| | |
| | Abronia fragrans Nutt. ex Hook. |
| | Acmispon decumbens (Benth.) Govaerts trib. Loteae |
| | Agnorhiza ovata (Torr. & A.Gray) W.A.Weber trib. Heliantheae |
| | Agoseris retrorsa (Benth.) Greene trib. Cichorieae |
| | Alchemilla pinnata Ruiz & Pav. |
| | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
| | Anemone berlandieri Pritz. |
| | Anemone tuberosa Rydb. |
| | Antennaria marginata Greene trib. Gnaphalieae |
| | Antennaria parvifolia Nutt. trib. Gnaphalieae |
| | Aquilegia canadensis L. |
| | Aquilegia chrysantha A.Gray |
| | Aquilegia elegantula Greene |
| | Aquilegia longissima A.Gray ex S.Watson |
| | Arctostaphylos pungens Kunth |
| | Arenaria lanuginosa var. saxosa (A.Gray) Maguire |
| | Artemisia carruthii Alph.Wood ex J.H.Carruth trib. Anthemideae |
| | Astragalus allochrous A.Gray |
| | Astragalus amphioxys A.Gray trib. Galegeae |
| | Astragalus circumdatus Greene trib. Galegeae |
| | Astragalus cobrensis A.Gray trib. Galegeae |
| | Astragalus coccineus (Parry) Brandegee |
| | Astragalus coriaceus Hemsl. trib. Galegeae |
| | Astragalus crassicarpus Nutt. |
| | Astragalus diphacus S.Watson trib. Galegeae |
| | Astragalus esperanzae M.E.Jones trib. Galegeae |
| | Astragalus goldmanii M.E.Jones trib. Galegeae |
| | Astragalus helleri Fenzl trib. Galegeae |
| | Astragalus humistratus A.Gray trib. Galegeae |
| | Astragalus hypoleucus S.Schauer trib. Galegeae |
| | Astragalus lentiginosus Douglas ex Hook. trib. Galegeae |
| | Astragalus magdalenae Greene sect. Leucophysa |
| | Astragalus mollissimus Torr. |
| | Astragalus orcuttianus S.Watson trib. Galegeae |
| | Astragalus oxyrhynchus Hemsl. trib. Galegeae |
| | Astragalus parvus Hemsl. trib. Galegeae |
| | Astragalus pringlei S.Watson trib. Galegeae |
| | Astragalus purpusii M.E.Jones trib. Galegeae |
| | Astragalus quinqueflorus S.Watson trib. Galegeae |
| | Astragalus tephrodes A.Gray trib. Galegeae |
| | Astragalus thurberi A.Gray trib. Galegeae |
| | Astragalus tolucanus B.L.Rob. & Seaton trib. Galegeae |
| | Astragalus wootonii E.Sheld. trib. Galegeae |
| | Atriplex confertifolia (Torr. & Frémont) S.Watson |
| | |
| | Boechera perennans (S.Watson) W.A.Weber |
| | Boechera pulchra (M.E.Jones ex S.Watson) W.A.Weber |
| | Boykinia rotundifolia Parry ex A.Gray |
| | Brickellia atractyloides A.Gray trib. Eupatorieae |
| | Brickellia microphylla (Nutt.) A.Gray trib. Eupatorieae |
| | Brickellia parvula A.Gray trib. Eupatorieae |
| | |
| | Calandrinia acaulis Kunth |
| | Calyptridium monospermum Greene |
| | Calyptridium umbellatum (Torr.) Greene |
| | Camissoniopsis cheiranthifolia (Hornem.) W.L.Wagner & Hoch |
| | Cardamine breweri S.Watson |
| | Castilleja integra A.Gray |
| | Castilleja lanata A.Gray |
| | Castilleja martini Abrams |
| | Ceanothus cordulatus Kellogg |
| | Ceanothus fendleri A.Gray |
| | Chaenactis parishii A.Gray trib. Helenieae |
| | Chaetopappa ericoides (Torr.) G.L.Nesom trib. Astereae |
| | Chaetopappa parryi A.Gray trib. Astereae |
| | Chimaphila maculata (L.) Pursh |
| | Chimaphila menziesii (R.Br. ex D.Don) Spreng. |
| | Chimaphila umbellata (L.) W.P.C.Barton |
| | Cirsium scariosum var. americanum (A.Gray) D.J.Keil trib. Cardueae |
| | Claytonia rosea Rydb. |
