell) P.M.Sl. sect. Caespitosi |
| | Penstemon perpulcher A.Nelson sect. Glabri |
| | Penstemon personatus D.D.Keck sect. Erianthera |
| | Penstemon petiolatus Brandegee sect. Petiolati |
| | Penstemon pinifolius Greene sect. Caespitosi |
| | Penstemon pinorum L.M.Shultz & J.S.Shultz sect. Cristati |
| | Penstemon platyphyllus Rydb. sect. Saccanthera |
| | Penstemon praeteritus (Cronquist) P.M.Sl. sect. Erianthera |
| | Penstemon pratensis Greene sect. Penstemon |
| | Penstemon procerus Douglas ex Graham sect. Penstemon |
| | Penstemon procumbens Greene sect. Caespitosi |
| | Penstemon pruinosus Douglas sect. Penstemon |
| | Penstemon pseudoparvus Crosswh. sect. Humiles |
| | Penstemon pseudoprocerus Rydb. sect. Penstemon |
| | Penstemon pseudoputus (Crosswh.) N.H.Holmgren sect. Glabri |
| | Penstemon pudicus Reveal & Beatley sect. Saccanthera |
| | Penstemon pumilus Nutt. sect. Cristati |
| | Penstemon purpusii Brandegee sect. Saccanthera |
| | Penstemon putus A.Nelson sect. Glabri |
| | Penstemon radicosus A.Nelson sect. Penstemon |
| | Penstemon ramaleyi A.Nelson sect. Caespitosi |
| | Penstemon redactus (Pennel & D.D.Keck) P.M.Sl. sect. Erianthera |
| | Penstemon retrorsus Payson sect. Caespitosi |
| | Penstemon rhizomatosus N.H.Holmgren sect. Saccanthera |
| | Penstemon roezlii Regel sect. Saccanthera |
| | Penstemon roseus (Cerv. ex Sweet) G.Don sect. Campanulati |
| | Penstemon rostriflorus Kellogg sect. Bridgesiani |
| | Penstemon rupicola (Piper) Howell sect. Erianthera |
| | Penstemon rydbergii A.Nelson sect. Penstemon |
| | Penstemon saxosorum Pennell sect. Glabri |
| | Penstemon scapoides D.D.Keck sect. Saccanthera |
| | Penstemon scariosus Pennell sect. Glabri |
| | Penstemon scouleri Douglas sect. Erianthera |
| | Penstemon secundiflorus Benth. sect. Coerulei |
| | Penstemon seorsus (A.Nelson) D.D.Keck sect. Penstemon |
| | Penstemon sepalulus A.Nelson sect. Saccanthera |
| | Penstemon serrulatus Menzies sect. Saccanthera |
| | Penstemon shastensis D.D.Keck sect. Penstemon |
| | Penstemon sileri (A.Gray) P.M.Sl. sect. Caespitosi |
| | Penstemon sonomensis Greene sect. Erianthera |
| | Penstemon spatulatus Pennell sect. Penstemon |
| | Penstemon speciosus Douglas sect. Glabri |
| | Penstemon strictiformis Rydb. sect. Glabri |
| | Penstemon strictus Benth. sect. Glabri |
| | Penstemon subglaber Rydb. sect. Glabri |
| | Penstemon subserratus Pennell sect. Penstemon |
| | Penstemon subulatus M.E.Jones sect. Gentianoides |
| | Penstemon sudans M.E.Jones sect. Penstemon |
| | Penstemon superbus A.Nelson sect. Gentianoides |
| | Penstemon teucrioides Greene sect. Caespitosi |
| | 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 tolmiei Hook. sect. Penstemon |
| | Penstemon tracyi D.D.Keck sect. Penstemon |
| | Penstemon triflorus A.Heller sect. Cristati |
| | Penstemon triphyllus Douglas sect. Saccanthera |
| | Penstemon uintahensis Pennell sect. Glabri |
| | Penstemon utahensis Eastw. sect. Gentianoides |
| | Penstemon variabilis Suksd. sect. Penstemon |
| | Penstemon venosus (D.D.Keck) Reveal sect. Coerulei |
| | Penstemon venustus Douglas sect. Saccanthera |
| | Penstemon versicolor Pennell sect. Coerulei |
| | Penstemon virens Pennell ex Rydb. sect. Penstemon |
| | Penstemon virgatus A.Gray sect. Glabri |
| | Penstemon wardii A.Gray sect. Glabri |
| | Penstemon washingtonensis D.D.Keck sect. Penstemon |
| | Penstemon watsonii A.Gray sect. Penstemon |
| | Penstemon whippleanus A.Gray sect. Penstemon |
| | Penstemon whitedii Piper sect. Erianthera |
| | Penstemon wilcoxii Rydb. 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 brandegeeana Rose trib. Heliantheae |
| | Perityle ciliata (L.H.Dewey) Rydb. trib. Heliantheae |
| | Perityle congesta (M.E.Jones) Shinners trib. Heliantheae |
| | Perityle cordifolia S.F.Blake trib. Heliantheae |
| | Perityle coronopifolia A.Gray trib. Heliantheae |
| | Perityle fosteri A.M.Powell trib. Heliantheae |
| | Perityle hofmeisteria Rydb. trib. Heliantheae |
| | Perityle huecoensis A.M.Powell trib. Heliantheae |
| | Perityle jaliscana A.Gray trib. Heliantheae |
| | Perityle leptoglossa Harv. & A.Gray trib. Heliantheae |
| | Perityle lineariloba Rydb. trib. Heliantheae |
| | Perityle lloydii (Rydb.) B.L.Rob. & Fernald trib. Heliantheae |
| | Perityle lobata (Rydb.) I.M.Johnst. trib. Heliantheae |
| | Perityle palmeri (S.Watson trib. Heliantheae |
| | Perityle rosei Greenm. trib. Heliantheae |
| | Perityle rotundifolia (Benth.) Brandegee trib. Heliantheae |
| | Perityle specicola S.L.Welsh & Neese trib. Heliantheae |
| | Perityle vitreomontana Warnock trib. Heliantheae |
| | Perityle warnockii A.M.Powell trib. Heliantheae |
| | Peteria glandulosa (A.Gray ex S.Watson) Rydb. |
| | Petradoria graminea Wooton & Standl. trib. Astereae |
| | Petradoria pumila (Nutt.) Greene trib. Astereae |
| | Petrophytum acuminatum Rydb. |
| | Petrophytum caespitosum (Nutt.) Rydb. |
| | Petrophytum cinerascens (Piper) Rydb. |
| | Petrophytum hendersonii (Canby ex Greene) Rydb. |
| | Phacelia argentea A.Nelson & J.F.Macbr. |
| | Phacelia ciliosa (Rydb.) Rydb. |
| | Phacelia corymbosa Jeps. |
| | Phacelia dalesiana J.T.Howell |
| | Phacelia frigida Greene |
| | Phacelia hydrophylloides Torr. ex A.Gray |
| | Phacelia lenta Piper |
| | Phacelia lyallii (A.Gray) Rydb. |
| | Phacelia perityloides Coville |
| | Phacelia secunda J.F.Gmel. |
| | Phacelia sericea (Graham) A.Gray |
| | Phalacroseris bolanderi A.Gray trib. Cichorieae |
| | Phemeranthus brachypodius (S.Watson) D.J.Ferguson |
| | Phemeranthus brevicaulis (S.Watson) Kiger |
| | Phemeranthus brevifolius (Torr.) Hershk. |
| | Phemeranthus calcaricus (S.Ware) Kiger |
| | Phemeranthus calycinus (Engelm.) Kiger |
| | Phemeranthus humilis (Greene) Kiger |
| | Phemeranthus longipes (Wooton & Standl.] Kiger |
| | Phemeranthus mengesii (W.Wolf) Kiger |
| | Phemeranthus mexicanus (Hemsl.) Ocampo |
| | Phemeranthus multiflorus (Rose & Standl.) Ocampo |
| | Phemeranthus napiformis (DC.) Ocampo |
| | Phemeranthus oligospermus (Brandegee) Ocampo |
| | Phemeranthus palmeri (Rose & Standl.) D.J.Ferguson |
| | Phemeranthus parviflorus (Nutt.) Kiger |
| | Phemeranthus parvulus (Rose & Standl.) D.J.Ferguson & T.M.Price |
| | Phemeranthus rugospermus (Holz.) Kiger |
| | Phemeranthus sediformis (Poelln.) Kiger |
| | Phemeranthus spinescens (Torr.) Hershk. |
| | Phemeranthus teretifolius (Pursh) Raf. |
| | Phemeranthus thompsonii (N.D.Atwood & S.L.Welsh) Kiger |
| | Phemeranthus validulus (Greene) Kiger |
| | Phlox abdita A.Nelson Microphlox, Albomarginata |
| | Phlox aculeata A.Nelson Microphlox, Aculeatae |
| | Phlox adsurgens Torr. ex A.Gray Alphaphlox, Stoloniferae |
| | Phlox alaskensis Jordal Microphlox, Sibiricae |
| | Phlox albomarginata M.E.Jones Microphlox, Albomarginata |
| | Phlox alyssifolia Greene Microphlox, Albomarginata |
| | Phlox amabilis Brand Protophlox, Tenuifoliae |
| | Phlox amoena Sims Protophlox, Divaricatae |
| | Phlox andicola (Britton) E.E.Nelson Microphlox, Multiflorae |
| | Phlox austromontana Coville Microphlox, Canescentes |
| | Phlox bifida L.C.Beck Alphaphlox, Subulatae |
| | Phlox borealis Wherry Microphlox, Sibiricae |
| | Phlox buckleyi Wherry Alphaphlox, Cluteanae |
| | Phlox caespitosa Nutt. Microphlox, Caespitosae |
| | Phlox canescens Torr. & A.Gray Microphlox, Canescentes |
| | Phlox carolina L. Alphaphlox, Ovatae |
| | Phlox caryophylla Wherry Alphaphlox, Longifoliae |
| | Phlox cluteana A.Nelson Alphaphlox, Cluteanae |
| | Phlox collina Rydb. Microphlox, Albomarginata |
