| |
| Abronia fragrans Nutt. ex Hook. |
| Acmispon oroboides (Kunth) Brouillet trib. Loteae |
| Amsonia arenaria Standl. trib. Vinceae |
| Amsonia tharpii Woodson |
| Anemone berlandieri Pritz. |
| Anemone caroliniana Walter |
| Anemone okennonii Keener & B.E.Dutton |
| Anemone tuberosa Rydb. |
| Antennaria marginata Greene trib. Gnaphalieae |
| Antennaria parvifolia Nutt. trib. Gnaphalieae |
| Aquilegia canadensis L. |
| Aquilegia chaplinei Standl. ex Payson |
| Aquilegia chrysantha A.Gray |
| Aquilegia hinckleyana Munz |
| Aquilegia longissima A.Gray ex S.Watson |
| Arctostaphylos pungens Kunth |
| Arenaria livermorensis Correll |
| Arenaria saxosa A.Gray |
| Artemisia carruthii Alph.Wood ex J.H.Carruth trib. Anthemideae |
| Artemisia frigida Willd. trib. Anthemideae |
| Asclepias uncialis Greene trib. Asclepiadeae |
| Astragalus amphioxys A.Gray trib. Galegeae |
| Astragalus bigelovii A.Gray trib. Galegeae |
| Astragalus crassicarpus Nutt. |
| Astragalus diphysus A.Gray trib. Galegeae |
| Astragalus distortus Torr. & A.Gray trib. Galegeae |
| Astragalus earlei Greene ex Rydb. trib. Galegeae |
| Astragalus engelmannii E.Sheld. trib. Galegeae |
| Astragalus filifolius A.Gray trib. Galegeae |
| Astragalus gypsodes Barneby |
| Astragalus humistratus A.Gray trib. Galegeae |
| Astragalus lotiflorus Hook. trib. Galegeae |
| Astragalus marcidus Greene ex Rydb. trib. Galegeae |
| Astragalus mexicanus A.DC. |
| Astragalus missouriensis Nutt. trib. Galegeae |
| Astragalus mollissimus Torr. trib. Galegeae |
| Astragalus plattensis Nutt. trib. Galegeae |
| Astragalus trichocalyx Nutt. |
| Atriplex confertifolia (Torr. & Frémont) S.Watson |
| |
| Berberis repens Lindl. |
| Berlandiera macvaughii B.L.Turner |
| Boechera perennans (S.Watson) W.A.Weber |
| Boechera porphyrea (Wooton & Standl.) Windham & al. |
| Boechera texana Windham & Al-Shehbaz |
| Boechera zephyra P.J.Alexander |
| Brickellia parvula A.Gray trib. Eupatorieae |
| |
| Callirhoe involucrata (Torr. & A.Gray) A.Gray |
| Callirhoe papaver (Cav.) A.Gray |
| Castilleja citrina Pennell |
| Castilleja integra A.Gray |
| Castilleja lanata A.Gray |
| Castilleja lindheimeri A.Gray |
| Castilleja purpurea (Nutt.) G.Don |
| Ceanothus fendleri A.Gray |
| Chaetopappa ericoides (Torr.) G.L.Nesom trib. Astereae |
| Chaetopappa hersheyi S.F.Blake trib. Astereae |
| Chaetopappa parryi A.Gray trib. Astereae |
| Chrysactinia mexicana A.Gray trib. Tageteae |
| Claytonia virginica L. |
| Clematis columbiana (Nutt.) Torr. & A.Gray |
| Coreopsis grandiflora Hogg ex Sweet trib. Heliantheae |
| Coreopsis harveyana A.Gray trib. Heliantheae |
| Coreopsis lanceolata L. trib. Heliantheae |
| Crocanthemum carolinianum (Walter) Spach |
| Crocanthemum georgianum (Chapm.) Barnhart |
| Crocanthemum rosmarinifolium (Pursh) Janchen |
| Cunila origanoides (L.) Britton |
| Cymopterus fendleri A.Gray |
| Cymopterus hallii (A.Gray) B.L.Turner |
| Cymopterus lemmonii (J.M.Coult. & Rose) Dorn |
| |
| Dalea arenicola (Wemple) B.L.Turner trib. Amorpheae |
| Dalea aurea Nutt. ex Pursh trib. Amorpheae |
| Dalea candida Willd. 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 nana Torr. ex A.Gray trib. Amorpheae |