| | Corethrogyne filaginifolia (Hook. & Arn.) Nutt. trib. Astereae |
| | Coursetia greenmanii (Millsp.) R.Duno & Carbevali |
| | Coursetia pumila (Rose) Lavin |
| | Cremnophila nutans Rose |
| | Crocanthemum canadense (L.) Britton |
| | Crocanthemum scoparium (Nutt.) Millsp. |
| | Cymopterus glomeratus (Nutt.) DC. |
| | Cymopterus hallii (A.Gray) B.L.Turner |
| | Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| | |
| | Dalea aurea Nutt. ex Pursh trib. Amorpheae |
| | Dalea candida Willd. trib. Amorpheae |
| | Dalea eriophylla S.Watson trib. Amorpheae |
| | Dalea erythrorhiza Greenm. trib. Amorpheae |
| | Dalea formosa Torr. trib. Amorpheae |
| | Dalea greggii 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 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 pogonanthera A.Gray trib. Amorpheae |
| | Dalea radicans S.Watson trib. Amorpheae |
| | Dalea rubescens S.Watson trib. Amorpheae |
| | Dalea wrightii A.Gray trib. Amorpheae |
| | Delphinium patens Benth. |
| | Delphinium scaposum Greene |
| | Diplacus aridus Abrams |
| | Diplacus clevelandii (Brandegee) Greene |
| | Diplacus longiflorus Nutt. |
| | Draba hidalgensis Calderón |
| | Draba implexa Rollins |
| | Draba jorullensis Kunth |
| | Draba nivicola Rose |
| | Draba standleyi J.F.Macbr. & Payson |
| | Draba viridis A.Heller |
| | Dudleya abramsii Rose |
| | Dudleya acuminata Rose |
| | Dudleya albilfora Rose |
| | Dudleya anomala (Davidson) Moran |
| | Dudleya anthonyi Rose |
| | Dudleya arizonica Rose |
| | Dudleya attenuata (S.Watson) Moran |
| | Dudleya blochmaniae (Eastw.) Moran |
| | Dudleya brittonii Johans. |
| | Dudleya campanulata Moran |
| | Dudleya candida Britton & Rose |
| | Dudleya crassifolia Dodero & M.G.Simpson |
| | Dudleya cultrata Rose |
| | Dudleya edulis (Nutt.) Moran |
| | Dudleya formosa Moran |
| | Dudleya gatesii D.A.Johans. |
| | Dudleya guadalupensis Moran |
| | Dudleya ingens Rose |
| | Dudleya lanceolata (Nutt.) Britton & Rose |
| | Dudleya linearis (Greene) Britton & Rose |
| | Dudleya nubigena (Brandegee) Britton & Rose |
| | Dudleya pachyphytum Moran & M.Benedict |
| | Dudleya pauciflora Rose |
| | Dudleya pulverulenta (Nutt.) Britton & Rose |
| | Dudleya rubens (Brandegee) Britton & Rose |
| | Dudleya saxosa (M.E.Jones) Britton & Rose |
| | Dudleya semiteres (Rose) Moran |
| | Dudleya variegata (S.Watson) Moran |
| | Dudleya virens (Rose) Moran |
| | |
| | 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 cuspidata Rose |
| | Echeveria derenbergii J.A.Purpus |
| | Echeveria difractens Kimnach & A.B.Lau |
| | Echeveria elegans Rose |
| | Echeveria gracilis Rose ex E.Walther |
| | Echeveria halbingeri E.Walther |
| | Echeveria strictiflora A.Gray |
| | Ehrendorferia chrysantha (Hook. & Arn.) Rylander |
| | Epilobium canum (Greene) P.H.Raven |
| | Epilobium glaberrimum Barbey |
| | Eremogone eastwoodiae (Rydb.) Ikonn. |
| | Eriastrum densifolium (Benth.) H.Mason |
| | Ericameria cooperi (A.Gray) H.M.Hall trib. Astereae |
| | Ericameria cuneata (A.Gray) McClatchie trib. Astereae |
| | Ericameria laricifolia (A.Gray) Shinners trib. Astereae |
| | Erigeron breweri A.Gray trib. Astereae |
| | Erigeron canus A.Gray trib. Astereae |
| | Erigeron flagellaris A.Gray trib. Astereae |