| | Phlox colubrina Wherry & Constance Protophlox, Speciosae |
| | Phlox condensata (A.Gray) E.E.Nelson Microphlox, Caespitosae |
| | Phlox costata Rydb. Microphlox, Multiflorae |
| | Phlox covillei E.E.Nelson Microphlox, Caespitosae |
| | Phlox densa Brand Microphlox, Canescentes |
| | Phlox detonsa Small Protophlox, Divaricatae |
| | Phlox diapensioides Rydb. Microphlox, Albomarginata |
| | Phlox diffusa Benth. Microphlox, Canescentes |
| | Phlox dispersa Sharsm. |
| | Phlox divaricata L. Protophlox, Divaricatae |
| | Phlox dolichantha A.Gray Alphaphlox, Longifoliae |
| | Phlox douglasii Hook. |
| | Phlox floridana Benth. Protophlox, Divaricatae |
| | Phlox glabrata (E.E.Nelson) Brand Microphlox, Canescentes |
| | Phlox gladiformis (M.E.Jones) E.E.Nelson Microphlox, Aculeatae |
| | Phlox griseola Wherry Microphlox, Caespitosae |
| | Phlox hendersonii (E.E.Nelson) Cronquist Microphlox, Douglasianae |
| | Phlox hirsuta E.E.Nelson |
| | Phlox hoodii Richardson Microphlox, Canescentes |
| | Phlox jonesii Wherry Microphlox, Canescentes |
| | Phlox kelseyi Britton Microphlox, Sibiricae |
| | Phlox lanceolata E.E.Nelson Protophlox, Speciosae |
| | Phlox lighthipei Small Protophlox, Divaricatae |
| | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| | Phlox longipilosa Waterf. Protophlox, Divaricatae |
| | Phlox mesoleuca Greene Protophlox, Nanae |
| | Phlox multiflora A.Nelson Microphlox, Multiflorae |
| | Phlox muscoides Nutt. Microphlox, Canescentes |
| | Phlox nana Nutt. Protophlox, Nanae |
| | Phlox nivalis G.Lodd. ex Sweet Protophlox, Speciosae |
| | Phlox oklahomensis Wherry Protophlox, Speciosae |
| | Phlox opalensis Dorn |
| | Phlox ovata L. Alphaphlox, Ovatae |
| | Phlox pilosa L. Protophlox, Divaricatae |
| | Phlox pulcherrima (Lundell) Lundell Protophlox, Divaricatae |
| | Phlox pulchra (Wherry) Wherry |
| | Phlox pulvinata (Wherry) Cronquist Microphlox, Caespitosae |
| | Phlox pungens Dorn |
| | Phlox richardsonii Hook. Microphlox, Sibiricae |
| | Phlox rigida Benth. Microphlox, Douglasianae |
| | Phlox scleranthifolia Rydb. Microphlox, Canescentes |
| | Phlox solivaga Mayfiels & Darrach |
| | Phlox speciosa Pursh Protophlox, Speciosae |
| | Phlox stellaria A.Gray |
| | Phlox stolonifera Sims Alphaphlox, Stoloniferae |
| | Phlox subulata L. Alphaphlox, Subulatae |
| | Phlox suksdorfii (Brand) H.St.John Protophlox, Speciosae |
| | Phlox tenuifolia E.E.Nelson Protophlox, Tenuifoliae |
| | Phlox texensis (Lundell) Lundell Protophlox, Speciosae |
| | Phlox tumulosa Wherry Microphlox, Caespitosae |
| | Phlox vermejoensis B.S.Leger |
| | Phlox villosissima Small Protophlox, Divaricatae |
| | 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 aleutica (Spreng.) A.Heller |
| | Phyllodoce breweri (A.Gray) A.Heller |
| | Phyllodoce caerulea (L.) Bab. |
| | Phyllodoce empetriformis (Sm.) D.Don |
| | Phyllodoce glanduliflora (Hook.) Coville |
| | Physaria acutifolia Rydb. |
| | Physaria alpestris Suksd. |
| | Physaria alpina Rollins |
| | Physaria arctica (Wormsk. ex Hornem.) O‘Kane & Al-Shehbaz |
| | Physaria arenosa (Richardson) O´Kane & Al-Shehbaz |
| | Physaria argyraea (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria arizonica (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria aurea (Wooton) O´Kane & Al-Shehbaz |
| | Physaria bellii G.A.Mulligan |
| | Physaria bernardina (Munz) P.M.Sl. |
| | Physaria brassicoides Rydb. |
| | Physaria calcicola (Rollins) O´Kane & Al-Shehbaz |
| | Physaria calderi (G.A.Mulligan & A.E.Porsild) O´Kane & al. |
| | Physaria carinata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria chambersii Rollins |
| | Physaria cinerea (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria cobrensis (Rollins & E.A.Shaw) N.H.Holmgren |
| | Physaria condensata Rollins |
| | Physaria confluens (Maguire & A.H.Holmgren) P.M.Sl. |
| | Physaria congesta (Rollins) O´Kane & Al-Shehbaz |
| | Physaria cordiformis Rollins |
| | Physaria curvipes (A.Nelson) Grady & O´Kane |
| | Physaria didymocarpa (Hook.) A.Gray |
| | Physaria diversifolia (Greene) P.M.Sl. |
| | Physaria dornii Lichvar |
| | Physaria douglasii (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria eburniflora Rollins |
| | Physaria engelmannii (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria eriocarpa Grady & O´Kane |
| | Physaria fendleri (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria floribunda Rydb. |
| | Physaria fremontii (Rollins & E.A.Shaw) O´Kane & Al-Shehbaz |
| | Physaria garrettii (Payson) O´Kane & Al-Shehbaz |
| | Physaria geyeri (Hook.) A.Gray |
| | 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 humilis (Rollins) O´Kane & Al-Shehbaz |
| | Physaria integrifolia (Rollins) Lichvar |
| | Physaria intermedia (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria kaibabensis (Rollins) N.H.Holmgren |
| | Physaria kingii (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria klausii (Rollins) O´Kane & Al-Shehbaz |
| | Physaria lanata (A.Nelson) Rydb. |
| | Physaria lata (Wooton & Standl.) O´Kane & Al-Shehbaz |
| | Physaria lepidota Rollins |
| | Physaria lesicae (Rollins) O´Kane & Al-Shehbaz |
| | Physaria ludoviciana (Nutt.) O´Kane & Al-Shehbaz |
| | Physaria lyrata (C.L.Hitchc.) P.M.Sl. |
| | Physaria macrocarpa (A.Nelson) O´Kane & Al-Shehbaz |
| | Physaria mcvaughiana (Rollins) 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 obcordata Rollins |
| | Physaria obdeltata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria occidentalis (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria oregona S.Watson |
| | Physaria osterhoutii Payson |
| | Physaria ovalifolia (Rydb. ex Britton) O´Kane & Al-Shehbaz |
| | Physaria pachyphylla O´Kane & Grady |
| | Physaria parviflora (Rollins) O´Kane & Al-Shehbaz |
| | Physaria parvula (Greene) O´Kane & Al-Shehbaz |
| | Physaria paysonii (Rollins) 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 pruinosa (Greene) O´Kane & Al-Shehbaz |
| | Physaria pulchella (Rollins) O´Kane & Al-Shehbaz |
| | Physaria pulvinata O´Kane & Reveal |
| | Physaria purpurea (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria pycnantha Grady & O´Kane |
| | Physaria rectipes (Wooton & Standl.) O´Kane & Al-Shehbaz |
| | Physaria reediana O´Kane & Al-Shehbaz |
| | Physaria rollinsii G.A.Mulligan |
| | Physaria rubicundula (Rollins) S.L.Welsh |
| | Physaria saximontana Rollins |
| | Physaria scrotiformis O´Kane |
| | Physaria spatulata (Rydb.) Grady & O´Kane |
| | Physaria subumbellata (Rollins) O´Kane & Al-Shehbaz |
| | Physaria tumulosa (Barneby) O‘Kane & Al-Shehbaz |
| | Physaria tuplashensis (Rollins & al.) P.M.Sl. |
| | Physaria utahensis (Rydb.) O´Kane & Al-Shehbaz |
| | Physaria valida (Greene) O´Kane & Al-Shehbaz |
| | Physaria vicina (J.L.Anderson & al.) O´Kane & Al-Shehbaz |
| | Physaria vitulifera Rydb. |
| | Physaria wardii (S.Watson) O´Kane & Al-Shehbaz |
| | Picradeniopsis absinthifolia (Benth.) B.G.Baldwin trib. Helenieae |
| | Picradeniopsis oppositifolia (Nutt.) Rydb. trib. Helenieae |
| | Picradeniopsis pringlei (Greenm.) B.G.Baldwin trib. Helenieae |
| | Picradeniopsis woodhousei (A.Gray) Rydb. trib. Helenieae |
| | Picradeniopsis xylopoda (Greenm.) B.G.Baldwin trib. Helenieae |
| | Pinaropappus mojadanus B.L.Turner trib. Cichorieae |
| | Pinaropappus parvus S.F.Blake trib. Cichorieae |
| | Pinaropappus pattersonii B.L.Turner trib. Cichorieae |
| | Pinaropappus pooleanus B.L.Turner trib. Cichorieae |
| | Pinaropappus powellii B.L.Turner trib. Cichorieae |