| Dalea neomexicana (A.Gray) Cory trib. Amorpheae |
| Dalea oligophylla (Torr.) Shinners trib. Amorpheae |
| Dalea pogonathera A.Gray trib. Amorpheae |
| Dalea purpurea Vent. trib. Amorpheae |
| Dalea reverchonii (S.Watson) Shinners trib. Amorpheae |
| Dalea rubescens 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 |
| Draba standleyi J.F.Macbr. & Payson |
| |
| Echeveria strictiflora A.Gray |
| Enemion biternatum Raf. |
| Eremogone fendleri (A.Gray) Ikonn. |
| Ericameria laricifolia (A.Gray) Shinners trib. Astereae |
| Ericameria nauseosa var. texensis (L.C.Anderson) G.L.Nesom |
| Erigeron flagellaris A.Gray trib. Astereae |
| Erigeron rybius G.L.Nesom trib. Astereae |
| Eriogonum correllii Reveal |
| Eriogonum corymbosum Benth. sect. Eucycla |
| Eriogonum havardii S.Watson sect. Eucycla |
| Eriogonum jamesii Benth. sect. Oligogonum |
| Eriogonum lachnogynum Torr. ex Benth. sect. Eucycla |
| Eriogonum suffruticosum S.Watson sect. Eucycla |
| Eriogonum undulatum Benth. sect. Oligogonum |
| Eriogonum wrightii Torr. ex Benth. sect. Eucycla |
| Erysimum amoenum (Greene) Rydb. |
| Erysimum capitatum (Douglas) Greene |
| Erythranthe chinatiensis G.L.Nesom |
| Erythranthe geyeri (Torr.) 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 innocua L.C.Wheeler |
| Euphorbia jejuna M.C.Johnst. & Warnock |
| Euphorbia radians Benth. |
| Evolvulus nuttallianus Roem. & Schult. |
| |
| Fallugia paradoxa (D.Don ex Tilloch) Endl. ex Torr. |
| |
| Gaillardia multiceps Greene trib. Heliantheae |
| Gaillardia pinnatifida Torr. trib. Heliantheae |
| Gentiana affinis Griseb. sect. Pneumonanthe |
| Gentiana saponaria L. sect. Pneumonanthe |
| Geranium caespitosum E.James |
| Geranium wislizeni S.Watson |
| Giliastrum acerosum (A.Gray) Rydb. |
| Giliastrum rigidulum (Benth.) Rydb. |
| Gutierrezia sarothrae (Pursh) Britton & Rusby trib. Astereae |
| |
| Hebecarpa barbeyana (Chodat) J.R.Abbott |
| Hebecarpa macradenia (A.Gray) J.R.Abbott |
| 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 |
| Hedeoma apiculata W.S.Stewart |
| Hedeoma nana (Torr.) Briq. |
| Hedeoma reverchonii (A.Gray) A.Gray |
| Heterotheca hirsutissima (Greene) G.L.Nesom trib. Astereae |
| Heterotheca viscida (A.Gray) V.L.Harms trib. Astereae |
| Heuchera rubescens Torr. |
| Hoffmannseggia drummondii Torr. & A.Gray trib. Caesalpinieae |
| Hoffmannseggia glauca (Ortega) Eifert trib. Caesalpinieae |
| Houstonia longifolia Gaertn. |
| Houstonia purpurea L. |
| Houstonia rubra Cav. |
| Houstonia wrightii A.Gray |
| Hymenoxys floribunda Cockerell trib. Helenieae |
| Hymenoxys richardsonii (Hook.) Cockerell trib. Helenieae |
| Hymenoxys vaseyi Cockerell trib. Helenieae |
| Hypericum stragulum P.B.Adams & N.Robson |
| |
| Ionactis linariifolia (L.) Greene trib. Astereae |
| Ipomopsis longiflora (Torr.) V.E.Grant |
| |
| Justicia wrightii A.Gray |
| |
| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit |
| |
| Laphamia aglossa (A.Gray) Benth. & Hook.f. ex Hemsl. trib. Heliantheae |
| Laphamia angustifolia A.Gray trib. Heliantheae |
| Laphamia bisetosa Torr. trib. Heliantheae |
| Laphamia cinerea A.Gray trib. Heliantheae |