| | Erigeron foliosus Nutt. trib. Astereae |
| | Erigeron karvinskianus DC. trib. Astereae |
| | Erigeron multiceps Greene trib. Astereae |
| | Erigeron oxyphyllus Greene trib. Astereae |
| | Eriogonum evanidum Reveal |
| | Eriogonum fasciculatum Benth. sect. Eucycla |
| | Eriogonum inflatum Torr. sect. Ganysma |
| | Eriogonum jamesii Benth. sect. Oligogonum |
| | Eriogonum lonchophyllum Torr. & A.Gray sect. Eucycla |
| | Eriogonum wrightii Torr. ex Benth. sect. Eucycla |
| | Eriophyllum confertiflorum (DC.) A.Gray trib. Helenieae |
| | Eriophyllum lanatum (Pursh) J.Forbes trib. Helenieae |
| | Erysimum capitatum (Douglas) Greene |
| | Erysimum suffrutescens (Abrams) Rossbach |
| | Erythranthe cardinalis (Douglas ex Benth.) Spach |
| | Erythranthe eastwoodiae (Rydb.) G.L.Nesom & N.S.Fraga |
| | Erythranthe geyeri (Torr.) G.L.Nesom |
| | Erythranthe glabrata (Kunth) G.L.Nesom |
| | Erythranthe parvula (Wooton & Standl.) G.L.Nesom |
| | Euphorbia albomarginata Torr. & Gray |
| | Euphorbia astyla Englem. ex Boiss. |
| | Euphorbia brachycera Engelm. |
| | Euphorbia chaetocalyx (Boiss.) Tidestr. |
| | Euphorbia cinerascens Engelm. |
| | Euphorbia fendleri Torr. & A.Gray |
| | Euphorbia jejuna M.C.Johnst. & Warnock |
| | Euphorbia lata Engelm. |
| | Euphorbia lurida Engelm. |
| | Euphorbia melanadenia Torr. |
| | Euphorbia parishii Greene |
| | Euphorbia radians Benth. |
| | |
| | Fallugia paradoxa (D.Don ex Tilloch) Endl. ex Torr. |
| | Frankenia salina (Molina) I.M.Johnst. |
| | Frasera parryi Torr. |
| | |
| | Gaillardia pinnatifida Torr. trib. Heliantheae |
| | Gaultheria myrsinoides Kunth |
| | Gentiana autumnalis L. sect. Pneumonanthe |
| | Geranium alpicola Loes. |
| | Geranium bellum Rose |
| | Geranium caespitosum E.James |
| | Geranium cruceroense R.Knuth |
| | Geranium monanthum Small |
| | Geranium potosinum H.E.Moore |
| | Geranium tenue Hanks |
| | Geranium trolliifolium Small |
| | Geranium wislizeni S.Watson |
| | Giliastrum acerosum (A.Gray) Rydb. |
| | Giliastrum rigidulum (Benth.) Rydb. |
| | Graptopetalum bartramii Rose |
| | Graptopetalum bellum (Moran & J.Meyrán) D.R.Hunt |
| | Graptopetalum rusbyi (Greene) Rose |
| | Gutierrezia sarothrae (Pursh) Britton & Rusby trib. Astereae |
| | |
| | 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 nana (Torr.) Briq. |
| | Heterotheca villosa (Pursh) Shinners trib. Astereae |
| | Heterotheca viscida (A.Gray) V.L.Harms trib. Astereae |
| | Heuchera brevistaminea Wiggins |
| | Heuchera longipetala Moc. ex Ser. |
| | Heuchera mexicana J.H.Schaffn. |
| | Heuchera parvifolia Nutt. |
| | Heuchera rubescens Torr. |
| | Heuchera sanguinea Engelm. |
| | Hieracium bolanderi A.Gray trib. Cichorieae |
| | Hoffmannseggia drummondii Torr. & A.Gray trib. Caesalpinieae |
| | Hoffmannseggia glauca (Ortega) Eifert trib. Caesalpinieae |
| | Hoita orbicularis (Lindl.) Rydb. trib. Psoraleeae |
| | Hosackia oblongifolia Benth. trib. Loteae |
| | Houstonia rubra Cav. |
| | Houstonia wrightii A.Gray |
| | Hulsea vestita A.Gray trib. Helenieae |
| | Hypericum anagalloides Cham. & Schltdl. sect. Trigynobrathys |
| | Hypericum peninsulare Eastw. sect. Brathys |
| | Hypericum scouleri Hook. sect. Hypericum |
| | |