| | Pinaropappus roseus (Less.) Less. trib. Cichorieae |
| | Pinaropappus spathulatus Brandegee trib. Cichorieae |
| | Pinguicula macroceras Pall. ex Link |
| | Pinguicula villosa L. |
| | Pinguicula vulgaris L. |
| | Pityopsis ruthii (Small) Small trib. Astereae |
| | Plagiobothrys mollis (A.Gray) I.M.Johnst. |
| | Plantago caulescens S.Watson trib. Plantaginae |
| | Plantago tubulosa Decne. trib. Plantaginae |
| | Plateilema palmeri Cockerell trib. Helenieae |
| | Platyschkuhria integrifolia (A.Gray) Rydb. trib. Helenieae |
| | Pleiacanthus spinosus (Nutt.) Rydb. trib. Cichorieae |
| | Podistera eastwoodiae (J.M.Coult. & Rose) Mathias & Const. |
| | Podistera macounii (J.M.Coult. & Rose) Mathias & Constance |
| | Podistera nevadensis (A.Gray) S.Watson |
| | Polemonium boreale Adams |
| | Polemonium brandegeei (A.Gray) Greene |
| | Polemonium californicum Eastw. |
| | Polemonium carneum A.Gray |
| | Polemonium chartaceum H.Mason |
| | Polemonium delicatum Rydb. |
| | Polemonium eddyense Stubbs |
| | Polemonium elegans Greene |
| | Polemonium eximium Greene |
| | Polemonium glabrum J.F.Davidson |
| | Polemonium grandiflorum Benth. |
| | Polemonium lindleyi Wherry |
| | Polemonium majus Tolm. |
| | Polemonium nevadense Wherry |
| | Polemonium pauciflorum S.Watson |
| | Polemonium pectinatum Greene |
| | Polemonium pulcherrimum Hook. |
| | Polemonium reptans L. |
| | Polemonium shastense Eastw. |
| | Polemonium villosum Rudolph ex Georgi |
| | Polemonium viscosum Nutt. |
| | Polyctenium fremontii (S.Watson) Greene |
| | Polygala amphothrix S.F.Blake |
| | Polygala annectens S.F.Blake |
| | Polygala brachyanthema S.F.Blake |
| | Polygala brachytropis S.F.Blake |
| | Polygala brandegeeana Chodat |
| | Polygala compacta Rose |
| | Polygala leptosperma Chodat |
| | Polygala lozanii Rose |
| | Polygala magdalenae Brandegee |
| | Polygala microtricha S.F.Blake |
| | Polygala neurocarpa Brandegee |
| | Polygala oaxacana Chodat |
| | Polygala oophylla S.F.Blake |
| | Polygala parrasana Brandegee |
| | Polygala phoenicistes S.F.Blake |
| | Polygala russeliana S.F.Blake |
| | Polygala xanti A.Gray |
| | Polygaloides paucifolia (Willd.) J.R.Abbott |
| | Polygonum paronychia Cham. & Schltdl. |
| | Polygonum shastense W.H.Brewer ex A.Gray |
| | Porophyllum greggii A.Gray trib. Tageteae |
| | Porophyllum maritimum Brandegee trib. Tageteae |
| | Porophyllum pygmaeum D.J.Keil & Morefield trib. Tageteae |
| | Potentilla albiflora L.O.Williams |
| | Potentilla anachoretica Soják |
| | Potentilla angelliaea N.H.Holmgren |
| | Potentilla arenosa (Turcz.) Juz. |
| | Potentilla argyrocoma (Rydb.) Jeps. |
| | Potentilla arizonica Greene |
| | Potentilla atrorubens Rydb. |
| | Potentilla baileyi (S.Watson) Greene |
| | Potentilla basaltica Tiehm & Ertter |
| | Potentilla beneolens (A.Nelson & J.F.Macbr.) P.M.Sl. |
| | Potentilla bicrenata Rydb. |
| | Potentilla biflora D.F.K.Schltdl. |
| | Potentilla bolanderi (A.Gray) Greene |
| | Potentilla brevifolia Nutt. |
| | Potentilla breweri S.Watson |
| | Potentilla brownii (Rydb.) P.M.Sl. |
| | Potentilla callida H.M.Hall |
| | Potentilla campestris (M.E.Jones) Jeps. |
| | Potentilla candicans Humb. & Bonpl. ex Nestl. |
| | Potentilla capitata (Lindl.) Greene |
| | Potentilla caruifolia (Rydb.) Crum |
| | Potentilla chamissonis Hultén |
| | Potentilla concinna Richardson |
| | Potentilla congesta (Douglas ex Hook.) Baill. |
| | Potentilla cottamii N.H.Holmgren |
| | Potentilla crantzii (Crantz) Beck ex Fritsch |
| | Potentilla crebridens Juz. |
| | Potentilla crinita A.Gray |
| | Potentilla cristae Ferlatte & Strother |
| | Potentilla cryptocaulis Clokey |
| | Potentilla daucifolia Greene |
| | Potentilla decurrens (S.Watson) Rydb. |
| | Potentilla demotica Ertter |
| | Potentilla diversifolia Lehm. |
| | Potentilla douglasii Greene |
| | Potentilla drummondii Lehm. |
| | Potentilla durangensis Rydb. |
| | Potentilla effusa Douglas ex Lehm. |
| | Potentilla elegans Cham. & Schltdl. |
| | Potentilla eremica Coville |
| | Potentilla filicoides (Crum) P.M.Sl. |
| | Potentilla flabellifolia Hook. ex Torr. & A.Gray |
| | Potentilla flavescens (Rydb.) P.M.Sl. |
| | Potentilla floraeana P.M.Sl. |
| | Potentilla fragiformis Willd. ex D.F.K.Schltdl. |
| | Potentilla furcata A.E.Porsild |
| | Potentilla glaucophylla Lehm. |
| | Potentilla goldmanii J.H.Painter |
| | Potentilla gordonii (Hook.) Greene |
| | Potentilla grayi S.Watson |
| | Potentilla haematochrus Lehm. |
| | Potentilla hendersonii (Howell) J.T.Howell |
| | Potentilla heterosepala Fritsch |
| | Potentilla hickmanii Eastw. |
| | Potentilla hispidula (Rydb.) Jeps. |
| | Potentilla holmgrenii D.F.Murray & Elven |
| | Potentilla hookeriana Lehm. |
| | Potentilla horrida Rydb. |
| | Potentilla howellii Greene |
| | Potentilla hyparctica Malte |
| | Potentilla indicta (Jeps.) P.M.Sl. |
| | Potentilla jaegeri (Munz & I.M.Johnst.) L.C.Wheeler |
| | Potentilla janaeana P.M.Sl. |
| | Potentilla jepsonii Ertter |
| | Potentilla johnstonii Soják |
| | Potentilla kelloggii (Greene) Greene |
| | Potentilla kingii (S.Watson) Greene |
| | Potentilla leonina Standl. |
| | Potentilla lindleyi Greene |
| | Potentilla longibracteata (Ertter) Mosyakin & Shiyan |
| | Potentilla luteosericea Rydb. |
| | Potentilla lycopodioides (A.Gray) Baill. ex J.T.Howell |
| | Potentilla macherieana P.M.Sl. |
| | Potentilla macounii Rydb. |
| | Potentilla marinensis (Elmer) J.T.Howell |
| | Potentilla megalopetala (Rydb.) P.M.Sl. |
| | Potentilla micheneri Greene |
| | Potentilla millefolia Rydb. |
| | Potentilla moranii (Ertter & Reveal) P.M.Sl. |
| | 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 ostleri (Ertter) P.M.Sl. |
| | Potentilla ottonis P.M.Sl. |
| | Potentilla ovina Macoun |
| | Potentilla paniculata (T.W. & J.P.Nelson) Mosyakin & Shiyan |
| | Potentilla parryi (Greene) Greene |
| | Potentilla patellifera J.T.Howell |
| | Potentilla pedersenii (Rydb.) Rydb. |
| | Potentilla pensylvanica L. |
| | Potentilla perdissecta Rydb. |
| | Potentilla pityocharis (Ertter) Mosyakin & Shiyan |
| | Potentilla plattensis Nutt. |
| | Potentilla proxima Rydb. |
| | Potentilla pseudocapitata (Rydb. ex Howell) P.M.Sl. |
| | Potentilla pseudosericea Rydb. |
| | Potentilla puberula Greene |
| | Potentilla pulchella R.Br. |
| | Potentilla purpurascens (S.Watson) Greene |
| | Potentilla ramulosa Rydb. |
| | Potentilla ranunculoides Humb. & Bonpl. ex Nestl. |
| | Potentilla rhyolitica Ertter |
| | Potentilla rhypara (Ertter & Reveal) Mosyakin & Shiyan |
| | Potentilla richardii Lehm. |
| | Potentilla rimicola (Munz & I.M.Johnst.) Ertter |
| | Potentilla robbinsiana (Lehm.) Oakes ex Torr. & A.Gray |
| | Potentilla rubella T.J.Sorensen |
| | Potentilla rubra Willd. ex D.F.K.Schltdl. |
| | Potentilla rubricaulis Lehm. |
| | Potentilla rupincola Osterh. |
| | Potentilla sabulosa M.E.Jones |
| | Potentilla santolinoides (A.Gray) Greene |
| | Potentilla saxosa Lemmon ex Greene |
| | Potentilla scandularis (Rydb.) P.M.Sl. |
| | Potentilla sericata (S.Watson) Greene |
| | Potentilla sericoleuca (Rydb.) J.T.Howell |
| | Potentilla shellyi (Ertter) P.M.Sl. |
| | Potentilla shockleyi (S.Watson) Jeps. |
| | Potentilla sierrae-blancae Wooton & Rydb. ex Rydb. |
| | Potentilla staminea Rydb. |
| | Potentilla stipularis L. |
| | Potentilla subjuga Rydb. |
| | Potentilla subvahliana Jurtzev |
| | Potentilla subviscosa Greene |
| | Potentilla thurberi A.Gray ex Lehm. |
| | Potentilla tilingii (Regel) Greene |
| | Potentilla tularensis J.T.Howell |
| | Potentilla tweedyi (Rydb.) J..T.Howell |