| Laphamia dissecta Torr. trib. Heliantheae |
| Laphamia lindheimeri A.Gray trib. Heliantheae |
| Laphamia parryi (A.Gray) Benth. & Hook.f. ex Hemsl. trib. Heliantheae |
| Laphamia quinqueflora Steyerm. trib. Heliantheae |
| Laphamia rupestris A.Gray trib. Heliantheae |
| Lathyrus decaphyllus Pursh trib. Vicieae |
| Lathyrus incanus (J.G.Sm. & Rydb.) Rydb. trib. Vicieae |
| Lenophyllum texanum (Donn.Sm.) Rose |
| Lespedeza procumbens Michx. trib. Desmodieae |
| Leucosyris blepharophylla (A.Gray) Pruski & R.L.Hartm. trib. Astereae |
| Liatris mucronata DC. trib. Eupatorieae |
| Liatris punctata Hook. trib. Eupatorieae |
| Linum allredii Sivinski & M.O.Howard |
| Linum elongatum (Small) H.J.P. Winkl. |
| Linum lewisii Pursh |
| Linum rupestre Engelm. ex A.Gray |
| Lithospermum canescens (Michx.) Lehm. |
| Lithospermum incisum Lehm. |
| Lithospermum mirabile Small |
| Lomatium daucifolium (Torr. & A.Gray) J.M.Coult. & Rose |
| Lomatium foeniculaceum (Nutt.) J.M.Coult. & Rose |
| Lomatium orientale J.M.Coult. & Rose |
| Lygodesmia juncea (Pursh) D.Don ex Hook. trib. Cichorieae |
| |
| Melampodium cinereum DC. trib. Heliantheae |
| Melampodium leucanthum Torr. & A.Gray trib. Heliantheae |
| Menodora scabra Engelm. ex A.Gray |
| Mentzelia decapetala (Sims) Urb. |
| Mentzelia humilis (Urb. & Gilg) J.Darl. |
| Mentzelia nuda (Pursh) Torr. & A.Gray |
| Mentzelia oligosperma Nutt. ex Sims |
| Micranthes texana (Buckley) Small sect. Dermasea |
| Microseris cuspidata (Pursh) Sch.Bip. trib. Cichorieae |
| Mitchella repens L. |
| Monarda fistulosa L. |
| Monarda menthifolia Graham |
| |
| Nama xylopoda (Wooton & Standl.) C.L.Hitchc. |
| Nerisyrenia linearifolia (S.Watson) Greene |
| Noccaea fendleri (A.Gray) Holub |
| Noccaea glauca (A.Nelson) Holub |
| |
| Oenothera albicaulis Pursh sect. Anogra |
| Oenothera berlandieri (Spach) Steud. |
| Oenothera brachycarpa A.Gray sect. Megapterium |
| Oenothera canescens Torr. & Frém. sect. Gauropsis |
| Oenothera capillifolia Scheele |
| Oenothera coryi W.L.Wagner sect. Megapterium |
| Oenothera fendleri A.Gray sect. Calylophus |
| Oenothera filifolia (Eastw.) Tidestr. sect. Calylophus |
| Oenothera flava (A.Nelson) Garrett sect. Lavauxia |
| 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 kunthiana (Spach) Munz |
| Oenothera lavandulifolia Torr. & A.Gray sect. Calylophus |
| Oenothera macrocarpa Nutt. sect. Megapterium |
| Oenothera marginata Nutt. ex Hook. & Arn. sect. Pachylophus |
| Oenothera mckelveyae (Munz) W.L.Wagner & Hoch sect. Gaura |
| Oenothera oklahomensis (Norton) Hitchc. sect. Megapterium |
| Oenothera pringlei (Munz) Munz sect. Calylophus |
| Oenothera rosea L‘Hér. ex Aiton sect. Hartmannia |
| Oenothera runcinata (Engelm.) Munz sect. Anogra |
| Oenothera sessilis (Pennel) Munz sect. Kneiffia |
| Oenothera speciosa Nutt. sect. Hartmannia |
| Oenothera texensis P.H.Raven & D.R.Parn. sect. Hartmannia |
| Oenothera tubicula A.Gray sect. Calylophus |
| Oreocarya cinerea Greene |
| Oreocarya suffruticosa (Torr.) Greene |
| Oxalis drummondii A.Gray |
| Oxalis metcalfei (Small) R.Knuth |
| Oxytropis articulata (Greene) P.M.Sl. trib. Galegeae |
| Oxytropis sericea Nutt. trib. Galegeae |