| | Ipomopsis longiflora (Torr.) V.E.Grant |
| | Ipomopsis tenuifolia (A.Gray) V.E.Grant |
| | |
| | Jepsonia parryi (Torr.) Small |
| | |
| | Knowltonia mexicana (Kunth) Christenh. & Byng |
| | Krascheninnikovia ceratoides ssp. lanata (Pursh) Heklau |
| | |
| | Lathyrus polymorphus Nutt. trib. Vicieae |
| | Lenophyllum texanum (J.G.Sm.) Rose |
| | Lepidium montanum Nutt. |
| | Leucosyris blepharophylla (A.Gray) Pruski & R.L.Hartm. trib. Astereae |
| | Lewisia brachycalyx Engelm. ex A.Gray sect. Pygmaea |
| | Liatris punctata Hook. trib. Eupatorieae |
| | Linanthus pungens (Torr.) J.M.Porter & L.A.Johnson |
| | Linum cruciatum Planch. |
| | Linum elongatum (Small) H.J.P. Winkl. |
| | Linum lewisii Pursh |
| | Linum rupestre Engelm. ex A.Gray |
| | Lithophragma affine A.Gray |
| | Lithophragma cymbalaria Torr. & A.Gray |
| | Lithophragma heterophyllum (Hook. & Arn.) Torr. & A.Gray |
| | Lithospermum incisum Lehm. |
| | Lithospermum mirabile Small |
| | Lobelia nana Kunth |
| | Lomatium nevadense (S.Watson) J.M.Coult. & Rose |
| | Lupinus argenteus Pursh trib. Genisteae |
| | Lupinus grayi (S.Watson) S.Watson trib. Genisteae |
| | |
| | Marina alamosana (Rose ex Rydb.) Barneby trib. Amorpheae |
| | Marina calycosa (A.Gray) Barneby trib. Amorpheae |
| | Marina orcuttii (S.Watson) Barneby trib. Amorpheae |
| | Melampodium cinereum DC. trib. Heliantheae |
| | Melampodium leucanthum Torr. & A.Gray trib. Heliantheae |
| | Menodora scabra Engelm. ex A.Gray |
| | Menodora spinescens A.Gray |
| | Micranthes californica (Greene) Small sect. Micranthes |
| | Micranthes eriophora (S.Watson) Small sect. Dermasea |
| | Mimophytum mexicanum (S.Watson) R.R.Mill ex Holstein & Weigen |
| | Mitchella repens L. |
| | Monarda fistulosa L. |
| | Monardella macrantha A.Gray |
| | Monardella nana A.Gray |
| | Montia chamissoi (Ledeb. ex Spreng.) Greene |
| | Musineon tenuifolium Nutt. |
| | |
| | Nama xylopoda (Wooton & Standl.) C.L.Hitchc. |
| | Noccaea fendleri (A.Gray) Holub |
| | |
| | Oenothera albicaulis Nutt. ex Pursh sect. Anogra |
| | Oenothera berlandieri (Spach) D.Dietr. sect. Calylophus |
| | Oenothera brachycarpa A.Gray sect. Megapterium |
| | Oenothera cespitosa Nutt. sect. Pachylophus |
| | Oenothera deltoides Torr. & Frém. sect. Anogra |
| | Oenothera deserticola (Loes.) Munz sect. Hartmannia |
| | Oenothera dissecta A.Gray ex S.Watson sect. Leucocoryne |
| | Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| | Oenothera hartwegii Benth. sect. Calylophus |
| | Oenothera havardii S.Watson sect. Paradoxus |
| | Oenothera kunthiana (Spach) Munz |
| | 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 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 orizabae W.L.Wagner sect. Leucocoryne |
| | Oenothera pallida Lindl. sect. Anogra |
| | Oenothera pennellii Munz sect. Oenothera |
| | Oenothera rosea L‘Hér. ex Aiton sect. Hartmannia |
| | Oenothera speciosa Nutt. sect. Hartmannia |
| | Oenothera texensis P.H.Raven & D.R.Parn. sect. Hartmannia |
| | Oenothera tubicula A.Gray sect. Calylophus |
| | Oenothera tubifera Ser. sect. Ravenia |
| | Orbexilum oliganthum (Brandegee) B.L.Turner trib. Psoraleeae |
| | Oreocarya suffruticosa (Torr.) Greene |
| | Orthilia secunda (L.) House |