| | Potentilla unguiculata (A.Gray) Hook.f. |
| | Potentilla uniflora Ledeb. |
| | Potentilla ursinorum (Jeps.) P.M.Sl. |
| | Potentilla utahensis (S.Watson) Greene |
| | Potentilla vahliana Lehm. |
| | Potentilla villosa Pall. ex Pursh |
| | Potentilla villosula Jurtzev |
| | Potentilla vreelandii Rydb. |
| | Potentilla vulcanicola Juz. |
| | Potentilla wasatchensis (N.H.Holm. ex Errt. & Reveal) P.M.Sl. |
| | Potentilla webberi (A.Gray) Greene |
| | Potentilla wheeleri S.Watson |
| | Potentilla wilderae (Parish) Munz & I.M.Johnst. |
| | Primula alcalina Cholewa & Douglass M.Hend. sect. Farinosae |
| | Primula angustifolia Torr. sect. Parryi |
| | Primula anvilensis S.Kelso sect. Farinosae |
| | Primula austrofrigida (K.L.Chamb.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula borealis Duby sect. Farinosae |
| | Primula capillaris N.H.Holmgren & A.H.Holmgren sect. Parryi |
| | Primula clevelandii (Greene) A.R.Mast & Reveal |
| | Primula conjugens (Greene) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula cuneifolia Ledeb. sect. Cuneifolia |
| | Primula cusickiana (A.Gray) A.Gray sect. Parryi |
| | Primula cusickii (Greene) P.M.Sl. sect. Dodecatheon |
| | Primula distola (Reveal) P.M.Sl. |
| | Primula domensis Kass & S.L.Welsh sect. Parryi |
| | Primula egaliksensis Wormsk. sect. Farinosae |
| | Primula eximia Greene sect. Nivales |
| | Primula fassettii A.R.Mast & Reveal sect. Dodecatheon |
| | Primula fragrans A.R.Mast & Reveal sect. Dodecatheon |
| | Primula frenchii (Vasey) A.S.Mast & Reveal sect. Dodecatheon |
| | Primula frigida (Cham. & Schltdl.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula hendersonii (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula incana M.E.Jones sect. Farinosae |
| | Primula insularis (H.J.Thomps.) P.M.Sl. |
| | Primula jeffreyi (Van Houtte) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula latiloba (A.Gray) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula laurentiana Fernald sect. Farinosae |
| | Primula maguirei L.O.Williams sect. Parryi |
| | Primula meadia (L.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula mistassinica Michx. sect. Farinosae |
| | Primula nevadensis N.H.Holmgren sect. Parryi |
| | Primula nutans Georgi sect. Farinosae |
| | Primula parryi A.Gray sect. Parryi |
| | Primula pauciflora (Durand) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula poetica (L.F.Hend.) R.A.Mast & Reveal sect. Dodecatheon |
| | Primula rusbyi Greene sect. Parryi |
| | Primula saxifragifolia Lehm. sect. Cuneifolia |
| | Primula shoshonensis (A.Nelson) P.M.Sl. sect. Dodecatheon |
| | Primula specuicola Rydb. sect. Farinosae |
| | Primula standleyana A.R.Mast & Reveal sect. Dodecatheon |
| | Primula stricta Hornem. sect. Farinosae |
| | Primula subalpina (Eastw.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula suffrutescens A.Gray sect. Cuneifolia |
| | Primula superba (Pennell & Stair) P.M.Sl. sect. Dodecatheon |
| | Primula tetrandra (Suksd.) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula tschuktschorum Kjellm. sect. Nivales |
| | Primula utahensis (N.H.Holmgren) A.R.Mast & Reveal sect. Dodecatheon |
| | Primula viscida (Piper) P.M.Sl. sect. Dodecatheon |
| | Primula zionensis (Eastw.) P.M.Sl. sect. Dodecatheon |
| | Psathyrotes ramosissima A.Gray |
| | Psathyrotopsis purpusii Rydb. |
| | Pseudocherleria macrocarpa (Pursh) Dillenb. & Kadereit |
| | Psilostrophe bakeri Greene trib. Helenieae |
| | Psilostrophe sparsiflora (A.Gray) A.Nelson trib. Helenieae |
| | Psilostrophe tagetina (Nutt.) Greene trib. Helenieae |
| | Pulsatilla multiceps Greene |
| | Pulsatilla nuttalliana (DC.) Bercht. & J.Presl |
| | Pulsatilla occidentalis (S.Watson) Freyn |
| | Pyrola americana G.Don |
| | Pyrola asarifolia Michx. |
| | Pyrola bracteata Hook. |
| | Pyrola chlorantha Sw. |
| | Pyrola crypta Jolles |
| | Pyrola dentata Sm. |
| | Pyrola elliptica Nutt. |
| | Pyrola grandiflora Radius |
| | Pyrola minor L. |
| | Pyrola picta Sm. |
| | Pyrrocoma apargioides Greene trib. Astereae |
| | Pyrrocoma carthamoides Hook. trib. Astereae |
| | Pyrrocoma clementis Rydb. trib. Astereae |
| | Pyrrocoma gossypina Greene trib. Astereae |
| | Pyrrocoma hirta (A.Gray) Greene trib. Astereae |
| | Pyrrocoma howellii (A.Gray) Greene trib. Astereae |
| | Pyrrocoma integrifolia (Porter ex A.Gray) Greene trib. Astereae |
| | Pyrrocoma subsquarrosa Greene trib. Astereae |
| | Pyrrocoma uniflora (Hook.) Greene trib. Astereae |
| | Pyrrocoma villosa Rydb. trib. Astereae |
| | Pyxidanthera barbulata Michx. |
| | Pyxidanthera brevifolia Wells |
| | |
| | Raillardella argentea A.Gray trib. Madieae |
| | Raillardella scaposa A.Gray trib. Madieae |
| | Ranunculus adoneus A.Gray |
| | Ranunculus allenii B.L.Rob. |
| | Ranunculus andersonii A.Gray |
| | Ranunculus californicus Benth. |
| | Ranunculus camissonis Schltdl. |
| | Ranunculus digitatus Hook. |
| | Ranunculus ellipticus Greene |
| | Ranunculus eschscholtzii Schltdl. |
| | Ranunculus eximius Greene |
| | Ranunculus fascicularis Muhl. ex Bigelow |
| | Ranunculus fasciculatus Sessé & Moc. |
| | Ranunculus glaberrimus Hook. |
| | Ranunculus glacialis L. |
| | Ranunculus gormanii Greene |
| | Ranunculus hyperboreus Rottb. |
| | Ranunculus hystriculus A.Gray |
| | Ranunculus inamoenus Greene |
| | Ranunculus lapponicus L. |
| | Ranunculus macauleyi A.Gray |
| | Ranunculus nivalis L. |
| | Ranunculus oxynotus A.Gray |
| | Ranunculus pacificus (Hultén) L.D.Benson |
| | Ranunculus pallasii Schltdl. |
| | Ranunculus peruvianus Pers. |
| | Ranunculus populago Greene |
| | Ranunculus pygmaeus Wahlenb. |
| | Ranunculus rhomboideus Goldie |
| | Ranunculus sabinei R.Br. |
| | Ranunculus spitsbergensis (Nath.) Hadač |
| | Ranunculus subaffinis (A.Gray) Rydb. |
| | Ranunculus suksdorfii A.Gray |
| | Ranunculus sulphureus Sol. |
| | Ranunculus trisectus Eastw. |
| | Ranunculus triternatus A.Gray |
| | Ranunculus turneri Greene |
| | Rhinotropis acanthoclada (A.Gray) J.R.Abbott |
| | Rhinotropis californica (Nutt.) J.R.Abbott |
| | Rhinotropis cornuta (Kellogg) J.R.Abbott |
| | Rhinotropis desertorum (Brandegee) J.R.Abbott |
| | Rhinotropis eucosma (S.F.Blake) P.M.Sl. |
| | Rhinotropis goliadensis (T.Wendt) P.M.Sl. |
| | Rhinotropis heterorhyncha (Barneby) J.R.Abbott |
| | Rhinotropis intermontana (T.Wendt) J.R.Abbott |
| | Rhinotropis lindheimeri (A.Gray) J.R.Abbott |
| | Rhinotropis lithophila (S.F.Blake) P.M.Sl. |
| | Rhinotropis maravillasensis (Correll) J.R.Abbott |
| | Rhinotropis minutifolia (Rose) J.R.Abbott |
| | Rhinotropis nitida (Brandegee) J..R.Abbott |
| | Rhinotropis parryi (A.W.Benn.) J.R.Abbott |
| | Rhinotropis parvifolia (Wheelock) P.M.Sl. |
| | Rhinotropis purpusii (Brandegee) J.R.Abbott |
| | Rhinotropis rimulicola (Steyerm.) J.R.Abbott |
| | Rhinotropis rusbyi (Greene) J.R.Abbott |
| | Rhinotropis subspinosa (S.Watson) J.R.Abbott |
| | Rhinotropis tamaulipana (T.Wendt) P.M.Sl. |
| | Rhodiola integrifolia Raf. |
| | Rhodiola leedyi (Rosend. & J.W.Moore) P.M.Sl. |
| | Rhodiola neomexicana Britton |
| | Rhodiola rhodantha (A.Gray) H.Jacobsen |
| | Rhodiola rosea L. |
| | Rhododendron camtschaticum Pall. |
| | Rhododendron canadense (L.) Torr. |
| | Rhododendron glandulosum (Standl. ex Small) Millais |
| | Rhododendron lapponicum (L.) Wahlenb. |
| | Rhododendron tomentosum Harmaja |
| | Rhysopterus plurijugus J.M.Coult. & Rose |
| | Ribes curvatum Small |
| | Rockhausenia nubigena (Kunth) D.J.N.Hind trib. Senecioneae |
| | Romanzoffia californica Greene |