| |
| Packera thurberi (A.Gray) B.L.Turner trib. Senecioneae |
| Parnassia asarifolia Vent. |
| Parnassia grandifolia DC. |
| Paronychia jamesii Torr. & A.Gray |
| Paronychia sessiliflora Nutt. |
| Paronychia wilkinsonii S.Watson |
| Pediomelum humile Rydb. trib. Psoraleeae |
| Pediomelum hypogaeum (Nutt.) Rydb. trib. Psoraleeae |
| Pediomelum pentaphyllum (L.) Rydb. trib. Psoraleeae |
| Pediomelum scaposum Rydb. trib. Psoraleeae |
| Pediomelum subulatum (Bush) Rydb. trib. Psoraleeae |
| Penstemon alamosensis Pennell & G.T.Nisbet sect. Gentianoides |
| Penstemon albidus Nutt. sect. Cristati |
| Penstemon ambiguus Torr. sect. Ambigui |
| Penstemon baccharifolius Hook. sect. Baccharifolii |
| Penstemon bradburyi Pursh sect. Coerulei |
| Penstemon buckleyi Pennell sect. Coerulei |
| Penstemon cobaea Nutt. sect. Cristati |
| Penstemon dasyphyllus A.Gray sect. Chamaeleon |
| Penstemon fendleri Torr. & A.Gray sect. Coerulei |
| Penstemon guadalupensis A.Heller sect. Cristati |
| Penstemon jamesii Benth. sect. Cristati |
| Penstemon laxiflorus Pennell sect. Penstemon |
| Penstemon oklahomensis Pennell sect. Penstemon |
| Penstemon thurberi Torr. sect. Ambigui |
| Penstemon triflorus A.Heller sect. Cristati |
| Perityle fosteri A.M.Powell trib. Heliantheae |
| Perityle huecoensis A.M.Powell trib. Heliantheae |
| Perityle vitreomontana Warnock trib. Heliantheae |
| Perityle warnockii A.M.Powell trib. Heliantheae |
| Petrophytum caespitosum (Nutt.) Rydb. |
| Phemeranthus brevicaulis (S.Watson) Kiger |
| Phemeranthus calcaricus (S.Ware) Kiger |
| Phemeranthus calycinus (Engelm.) Kiger |
| Phemeranthus longipes (Wooton & Standl.] Kiger |
| Phemeranthus parviflorus (Nutt.) Kiger |
| Phemeranthus rugospermus (Holz.) Kiger |
| Phlox carolina L. Alphaphlox, Ovatae |
| Phlox detonsa Small Protophlox, Divaricatae |
| Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox mesoleuca Greene Protophlox, Nanae |
| Phlox nana Nutt. Protophlox, Nanae |
| Phlox oklahomensis Wherry Protophlox, Speciosae |
| Phlox pilosa L. Protophlox, Divaricatae |
| Phlox pulcherrima (Lundell) Lundell Protophlox, Divaricatae |
| Phlox texensis (Lundell) Lundell Protophlox, Speciosae |
| Phlox villosissima Small Protophlox, Divaricatae |
| Phyla cuneifolia (Torr.) Greene |
| Phyla lanceolata (Michx.) Greene |
| Physaria argyraea (A.Gray) O´Kane & Al-Shehbaz |
| Physaria engelmannii (A.Gray) O´Kane & Al-Shehbaz |
| Physaria fendleri (A.Gray) O´Kane & Al-Shehbaz |
| Physaria mcvaughiana (Rollins) O´Kane & Al-Shehbaz |
| Physaria ovalifolia (Rydb. ex Britton) O´Kane & Al-Shehbaz |
| Physaria purpurea (A.Gray) O´Kane & Al-Shehbaz |
| Physaria valida (Greene) O´Kane & Al-Shehbaz |
| Picradeniopsis absinthifolia (Benth.) B.G.Baldwin trib. Helenieae |
| Picradeniopsis oppositifolia (Nutt.) Rydb. trib. Helenieae |
| Picradeniopsis woodhousei (A.Gray) Rydb. trib. Helenieae |
| Pinaropappus parvus S.F.Blake trib. Cichorieae |
| Pinaropappus roseus (Less.) Less. trib. Cichorieae |
| Plateilema palmeri Cockerell trib. Helenieae |
| Porophyllum greggii A.Gray trib. Tageteae |
| Potentilla pensylvanica L. |
| Primula meadia (L.) A.R.Mast & Reveal sect. Dodecatheon |