| | Ottleya oroboides (Kunth) D.D.Sokoloff trib. Loteae |
| | Oxalis alpina (Rose) Rose ex R.Knuth |
| | Oxalis caerulea (Small) R.Knuth |
| | Oxalis decaphylla Kunth |
| | Oxalis discolor Klotzsch |
| | Oxalis drummondii A.Gray |
| | Oxalis hernandezii Moc. & Sessé ex DC. |
| | Oxalis jacquiniana Kunth |
| | Oxalis lasiandra Zucc. |
| | Oxalis lunulata Zucc. |
| | Oxalis macrocarpa (Small) R.Knuth |
| | Oxalis magnifica (Rose ex Small) R.Knuth |
| | Oxalis metcalfei (Small) R.Knuth |
| | Oxalis primavera (Rose) R.Knuth |
| | Oxalis tetraphylla Cav. |
| | Oxalis violacea L. |
| | |
| | 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 |
| | Paeonia californica Nutt. ex Torr. & A.Gray |
| | Parnassia cirrata Piper |
| | Paronychia jamesii Torr. & A.Gray |
| | Paronychia wilkinsonii S.Watson |
| | Paxistima myrsinites (Pursh) Raf. |
| | Pediomelum californicum (S.Watson) Rydb. trib. Psoraleeae |
| | Pediomelum humile Rydb. trib. Psoraleeae |
| | Pediomelum pentaphyllum (L.) Rydb. trib. Psoraleeae |
| | Penstemon ambiguus Torr. sect. Ambigui |
| | Penstemon baccharifolius Hook. sect. Baccharifolii |
| | Penstemon californicus (Munz & I.M.Johnst.) D.D.Keck sect. Caespitosi |
| | Penstemon clevelandii A.Gray sect. Spectabiles |
| | Penstemon dasyphyllus A.Gray sect. Chamaeleon |
| | Penstemon fendleri Torr. & A.Gray sect. Coerulei |
| | Penstemon glaber Pursh sect. Glabri |
| | Penstemon jamesii Benth. sect. Cristati |
| | Penstemon linarioides A.Gray sect. Caespitosi |
| | Penstemon neomexicanus Wooton & Standl. sect. Glabri |
| | Penstemon parryi (A.Gray) A.Gray sect. Gentianoides |
| | Penstemon pinifolius Greene sect. Caespitosi |
| | Penstemon roseus (Cerv. ex Sweet) G.Don sect. Campanulati |
| | Penstemon rostriflorus Kellogg sect. Bridgesiani |
| | Penstemon secundiflorus Benth. sect. Coerulei |
| | Penstemon superbus A.Nelson sect. Gentianoides |
| | Penstemon thurberi Torr. sect. Ambigui |
| | Penstemon triflorus A.Heller sect. Cristati |
| | Penstemon virgatus A.Gray sect. Glabri |
| | Perityle aglossa A.Gray trib. Heliantheae |
| | Perityle bisetosa (Torr.) Shinners trib. Heliantheae |
| | Perityle coronopifolia A.Gray trib. Heliantheae |
| | Perityle dissecta (Torr. ex A.Gray) A.Gray trib. Heliantheae |
| | Perityle huecoensis A.M.Powell trib. Heliantheae |
| | Perityle lemmonii (A.Gray) J.F.Macbr. trib. Heliantheae |
| | Peteria glandulosa (A.Gray ex S.Watson) Rydb. |
| | Petrophytum caespitosum (Nutt.) Rydb. |
| | Phacelia secunda J.F.Gmel. |
| | Phemeranthus brevicaulis (S.Watson) Kiger |
| | Phemeranthus calycinus (Engelm.) Kiger |
| | Phemeranthus humilis (Greene) Kiger |
| | Phemeranthus longipes (Wooton & Standl.] Kiger |
| | Phemeranthus parviflorus (Nutt.) Kiger |
| | Phemeranthus parvulus (Rose & Standl.) D.J.Ferguson & T.M.Price |
| | Phlox austromontana Coville Microphlox, Canescentes |
| | Phlox nana Nutt. Protophlox, Nanae |
| | Phlox pilosa L. Protophlox, Divaricatae |
| | Phyla cuneifolia (Torr.) Greene |
| | Phyla lanceolata (Michx.) Greene |
| | Physaria argyraea (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria fendleri (A.Gray) O´Kane & Al-Shehbaz |
| | Physaria kingii (S.Watson) O´Kane & Al-Shehbaz |
| | Physaria mcvaughiana (Rollins) O´Kane & Al-Shehbaz |