| | Romanzoffia sitchensis Bong. |
| | Romanzoffia tracyi Jeps. |
| | Romanzoffia unalaschcensis Cham. |
| | Rorippa subumbellata Rollins |
| | Rubus acaulis Michx. |
| | Rubus arcticus L. |
| | Rubus chamaemorus L. |
| | Rubus nivalis Douglas ex Hook. |
| | Rubus pedatus Sm. |
| | Rubus repens (L.) Kuntze |
| | Rubus saxatilis L. |
| | Rubus stellatus Sm. |
| | Rumex graminifolius Georgi ex Lamb. |
| | Rumex venosus Pursh |
| | |
| | Sabulina austromontana (S.J.Wolf & Packer) Dillenb. & Kad. |
| | Sabulina basaltica B.S.Legler |
| | Sabulina dawsonensis (Britton) Rydb. |
| | Sabulina decumbens (T.W. & J.P.Nelson) Dillenb. & Kadereit |
| | Sabulina elegans (Cham. & Schltdl.) Dillenb. & Kadereit |
| | Sabulina fragilis (Maguire & A.H.Holmgren) P.M.Sl. |
| | Sabulina gracilior P.M.Sl. |
| | Sabulina gregaria (A.Heller) P.M.Sl. |
| | Sabulina macrantha (Rydb.) Dillenb. & Kadereit |
| | Sabulina nuttallii (Pax) Dillenb. & Kadereit |
| | Sabulina rosei (Maguire & Barneby) Dillenb. & Kadereit |
| | Sabulina rossii (R.Br. ex Richardson ) Dillenb. & Kadereit |
| | Sabulina rubella (Wahlenb.) Dillenb. & Kadereit |
| | Sabulina sororia B..S.Legler |
| | Sabulina stolonifera (T.W. & J.P.Nelson) Dillenb. & Kad. |
| | Sabulina stricta (Sw.) Rchb. |
| | Sagina caespitosa (J.Vahl) Lange |
| | Sagina nodosa (L.) Fenzl |
| | Salix arctica Pall. |
| | Salix arctolitoralis Hultén |
| | Salix arctophila Cockerell ex A.Heller |
| | Salix arizonica Dorn |
| | Salix atra Rydb. |
| | Salix boothii Dorn |
| | Salix brachycarpa Nutt. |
| | Salix cascadensis Cockerell |
| | Salix chamissonis Andersson |
| | Salix chlorolepis Fernald |
| | Salix cordifolia Pursh |
| | Salix cyclophylla Rydb. |
| | Salix dodgeana Rydb. |
| | Salix fuscescens Andersson |
| | Salix glacialis Andersson |
| | Salix hastata L. |
| | Salix herbacea L. |
| | Salix jejuna Fernald |
| | Salix lanata L. |
| | Salix nivalis Hook. |
| | Salix nummularia Andersson |
| | Salix ovalifolia Trautv. |
| | Salix petrophila Rydb. |
| | Salix phlebophylla Andersson |
| | Salix polaris Wahlenb. |
| | Salix pulchra Cham. |
| | Salix reticulata L. |
| | Salix richardsonii Hook. |
| | Salix rotundifolia Trautv. |
| | Salix seemenii Rydb. |
| | Salix sphenophylla A.K.Skvortsov |
| | Salix stipulifera Flod. ex Häyrén |
| | Salix stolonifera Coville |
| | Salix uva-ursi Pursh |
| | Salix vestita Pursh |
| | Salvia dorrii (Kellogg) Abrams |
| | Salvia engelmannii A.Gray |
| | Salvia lyrata L. |
| | Salvia sonomensis Greene |
| | Salvia summa A.Nelson |
| | Salvia texana (Scheele) Torr. |
| | Samolus cinerascens (B.L.Rob.) Pax & Knuth |
| | Sandbergia perplexa (L.F.Hend.) Al-Shehbaz |
| | Sanguinaria canadensis L. |
| | Sanicula arctopoides Hook. & Arn. |
| | Sanicula laciniata Hook. & Arn. |
| | Sanicula saxatilis Greene |
| | Sartwellia flaveriae A.Gray trib. Helenieae |
| | Saussurea angustifolia (L.) DC. trib. Cardueae |
| | Saussurea nuda Ledeb. trib. Cardueae |
| | Saussurea viscida Hultén trib. Cardueae |
| | Saussurea weberi Hultén trib. Cardueae |
| | Saussurea yukonensis (A.E.Porsild) P.M.Sl. trib. Cardueae |
| | Saxifraga aizoides L. sect. Porphyrion |
| | Saxifraga aleutica Hultén sect. Ciliatae |
| | Saxifraga austromontana Wiegand sect. Trachyphyllum |
| | Saxifraga bracteata D.Don sect. Mesogyne |
| | Saxifraga cernua L. sect. Mesogyne |
| | Saxifraga cespitosa L. sect. Saxifraga |
| | Saxifraga cherlerioides D.Don sect. Trachyphyllum |
| | Saxifraga chrysantha A.Gray sect. Ciliatae |
| | Saxifraga crandallii Gand. sect. Ciliatae |
| | Saxifraga debilis Engelm. ex A.Gray sect. Mesogyne |
| | Saxifraga eschholzii Sternb. sect. Ciliatae |
| | Saxifraga funstonii (Small) Fedde sect. Trachyphyllum |
| | Saxifraga hirculus L. sect. Ciliatae |
| | Saxifraga hyperborea R.Br. sect. Mesogyne |
| | Saxifraga narthorstii (Dusén) Hayek sect. Porphyrion |
| | Saxifraga oppositifolia L. sect. Porphyrion |
| | Saxifraga paniculata Mill. sect. Ligulatae |
| | Saxifraga platysepala (Trautv.) Tolm. sect. Ciliatae |
| | Saxifraga rivularis L sect. Mesogyne |
| | Saxifraga serpyllifolia Pursh sect. Ciliatae |
| | Saxifraga setigera Pursh sect. Ciliatae |
| | Saxifraga sibirica L. sect. Mesogyne |
| | Saxifraga smalliana (Engl. & Irmsch.) ined. sect. Porphyrion |
| | Saxifraga taylori Calder & Savile sect. Trachyphyllum |
| | Saxifraga tricuspidata Rottb. sect. Trachyphyllum |
| | Saxifraga vespertina (Small) Fedde sect. Trachyphyllum |
| | Saxifragopsis fragarioides (Greene) Small |
| | Scabrethia scabra (Hook.) W.A.Weber trib. Heliantheae |
| | Schizotechium americanum (Porter ex B.L.Rob.) Arabi & al. |
| | Schizotechium jamesianum (Torr.) Arabi, Rabeler & Zarre |
| | Scopulophila rixfordii (Brandegee) Munz & I.M.Johnst. |
| | Scutellaria angustifolia Pursh |
| | Scutellaria antirrhinoides Benth. |
| | Scutellaria australis (Fasset) Epling |
| | Scutellaria bolanderi A.Gray |
| | Scutellaria brittonii Porter |
| | Scutellaria multiglandulosa (Kearney) Small ex R.M.Harper |
| | Scutellaria nana A.Gray |
| | Scutellaria nevadensis Eastw. |
| | Scutellaria parvula Michx. |
| | Scutellaria resinosa Torr. |
| | Scutellaria saxatilis Riddell |
| | Scutellaria siphocampyloides Vatke |
| | Scutellaria tuberosa Benth. |
| | Scutellaria wrightii A.Gray |
| | Sedum acre L. sect. Genuina |
| | Sedum adolphi Raym.-Hamet |
| | Sedum alamosanum S.Watson |
| | Sedum albomarginatum R.T.Clausen |
| | Sedum alexanderi Eggli |
| | Sedum allantoides Rose |
| | Sedum australe Rose |
| | Sedum batallae Barocio |
| | Sedum bellum Rose ex Praeger |
| | Sedum booleanum B.L.Turner |
| | Sedum borschii (R.T.Clausen) R.T.Clausen |
| | Sedum botterii Hemsl. |
| | Sedum bourgaei Hemsl. |
| | Sedum brachetii J.Reyes & al. |
| | Sedum burrito Moran |
| | Sedum caducum R.T.Clausen |
| | Sedum calcaratum Rose |
| | Sedum calcicola B.L.Rob. & Greenm. |
| | Sedum carinatifolium (R.T.Clausen) Pérez-Calix |
| | Sedum catorce G.L.Nesom |
| | Sedum chazaroi P.Carrillo & J.A.Lomelí |
| | Sedum chloropetalum R.T.Clausen |
| | Sedum chrysicaulum J.A.McDonald |
| | Sedum ciliosum Howell |
| | Sedum citrinum Zika |
| | Sedum clausenii Pérez-Calix |
| | Sedum clavatum R.T.Clausen |
| | Sedum clavifolium Rose |
| | Sedum cockerellii Britton |
| | Sedum commixtum Moran & Hutchison |
| | Sedum compactum Rose sect. Mexicali |
| | Sedum confusum Hemsl. sect. Mexicali |
| | Sedum conzattii Rose |
| | Sedum copalense Kimnach |
| | Sedum corynephyllum Fröd. |
| | Sedum craigii R.T.Clausen |
| | Sedum cupressoides Hemsl. |
| | Sedum cuspidatum Alexander |
| | Sedum debile S.Watson |
| | Sedum dendroideum Moc. & Sessé ex DC. |
| | Sedum diffusum S.Watson sect. Genuina |
| | Sedum diminutum (R.T.Clausen) G.L.Nesom |
| | Sedum divergens S.Watson |
| | Sedum dulcinomen G.L.Nesom |
| | Sedum eastwoodiae (Britton) A.Berger |
| | Sedum ebracteatum Moc. & Sessé ex DC. sect. Sedastrum |
| | Sedum edwardsii (R.T.Clausen) B.L.Turner |
| | Sedum flaccidum Rose |
| | Sedum furfuraceum Moran |
| | Sedum glabrum (Rose) Praeger sect. Sedastrum |
| | Sedum glassii Pérez-Calix |
| | Sedum glaucophyllum R.T.Clausen |
| | Sedum globuliflorum R.T.Clausen |
| | Sedum goldmanii (Rose) Moran |
| | Sedum grandipetalum Fröd. |
| | Sedum greggii Hemsl. |
| | Sedum griseum Praeger |
| | Sedum guadalajaranum S.Watson |
| | Sedum guatemalense Hemsl. |
| | Sedum gypsophilum B.L.Turner |
| | Sedum havardii Rose |
| | Sedum heckneri M.Peck sect. Genuina |
| | Sedum hemsleyanum Rose sect. Sedastrum |
| | Sedum hernandezii J.Meyrán |
