| |
| 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 elegantula Greene |
| Aquilegia chrysantha A.Gray |
| 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 |
| 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 |
| |
| Ehrendorferia chrysantha (Hook. & Arn.) Rylander |
| 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 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 chazaroi Kimnach |
| Echeveria chihuahuaensis Poelln. |
| Echeveria strictiflora A.Gray |
| 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 cinerascens Engelm. |
| Euphorbia fendleri Torr. & A.Gray |
| Euphorbia chaetocalyx (Boiss.) Tidestr. |
| 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 |
| |
| 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 |
| |
| 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. |
| |
| Packera actinella (Greene) W.A.Weber & Á.Löve trib. Senecioneae |
| Paeonia californica Nutt. ex Torr. & A.Gray |
| Pachyphytum bracteosum Link, Klotzsch & Otto |
| Pachyphytum brachetii J.Reyes, O.Gonzáles & A.Gut. |
| 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. |
| 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 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 chazaroi P.Carrillo & J.A.Lomelí |
| Sedum chloropetalum R.T.Clausen |
| Sedum chrysicaulum J.A.McDonald |
| 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 |