| | Physaria purpurea (A.Gray) O´Kane & Al-Shehbaz |
| | 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 |
| | Plantago sericea Ruiz & Pav. trib. Plantaginae |
| | Plantago tubulosa Decne. trib. Plantaginae |
| | Plateilema palmeri (A.Gray) Cockerell trib. Helenieae |
| | Polemonium glabrum J.F.Davidson |
| | Polemonium grandiflorum Benth. |
| | Polemonium pauciflorum S.Watson |
| | Polygala alba Nutt. |
| | Polygala amphothrix S.F.Blake |
| | Polygala annectens S.F.Blake |
| | Polygala brachyanthema S.F.Blake |
| | Polygala brachytropis S.F.Blake |
| | Polygala brandegeeana Chodat |
| | Polygala caerulescens S.F.Blake |
| | 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 perennis S.F.Blake |
| | Polygala phoenicistes S.F.Blake |
| | Polygala russeliana S.F.Blake |
| | Polygala scoparia Kunth |
| | Polygala scoparoides Chodat |
| | Polygala semialata S.Watson |
| | Polygala turgida Rose |
| | Polygala viridis S.Watson |
| | Polygala xanti A.Gray |
| | Porophyllum greggii A.Gray trib. Tageteae |
| | Potentilla argyrocoma (Rydb.) Jeps. |
| | Potentilla bolanderi (A.Gray) Greene |
| | Potentilla concinna Richardson |
| | Potentilla durangensis Rydb. |
| | Potentilla goldmanii J.H.Painter |
| | Potentilla haematochrus Lehm. |
| | Potentilla horrida Rydb. |
| | Potentilla leonina Standl. |
| | Potentilla lindleyi Greene |
| | Potentilla obovatifolia Rydb. |
| | Potentilla ranunculoides Humb. & Bonpl. ex Nestl. |
| | Potentilla rubra Willd. ex D.F.K.Schltdl. |
| | Potentilla saxosa Lemmon ex Greene |
| | Potentilla subviscosa Greene |
| | Potentilla thurberi A.Gray ex Lehm. |
| | Primula clevelandii (Greene) A.R.Mast & Reveal |
| | Primula pauciflora (Durand) A.R.Mast & Reveal |
| | Primula rusbyi Greene sect. Parryi |
| | Primula standleyana A.R.Mast & Reveal |
| | |
| | Ranunculus californicus Benth. |
| | Ranunculus fasciculatus Sessé & Moc. |
| | Ranunculus peruvianus Pers. |
| | Ranunculus praemorsus Kunth ex DC. |
| | Rhinotropis cornuta (Kellogg) J.R.Abbott |
| | Rhinotropis desertorum (Brandegee) J.R.Abbott |
| | Rhinotropis lindheimeri (A.Gray) J.R.Abbott |
| | Rhinotropis minutifolia (Rose) J.R.Abbott |
| | Rhinotropis nitida (Brandegee) J..R.Abbott |
| | Rhinotropis parryi (A.W.Benn.) J.R.Abbott |
| | Rhinotropis purpusii (Brandegee) J.R.Abbott |
| | |
| | Salvia texana (Scheele) Torr. |
| | Samolus cinerascens (B.L.Rob.) Pax & Knuth |
| | Scutellaria tuberosa Benth. |
| | Sedum adolphi Raym.-Hamet |
| | Sedum alamosanum S.Watson |
| | Sedum alexanderi Eggli |
| | Sedum allantoides Rose |
| | Sedum australe Rose |
| | Sedum batallae Barocio |
| | Sedum bellum Rose ex Praeger |
| | Sedum booleanum B.L.Turner |
| | Sedum botteri 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 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 dendroideum Moc. & Sessé ex DC. |
| | Sedum diffusum S.Watson sect. Genuina |
| | Sedum diminutum (R.T.Clausen) G.L.Nesom |
| | Sedum dulcinomen G.L.Nesom |
| | 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 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 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 latifilamentum R.T.Clausen |
| | Sedum liebmannianum Hemsl. |
| | Sedum longipes Rose |