| | Sedum hintonii R.T.Clausen sect. Sedastrum |
| | Sedum hintoniorum B.L.Turner |
| | Sedum hultenii Fröd. |
| | Sedum humifusum Rose sect. Mexicali |
| | Sedum hypogaeum J.Reyes, Brachet & O.Gonzáles |
| | Sedum jarocho P.Carillo & Jimeno-Sevilla |
| | Sedum jerzedowskii Pérez-Calix |
| | Sedum jurgensenii (Hemsl.) Moran |
| | Sedum kristenii J.Reyes, O.González & Etter |
| | Sedum lahovarianum Raym.-Hamet |
| | Sedum lanceolatum Torr. |
| | Sedum latifilamentum R.T.Clausen |
| | Sedum laxum (Britton) A.Berger sect. Genuina |
| | Sedum leibergii Britton |
| | Sedum liebmannianum Hemsl. |
| | Sedum longipes Rose |
| | Sedum lucidum R.T.Clausen |
| | Sedum lumholtzii B.L.Rob. & Fernald |
| | Sedum luteoviride R.T.Clausen |
| | Sedum macdonaldii G.L.Nesom |
| | Sedum macdougallii Moran |
| | Sedum madrense S.Watson |
| | Sedum mellitulum Rose |
| | Sedum mendozae (Glass & Cházaro) V.V.Byalt |
| | Sedum mesoamericanum P.Carrillo & Pérez-Farr |
| | Sedum mexicanum Britton sect. Mexicali |
| | Sedum mocinoanum Pérez-Calix sect. Sedastrum |
| | Sedum monanthum Suksd. |
| | Sedum monticola Brandegee |
| | Sedum moranense Kunth sect. Mexicali |
| | Sedum moranii R.T.Clausen sect. Genuina |
| | Sedum morganianum E.Walther |
| | Sedum muscoideum Rose |
| | Sedum nanifolium Fröd. |
| | Sedum neovolcanicum Pérez-Calix & I.Garcia |
| | Sedum nesioticum G.N.Jones |
| | Sedum nevii A.Gray sect. Genuina |
| | Sedum niveum Davidson |
| | Sedum oaxacanum Rose sect. Mexicali |
| | Sedum obcordatum R.T.Clausen sect. Mexicali |
| | Sedum oblanceolatum R.T.Clausen |
| | Sedum obtusatum A.Gray sect. Genuina |
| | Sedum ocuilense J.Meyrán |
| | Sedum orbatum Moran & J.Meyrán |
| | Sedum oreganum Nutt. |
| | Sedum oregonense (S.Watson) M.E.Peck sect. Genuina |
| | Sedum oteroi Moran |
| | Sedum oxycoccoides Rose |
| | Sedum pacense J.Meyrán |
| | Sedum pachyphyllum Rose |
| | Sedum palmeri S.Watson sect. Mexicali |
| | Sedum papillicaulum G.L.Nesom |
| | Sedum paradisum (Denton) Denton ex B.L.Wilson |
| | Sedum parvum Hemsl. |
| | Sedum pentastamineum R.T.Clausen |
| | Sedum perezdelarosae Jimeno-Sevilla |
| | Sedum piaxtlaense J.Reyes, Etter & Kristen |
| | Sedum porphyranthes J.Reyes, Brachet & O.González |
| | Sedum potosinum Rose |
| | Sedum pruinosum Britton |
| | Sedum pulchellum Michx. sect. Genuina |
| | Sedum pulvinatum R.T.Clausen |
| | Sedum quevae Raym.-Hamet |
| | Sedum raramuri J.Metzg. |
| | Sedum reptans R.T.Clausen sect. Mexicali |
| | Sedum retusum Hemsl. |
| | Sedum rhodocarpum Rose |
| | Sedum roberti Veldkamp |
| | Sedum robertsianum Alexander |
| | Sedum rupicola G.N.Jones |
| | Sedum salazarii J.Reyes & O.González |
| | Sedum scopulinum (Rose) Moran |
| | Sedum semiteres Rose |
| | Sedum sinforosanum J.Reyes & al. |
| | Sedum spathulifolium Hook. |
| | Sedum spathulisepalum R.T.Clausen |
| | Sedum stahlii Solms sect. Mexicali |
| | Sedum stelliforme S.Watson sect. Mexicali |
| | Sedum stenopetalum Pursh |
| | Sedum suaveolens Kimnach |
| | Sedum tamaulipense G.L.Nesom |
| | Sedum tehuaztlense Moran & J.Meyrán |
| | Sedum ternatum Michx. |
| | Sedum tortuosum Hemsl. |
| | Sedum torulosum R.T.Clausen |
| | Sedum treleasei Rose |
| | Sedum trichromum R.T.Clausen |
| | Sedum tuberculatum Rose |
| | Sedum versadense C.H.Thomps. |
| | Sedum vinicolor S.Watson |
| | Sedum wrightii A.Gray sect. Genuina |
| | Senecio amplectens A.Gray trib. Senecioneae |
| | Senecio blitoides Greene trib. Senecioneae |
| | Senecio elmeri Piper trib. Senecioneae |
| | Senecio fremontii Torr. & A.Gray trib. Senecioneae |
| | Senecio holmii Greene trib. Senecioneae |
| | Senecio inexpectatus (Cronquist) Al Schnneid. trib. Senecioneae |
| | Senecio neowebsteri S.F.Blake trib. Senecioneae |
| | Senecio occidentalis (A.Gray) Greene trib. Senecioneae |
| | Senecio pattersonensis Hoover trib. Senecioneae |
| | Senecio scorzonella Greene trib. Senecioneae |
| | Senecio soldanella A.Gray trib. Senecioneae |
| | Senecio spribillei W.A.Weber trib. Senecioneae |
| | Senecio taraxacoides (A.Gray) Greene trib. Senecioneae |
| | Senega alba (Nutt.) J.F.B.Pastore & J.R.Abboott |
| | Senega hemipterocarpa (A.Gray) J.F.B.Pastore & J.R.Abbott |
| | Senega mexicana (Moc. ex Cav.) J.F.B.Pastore & J.R.Abbott |
| | Senega officinalis Spach |
| | Senega scoparioides (Chodat) J.F.B.Pastore & J.R.Abbott |
| | Senega semialata (S.Watson) J.F.B.Pastore & J.R.Abbott |
| | Senega viridis (S.Watson) J.F.B.Pastore & J.R.Abbott |
| | Senega watsonii (Chodat) J.F.B.Pastore & J.R.Abbott |
| | Senna pumilio (A.Gray) H.S. Irwin & Barneby trib. Cassieae |
| | Sericocarpus rigidus Lindl. |
| | Shortia galacifolia Torr. & A.Gray |
| | Shoshonea pulvinata Evert & Constance |
| | Sibbaldia procumbens L. |
| | Sibbaldia tridentata (Aiton) Paule & Soják |
| | Sibthorpia repens (Mutis ex L.) Kuntze trib. Sibthorpieae |
| | Sidalcea multifida Greene |
| | Sidalcea pedata A.Gray |
| | Sidalcea ranunculacea Greene |
| | Sieversia pentapetala (L.) Greene |
| | Silene acaulis (L.) Jacq. |
| | Silene aperta Greene |
| | Silene bernardina S.Watson |
| | Silene bolanderi A.Gray |
| | Silene californica Durand |
| | Silene caroliniana Walter |
| | Silene douglasii Hook. |
| | Silene grayi S.Watson |
| | Silene greenei (S.Watson ex B.L.Rob.) Howell |
| | Silene greggii A.Gray |
| | Silene hitchguirei Bocquet |
| | Silene hookeri Nutt. |
| | Silene invisa C.L.Hitchc. & Maguire |
| | Silene involucrata (Cham. & Schltdl.) Bocquet |
| | Silene kingii (S.Watson) Bocquet |
| | Silene laciniata Cav. |
| | Silene lemmonii S.Watson |
| | Silene menziesii Hook. |
| | Silene nachlingerae A.Tiehm |
| | Silene ogilviensis (A.E.Porsild) P.M.Sl. |
| | Silene oraria M.Peck |
| | Silene oregana S.Watson |
| | Silene parishii S.Watson |
| | Silene parryi (S.Watson) C.L.Hitchc. & Maguire |
| | Silene pensylvanica Michx. |
| | Silene petersonii Maguire |
| | Silene plankii C.L.Hitchc. & Maguire |
| | Silene repens Patrin |
| | Silene rotundifolia Nutt. |
| | Silene salmonacea T.W.Nelson & al. |
| | Silene sargentii S.Watson |
| | Silene seelyi C.V.Morton & J.W.Thomps. |
| | Silene serpentinicola T.W.Nelson & J.P.Nelson |
| | Silene soczavana (Schischk.) Bocquet |
| | Silene suksdorfii B.L.Rob. |
| | Silene taimyrensis (Tolm.) Bocquet |
| | Silene tayloriae (B.L.Rob.) Hultén |
| | Silene uralensis (Rupr.) Bocquet |
| | Silene virginica L. |
| | Silene wherryi Small |
| | Silene wrightii A.Gray |
| | Smelowskia americana (Regel & Herder) Rydb. |
| | Smelowskia borealis (Greene) W.H.Drury & Rollins |
| | Smelowskia johnsonii G.A.Mulligan |
| | Smelowskia media (W.H.Drury & Rollins) Velichkin |
| | Smelowskia ovalis M.E.Jones |
| | Smelowskia parryoides (Cham.) Polunin |
| | Smelowskia porsildii (W.H.Drury & Rollins) Jurtzev |
| | Smelowskia pyriformis W.H.Drury & Rollins |
| | Smithiastrum wilkinsianum (Greene) Morin |
| | Solidago chlorolepis Fernald trib. Astereae |
| | Solidago leiocarpa DC. trib. Astereae |
| | Solidago mollis Bartl. trib. Astereae |
| | Solidago multiradiata Aiton trib. Astereae |
| | Solidago nana Nutt. trib. Astereae |
| | Solidago simplex var. nana (A.Gray) G.S.Ringius trib. Astereae |
| | Solidago spathulata DC. trib. Astereae |
| | Sphaeralcea caespitosa M.E.Jones |
| | Sphaeralcea coccinea (Nutt.) Rydb. |
| | Sphaeralcea elata (Baker f.) Rydb. |
| | Sphaeralcea eremicola Jeps. |
| | Sphaeralcea hastulata A.Gray |
| | Sphaeralcea leptophylla (A.Gray) Rydb. |
| | Sphaeralcea munroana (Douglas ex Lindl.) Spach ex A.Gray |
| | Sphaeralcea parvifolia A.Nelson |