| Psilostrophe tagetina (Nutt.) Greene trib. Helenieae |
| |
| Ranunculus fascicularis Muhl. ex Bigelow |
| Ranunculus fasciculatus Sessé & Moc. |
| Rhinotropis goliadensis (T.Wendt) P.M.Sl. |
| Rhinotropis lindheimeri (A.Gray) J.R.Abbott |
| Rhinotropis maravillasensis (Correll) J.R.Abbott |
| Rhinotropis parvifolia (Wheelock) P.M.Sl. |
| Rhinotropis rimulicola (Steyerm.) J.R.Abbott |
| Rhinotropis tamaulipana (T.Wendt) P.M.Sl. |
| Ribes curvatum Small |
| Rumex venosus Pursh |
| |
| Salvia engelmannii A.Gray |
| Salvia lyrata L. |
| Salvia summa A.Nelson |
| Salvia texana (Scheele) Torr. |
| Sanguinaria canadensis L. |
| Sartwellia flaveriae A.Gray trib. Helenieae |
| Schizotechium jamesianum (Torr.) Arabi, Rabeler & Zarre |
| Scutellaria australis (Fasset) Epling |
| Scutellaria parvula Michx. |
| Scutellaria resinosa Torr. |
| Scutellaria wrightii A.Gray |
| Sedum cockerellii Britton |
| Sedum havardii Rose |
| Sedum nanifolium Fröd. |
| Sedum pulchellum Michx. sect. Genuina |
| Sedum robertsianum Alexander |
| Sedum wrightii A.Gray sect. Genuina |
| Senega alba (Nutt.) J.F.B.Pastore & J.R.Abboott |
| Senega hemipterocarpa (A.Gray) J.F.B.Pastore & J.R.Abbott |
| Senega scoparioides (Chodat) 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 |
| Silene greggii A.Gray |
| Silene plankii C.L.Hitchc. & Maguire |
| Solidago mollis Bartl. trib. Astereae |
| Sphaeralcea coccinea (Nutt.) Rydb. |
| Sphaeralcea elata (Baker f.) Rydb. |
| Sphaeralcea hastulata A.Gray |
| Sphaeralcea leptophylla (A.Gray) Rydb. |
| Sphaeralcea pedatifida (A.Gray) A.Gray |
| Spigelia marilandica (L.) L. |
| Symphyotrichum fendleri (A.Gray) G.L.Nesom trib. Astereae |
| |
| Tauschia texana A.Gray |
| Tetraneuris acaulis (Pursh) Greene trib. Helenieae |
| Tetraneuris scaposa (DC.) Greene trib. Helenieae |
| Teucrium laciniatum Torr. |
| Thymophylla acerosa (DC.) Strother |
| Thymophylla greggii A.Gray |
| Thymophylla micropoides (DC.) Strother |
| Tiquilia canescens (DC.) A.T.Richardson |
| Tiquilia hispidissima (Torr. & A.Gray) A.T.Richardson |
| Townsendia exscapa (Richardson) Porter trib. Astereae |
| Townsendia texensis Larsen trib. Astereae |
| |
| Valeriana arizonica A.Gray |
| Valeriana texana Steyerm. |
| Verbena bipinnatifida Schauer |
| Verbena canadensis (L.) Britton |
| Verbesina nana B.L.Rob. & Greenm. trib. Heliantheae |
| 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. |
| Villadia squamulosa (S.Watson) Rose |
| Viola calcicola R.A.McCauley & H.E.Ballard |
| Viola guadalupensis A.M.Powell & Wauer sect. Chamaemelanium |
| Viola lanceolata L. sect. Viola |
| Viola missouriensis Greene |
| Viola nephrophylla Greene sect. Viola |
| Viola palmata L. sect. Viola |
| Viola pedata L. |
| Viola primulifolia L. sect. Viola |
| Viola pubescens Aiton sect. Viola |
| Viola sagittata Aiton |
| Viola sororia Willd. sect. Viola |
| Viola villosa Walter |
| Viola walteri House |
| |
| Xanthisma blephariphylla (A.Gray) D.R.Morgan & R.L.Hartm. trib. Astereae |
| |
| Zinnia acerosa (DC.) A.Gray trib. Heliantheae |
| Zinnia anomala A.Gray trib. Heliantheae |
| Zinnia grandiflora Nutt. trib. Heliantheae |