| | Sedum lucidum R.T.Clausen |
| | Sedum lumholtzii B.L.Rob. & Fernald |
| | Sedum macdonaldii G.L.Nesom |
| | Sedum macdougallii Moran |
| | Sedum madrense S.Watson |
| | Sedum mellitulum Rose |
| | Sedum mesoamericanum P.Carrillo & Pérez-Farr |
| | Sedum mexicanum Britton sect. Mexicali |
| | Sedum mocinoanum Pérez-Calix sect. Sedastrum |
| | Sedum moranense Kunth sect. Mexicali |
| | Sedum morganianum E.Walther |
| | Sedum muscoideum Rose |
| | Sedum nanifolium Fröd. |
| | Sedum neovolcanicum Pérez-Calix & I.Garcia |
| | Sedum niveum Davidson |
| | Sedum oaxacanum Rose sect. Mexicali |
| | Sedum obcordatum R.T.Clausen sect. Mexicali |
| | Sedum ocuilense J.Meyrán |
| | Sedum orbatum Moran & J.Meyrán |
| | 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 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 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 salazarii J.Reyes & O.González |
| | Sedum scopulinum (Rose) Moran |
| | Sedum semiteres Rose |
| | Sedum sinforosanum J.Reyes & al. |
| | Sedum spathulisepalum R.T.Clausen |
| | Sedum stahlii Solms sect. Mexicali |
| | Sedum stelliforme S.Watson sect. Mexicali |
| | Sedum suaveolens Kimnach |
| | Sedum tamaulipense G.L.Nesom |
| | Sedum tehuaztlense Moran & J.Meyrán |
| | 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 |
| | Senna pumilio (A.Gray) H.S. Irwin & Barneby trib. Cassieae |
| | Sibbaldia procumbens L. |
| | Sibthorpia repens (Mutis ex L.) Kuntze trib. Sibthorpieae |
| | Silene bernardina S.Watson |
| | Silene laciniata Cav. |
| | Silene plankii C.L.Hitchc. & Maguire |
| | Sphaeralcea coccinea (Nutt.) Rydb. |
| | Sphaeralcea hastulata A.Gray |
| | Sphaeralcea leptophylla (A.Gray) Rydb. |
| | Sphaeralcea pedatifida (A.Gray) A.Gray |
| | Stellaria irrigua Bunge |
| | Stephanomeria monocephala Moran trib. Cichorieae |
| | Symphyotrichum potosinum (A.Gray) G.L.Nesom trib. Astereae |
| | |
| | Tephrosia pringlei (Rose) J.F.Macbr. |
| | Tephrosia watsoniana (Standl.) J.F.Macbr. |
| | Tetraneuris scaposa (DC.) Greene trib. Helenieae |
| | 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. |
| | Tiquilia canescens (A.DC.) A.T.Richardson |
| | Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson |
| | Tiquilia palmeri (A.Gray) A.T.Richardson |
| | Tiquilia plicata (Torr.) A.T.Richardson |
| | Townsendia exscapa (Richardson) Porter trib. Astereae |
| | Trifolium longipes Nutt. trib. Trifolieae |
| | |
| | Vaccinium cespitosum Michx. |
| | Verbena bipinnatifida Nutt. |
| | Verbesina nana (A.Gray) B.L.Rob. & Greenm. trib. Heliantheae |
| | Veronica plantaginea E.James subgen. Synthyris |
| | Vesper multinervatus (J.M.Coult. & Rose) R.L.Hartm. |
| | 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 douglasii Steud. sect. Viola |
| | Viola lobata Benth. sect. Viola |
| | Viola nephrophylla Greene sect. Viola |
| | Viola palmata L. sect. Viola |
| | Viola pedunculata Torr. & A.Gray sect. Viola |
| | Viola purpurea Kellogg |
| | Viola sororia Willd. sect. Viola |
| | Viola umbraticola Kunth |
| | |
| | Werneria nubigena Kunth trib. Senecioneae |
| | |
| | Zinnia acerosa (DC.) A.Gray trib. Heliantheae |
| | Zinnia anomala A.Gray trib. Heliantheae |
| | Zinnia grandiflora Nutt. trib. Heliantheae |