| | Sphaeralcea pedatifida (A.Gray) A.Gray |
| | Sphaeralcea psoraloides S.L.Welsh |
| | Sphaeralcea rusbyi A.Gray |
| | Spigelia marilandica (L.) L. |
| | Spiraea stevenii (C.K.Schneid.) Rydb. |
| | Stachys hyssopifolia Michx. |
| | Stachys rothrockii A.Gray |
| | Stellaria alaskana Hultén |
| | Stellaria dicranoides (Cham. & Schltdl.) Fenzl |
| | Stellaria humifusa Rottb. |
| | Stellaria irrigua Bunge |
| | Stellaria porsildii C.C.Chinnappa |
| | Stellaria ruscifolia D.F.K.Schltdl. |
| | 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 fluminea Gottlieb trib. Cichorieae |
| | Stephanomeria lactucina A.Gray trib. Cichorieae |
| | Stephanomeria monocephala Moran trib. Cichorieae |
| | Stephanomeria parryi A.Gray trib. Cichorieae |
| | Stephanomeria runcinata Nutt. trib. Cichorieae |
| | Stokesia laevis (Hill) Greene trib. Vernonieae |
| | Stylophorum diphyllum (Michx.) Nutt. |
| | Suksdorfia violacea A.Gray |
| | Sullivantia hapemanii J.M.Coult. |
| | Sullivantia oregana S.Watson |
| | Sullivantia purpusii (Brandegee) Rosend. |
| | Sullivantia sullivantii (Torr. & A.Gray) Britton |
| | Swertia perennis L. |
| | Symphyotrichum apricum (A.Gray) P.M.Sl. trib. Astereae |
| | Symphyotrichum campestre (Nutt.) G.L.Nesom trib. Astereae |
| | Symphyotrichum fendleri (A.Gray) G.L.Nesom trib. Astereae |
| | Symphyotrichum nahanniense (Cody) Semple trib. Astereae |
| | Symphyotrichum parryi (D.C.Eaton) P.M.Sl. trib. Astereae |
| | Symphyotrichum porteri (A.Gray) G.L.Nesom trib. Astereae |
| | Symphyotrichum potosinum (A.Gray) G.L.Nesom trib. Astereae |
| | Symphyotrichum pygmaeum (Lindl.) Brouillet & Selliah trib. Astereae |
| | Symphyotrichum yukonense (Cronquist) G.L.Nesom trib. Astereae |
| | |
| | Tagetes linifolia Seaton trib. Tageteae |
| | Talinum lineare Kunth |
| | Tanacetum bipinnatum (L.) Sch.Bip. trib. Anthemideae |
| | Taraxacum alaskanum Rydb. trib. Cichorieae |
| | Taraxacum arcticum (Trautv.) Dahlst. trib. Cichorieae |
| | Taraxacum brachyceras Dahlst. trib. Cichorieae |
| | Taraxacum californicum Munz & I.M.Johnst. trib. Cichorieae |
| | Taraxacum carneocoloratum A.Nelson trib. Cichorieae |
| | Taraxacum ceratophorum (Ledeb.) DC. trib. Cichorieae |
| | Taraxacum croceum Dahlst. trib. Cichorieae |
| | Taraxacum hyparcticum Dahlst. trib. Cichorieae |
| | Taraxacum phymatocarpum J.Vahl trib. Cichorieae |
| | Taraxacum scopulorum (A.Gray) Rydb. trib. Cichorieae |
| | Taraxia breviflora (Torr. & A.Gray) Nutt. ex Small |
| | Taraxia ovata (Nutt.) Small |
| | Taraxia subacaulis (Pursh) Rydb. |
| | Taraxia tanacetifolia (Torr. & A.Gray) Piper |
| | Tauschia howellii (J.M.Coult. & Rose) J.F.Macbr. |
| | Tauschia stricklandii (J.M.Coult. & Rose) Mathias |
| | Tauschia texana A.Gray |
| | Telesonix heucheriformis (Rydb.) Rydb. |
| | Telesonix jamesii (Torr.) Raf. |
| | Tellima grandiflora (Pursh) Douglas ex Lindl. |
| | Tephroseris frigida (Richardson) Holub trib. Senecioneae |
| | Tephroseris kjellmanii (A.E.Porsild) Holub trib. Senecioneae |
| | Tephroseris lindstroemii (Ostenf.) Á. & D.Löve trib. Senecioneae |
| | Tephroseris newcombei (Greene) B.Nord. & Pelser trib. Senecioneae |
| | Tephroseris tundricola (Tolm.) Holub trib. Senecioneae |
| | Tephroseris yukonensis (A.E.Porsild) Holub trib. Senecioneae |
| | Tephrosia pringlei (Rose) J.F.Macbr. |
| | Tephrosia watsoniana (Standl.) J.F.Macbr. |
| | Tetradymia canescens DC. trib. Senecioneae |
| | Tetradymia filifolia Greene trib. Senecioneae |
| | Tetraneuris acaulis (Pursh) Greene trib. Helenieae |
| | Tetraneuris argentea Greene trib. Helenieae |
| | Tetraneuris arizonica Greene trib. Helenieae |
| | Tetraneuris brevifolia Greene trib. Helenieae |
| | Tetraneuris epunctata A.Nelson trib. Helenieae |
| | Tetraneuris herbacea Greene trib. Helenieae |
| | Tetraneuris ivesiana Greene trib. Helenieae |
| | Tetraneuris scaposa (DC.) 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. |
| | Thalictrum clavatum DC. |
| | Thalictrum heliophilum Wilken & DeMott |
| | Thalictrum mirabile Small |
| | Thelesperma subnudum A.Gray trib. Coreopsidae |
| | Thermopsis rhombifolia (Pursh) Richardson trib. Thermopsideae |
| | Thompsonella garcia-mendozae P.Carillo & Pérez-Calix |
| | Thompsonella minutilflora (Rose) Britton & Rose |
| | Thompsonella mixtecana J.Reyes & L.G.López |
| | Thompsonella spathulata Kimnach |
| | Thompsonella xochipalensis Gual & al. |
| | Thymophylla acerosa (DC.) Strother |
| | Thymophylla greggii A.Gray |
| | Thymophylla micropoides (DC.) Strother |
| | Thymophylla setifolia Lag. |
| | Thymus britannicus Ronniger |
| | Thymus praecox Opiz |
| | Tiarella cordifolia L. |
| | Tiarella laciniata Hook. |
| | Tiarella trifoliata L. |
| | Tiarella unifoliata Hook. |
| | Tiquilia canescens (DC.) A.T.Richardson |
| | Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson |
| | Tiquilia latior (I.M.Johnst.) A.T.Richardson |
| | Tiquilia palmeri (A.Gray) A.T.Richardson |
| | Tiquilia plicata (Torr.) A.T.Richardson |
| | Toiyabea alpina (L.C.Anderson & Goodrich) R.P.Roberts & al. trib. Astereae |
| | Toiyabea eximia (H.M.Hall) G.L.Nesom trib. Astereae |
| | Toiyabea granitica (Tiehm & L.M.Schultz) G.L.Nesom trib. Astereae |
| | Toiyabea peirsonii (D.D.Keck) G.L.Nesom trib. Astereae |
| | Tolmiea menziesii (Pursh) Torr. & A.Gray |
| | Tonestus lyallii A.Nelson trib. Astereae |
| | Tonestus pygmaeus A.Nelson trib. Astereae |
| | Townsendia aprica S.L.Welsh & Reveal trib. Astereae |
| | Townsendia condensata Parry trib. Astereae |
| | Townsendia eximia A.Gray trib. Astereae |
| | Townsendia exscapa (Richardson) Porter trib. Astereae |
| | Townsendia fendleri A.Gray trib. Astereae |
| | Townsendia florifera (Hook.) A.Gray trib. Astereae |
| | Townsendia formosa Greene trib. Astereae |
| | Townsendia glabella A.Gray trib. Astereae |
| | Townsendia grandiflora Nutt. trib. Astereae |
| | Townsendia gypsophila Lowrey & P.J.Knight 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 microcephala Dorn trib. Astereae |
| | Townsendia minima Eastw. trib. Astereae |
| | Townsendia montana M.E.Jones trib. Astereae |
| | Townsendia parryi Eaton trib. Astereae |
| | Townsendia rothrockii A.Gray ex Rothr. trib. Astereae |
| | Townsendia scapigera D.C.Eaton trib. Astereae |
| | Townsendia smithii L.M.Shultz & A.H.Holmgren trib. Astereae |
| | Townsendia spathulata Nutt. trib. Astereae |
| | Townsendia strigosa Nutt. trib. Astereae |
| | Townsendia texensis Larsen trib. Astereae |
| | Tricardia watsonii Torr. ex S.Watson |
| | Trifolium andersonii A.Gray trib. Trifolieae |
| | Trifolium andinum Nutt. trib. Trifolieae |
| | Trifolium anemophilum Greene trib. Trifolieae |
| | Trifolium arcuatum Piper trib. Trifolieae |
| | Trifolium atrorubens (Greene) House trib. Trifolieae |
| | Trifolium attenuatum Greene trib. Trifolieae |
| | Trifolium beckwithii W.H.Brewer ex S.Watson trib. Trifolieae |
| | Trifolium bolanderi A.Gray trib. Trifolieae |
| | Trifolium brandegeei S.Watson trib. Trifolieae |
| | Trifolium caurinum Piper trib. Trifolieae |
| | Trifolium dasyphyllum Torr. & A.Gray trib. Trifolieae |
| | Trifolium dedeckerae J.M.Gillett trib. Trifolieae |
| | Trifolium elmeri Greene trib. Trifolieae |
| | Trifolium eriocephalum Nutt. trib. Trifolieae |
| | Trifolium friscanum (S.L.Welsh) S.L.Welsh trib. Trifolieae |
| | Trifolium grantianum A.Heller trib. Trifolieae |
| | Trifolium gymnocarpon Nutt. trib. Trifolieae |
| | Trifolium hansenii Greene trib. Trifolieae |
| | Trifolium harneyensis Howell trib. Trifolieae |
| | Trifolium haydenii Porter trib. Trifolieae |
| | Trifolium latifolium (Hook.) Greene trib. Trifolieae |
| | Trifolium leibergii A.Nels. & J.F.Macbr. 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 monoense Greene trib. Trifolieae |
| | Trifolium montanense Rydb. trib. Trifolieae |
| | Trifolium multipedunculatum P.B.Kenn. trib. Trifolieae |
| | Trifolium nanum Torr. trib. Trifolieae |
| | Trifolium neurophyllum Greene trib. Trifolieae |
| | Trifolium oreganum Howell trib. Trifolieae |
| | Trifolium parryi A.Gray trib. Trifolieae |
| | Trifolium parvum (Kellogg) A.Heller trib. Trifolieae |
| | Trifolium pedunculatum Rydb. trib. Trifolieae |
| | Trifolium rollinsii J.M.Gillet trib. Trifolieae |
| | Trifolium rusbyi Greene trib. Trifolieae |
| | Trifolium rydbergii Greene trib. Trifolieae |
| | Trifolium shastense House trib. Trifolieae |
| | Trifolium tenerum Eastw. trib. Trifolieae |
| | Trifolium uintense Rydb. trib. Trifolieae |
| | Trifolium villiferum House trib. Trifolieae |
| | Trollius albiflorus (A.Gray) Rydb. |
| | Trollius laxus Salisb. |
| | Trollius riederianus Fisch. & C.A.Mey. |
| | |
| | Vaccinium angustifolium Aiton |
| | Vaccinium cespitosum Michx. |
| | Vaccinium crassifolium Andrews |
| | Vaccinium deliciosum Piper |
| | Vaccinium hirsutum Buckley |
| | Vaccinium macrocarpon Aiton |
| | Vaccinium membranaceum Douglas ex Torr. |
| | Vaccinium microcarpum (Turcz. ex Rupr.) Schmalh. |
| | Vaccinium myrsinites Lam. |
| | Vaccinium myrtilloides Michx. |
| | Vaccinium oxycoccos L. |
| | Vaccinium scoparium Leiberg ex Coville |
| | Valeriana arizonica A.Gray |
| | Valeriana capitata Pall. ex Link |
| | Valeriana texana Steyerm. |
| | Vancouveria chrysantha Greene |
| | Vancouveria hexandra C.Morren & Decne. |
| | Vancouveria planipetala Calloni |
| | Verbena bipinnatifida Schauer |
| | Verbena canadensis (L.) Britton |
| | Verbesina nana B.L.Rob. & Greenm. trib. Heliantheae |
| | Veronica alaskensis M.M.Mart.Ort. & Albach |
| | Veronica alpina L. subgen. Veronica |
| | Veronica besseya M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica bullii (Eaton) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica californica M.M.Mart.Ort. & Albach |
| | Veronica canbyi (Pennell) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica copelandii Eastw. subgen. Veronica |
| | Veronica cusickii A.Gray subgen. Veronica |
| | Veronica dissecta (Rydb.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica fruticans Jacq. subgen. Fruticulosae |
| | Veronica grandiflora Gaertn. subgen. Veronica |
| | Veronica idahoensis M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica missurica Raf. subgen. Synthyris |
| | Veronica oblongifolia (Pennell) M.M.Mart.Ort. & Albach 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 ritteriana (Eastw.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica rubra (Douglas ex Hook.) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica schizantha (Piper) M.M.Mart.Ort. & Albach subgen. Synthyris |
| | Veronica stelleri Pall. ex Schrad. & Link subgen. Veronica |
| | 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 macrorhizus (Buckley) R.L.Hartm. & G.L.Nesom |
| | Vesper montanus (Torr. & A.Gray) 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 |
| | Villadia acuta Moran & C.H.Uhl |
| | Villadia albiflora (Hemsl.) Rose |
| | Villadia aperta Moran & C.H.Uhl |
| | Villadia aristata Moran |
| | Villadia cucullata Rose |
| | Villadia diffusa Rose |
| | Villadia grandisepala (R.T.Clausen) R.T.Clausen |
| | Villadia imbricata Rose |
| | Villadia laxa Moran & C.H.Uhl |
| | Villadia minutiflora Rose |
| | Villadia nelsonii Rose |
| | Villadia painteri Rose |
| | Villadia patula Moran & C.H.Uhl |
| | Villadia platystyla (Fröd.) R.T.Clausen |
| | Villadia pringlei Rose |
| | Villadia recurva Moran & al. |
| | Villadia squamulosa (S.Watson) Rose |
| | Villadia stricta Rose |
| | Viola adunca Sm. sect. Viola |
| | Viola affinis Leconte |
| | Viola appalachiensis L.K.Henry sect. Viola |
| | Viola aurea Kellogg |
| | Viola bakeri Greene |
| | Viola beckwithii Torr. & A.Gray sect. Viola |
| | Viola biflora L. sect. Dischidium |
| | Viola blanda Willd. sect. Viola |
| | Viola brittoniana Pollard sect. Viola |
| | Viola calcicola R.A.McCauley & H.E.Ballard |
| | Viola canadensis L. sect. Viola |
| | Viola charlestonensis M.S.Baker & J.C.Clausen |
| | Viola clauseniana M.S.Baker |
| | Viola cucullata Aiton sect. Viola |
| | Viola cuneata S.Watson sect. Viola |
| | Viola douglasii Steud. sect. Viola |
| | Viola egglestonii Brainerd |
| | Viola flavovirens Pollard |
| | Viola flettii Piper sect. Chamaemelanium |
| | Viola frank-smithii N.H.Holmgren sect. Chamaemelanium |
| | Viola glabella Nutt. sect. Chamaemelanium |
| | Viola guadalupensis A.M.Powell & Wauer sect. Chamaemelanium |
| | Viola hallii A.Gray sect. Chamaemelanium |
| | Viola hastata Michx. sect. Chamaemelanium |
| | Viola hirsutula Brainerd |
| | Viola howellii A.Gray |
| | Viola labradorica Schrank sect. Viola |
| | Viola lanceolata L. sect. Viola |
| | Viola langsdorfii Fisch. ex Ging. sect. Viola |
| | Viola linguifolia Nutt. |
| | Viola lithion N.H.Holmgren & P.K.Holmgren |
| | Viola lobata Benth. sect. Viola |
| | Viola macloskeyi F.E.Lloyd sect. Viola |
| | Viola missouriensis Greene |
| | Viola nephrophylla Greene sect. Viola |
| | Viola novae-angliae House |
| | Viola nuttallii Pursh sect. Viola |
| | Viola occidentalis (A.Gray) Howell sect. Viola |
| | Viola ocellata Torr. & A.Gray sect. Viola |
| | Viola orbiculata (A.Gray) Geyer ex B.D.Jacks. sect. Viola |
| | Viola palmata L. sect. Viola |
| | Viola pectinata E.P.Bicknell sect. Viola |
| | Viola pedata L. |
| | Viola pedatifida G.Don sect. Viola |
| | Viola pedunculata Torr. & A.Gray sect. Viola |
| | Viola pinetorum Greene |
| | Viola praemorsa Douglas |
| | Viola primulifolia L. sect. Viola |
| | Viola pubescens Aiton sect. Viola |
| | Viola purpurea Kellogg |
| | Viola quercetorum M.S.Baker & J.C.Clausen |
| | Viola renifolia A.Gray |
| | Viola rostrata Muhl. ex Pursh |
| | Viola rotundifolia Michx. |
| | Viola rugulosa Greene sect. Viola |
| | Viola sagittata Aiton |
| | Viola scopulorum (A.Gray) Greene sect. Viola |
| | Viola selkirkii Pursh ex Goldie sect. Viola |
| | Viola sempervirens Greene sect. Viola |
| | Viola septemloba Leconte |
| | Viola sheltonii Torr. sect. Viola |
| | Viola sororia Willd. sect. Viola |
| | Viola striata Aiton |
| | Viola suecica Fr. sect. Viola |
| | Viola tomentosa M.S.Baker & J.C.Clausen |
| | Viola trinervata (Howel) Howell ex A.Gray |
| | Viola tripartita Elliott |
| | Viola umbraticola Kunth |
| | Viola utahensis M.S.Baker & J.C.Clausen |
| | Viola vallicola A.Nelson |
| | Viola venosa (S.Watson) Rydb. |
| | Viola villosa Walter |
| | Viola walteri House |
| | Viscaria alpina (L.) G.Don |
| | |
| | Waldsteinia doniana Tratt. |
| | Waldsteinia fragarioides (Michx.) Tratt. |
| | Waldsteinia idahoensis Piper |
| | Waldsteinia lobata (Baldw.) Torr. & A.Gray |
| | 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 |
| | Wyethia sagittata (Pursh) Mabb. trib. Heliantheae |
| | |
| | Xanthisma blephariphylla (A.Gray) D.R.Morgan & R.L.Hartm. trib. Astereae |
| | Xanthisma coloradoense (A.Gray) D.R.Morgan & R.L.Hartm. trib. Astereae |
| | 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 |
| | |
| | Yermo xanthocephalus Dorn trib. Senecioneae |
| | |
| | Zinnia acerosa (DC.) A.Gray trib. Heliantheae |
| | Zinnia anomala A.Gray trib. Heliantheae |
| | Zinnia grandiflora Nutt. trib. Heliantheae |