168 Records
| Citation | Family Name |
| Abronia fragrans Nuttall ex Hooker |
NYCTAGINACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Acroptilon repens (L.) De Candolle |
ASTERACEAE |
| Agaloma marginata (Pursh) Löve & Löve |
EUPHORBIACEAE |
| Amaranthus retroflexus L. |
AMARANTHACEAE |
| Andropogon hallii Hackel |
POACEAE |
| Argemone squarrosa Greene |
PAPAVERACEAE |
| Aristida adscensionis L. |
POACEAE |
| Aristida divaricata Humboldt & Bonpland ex Willdenow |
POACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Artemisia bigelovii A. Gray |
ASTERACEAE |
| Asclepias asperula (Decaisne) Woodson |
ASCLEPIADACEAE |
| Asclepias engelmanniana Woodson |
ASCLEPIADACEAE |
| Asclepias incarnata L. |
ASCLEPIADACEAE |
| Asclepias involucrata Engelmann ex Torrey |
ASCLEPIADACEAE |
| Asclepias macrotis Torrey |
ASCLEPIADACEAE |
| Asclepias speciosa Torrey |
ASCLEPIADACEAE |
| Asclepias subverticillata (A. Gray) Vail |
ASCLEPIADACEAE |
| Astragalus bisulcatus (Hooker) A. Gray |
FABACEAE |
| Astragalus crassicarpus Nuttall |
FABACEAE |
| Astragalus lonchocarpus Torrey |
FABACEAE |
| Astragalus mollissimus Torrey var mollissimus |
FABACEAE |
| Astragalus pectinatus (Hooker) Douglas in Hooker |
FABACEAE |
| Astragalus racemosus Pursh |
FABACEAE |
| Baccharis salicina Torrey & Gray |
ASTERACEAE |
| Baccharis wrightii A. Gray |
ASTERACEAE |
| Bolboschoenus maritimus (L.) Palla |
CYPERACEAE |
| Bolboschoenus maritimus (L.) Palla ssp paludosus (A. Nelson) Löve & Löve |
CYPERACEAE |
| Bothriochloa ischaemum (L.) Keng var songarica (Ruprecht ex Fischer & Meyer) Celarier & Harlan |
POACEAE |
| Bothriochloa laguroides (De Candolle) Herter ssp torreyana (Steudel) Allred & Gould |
POACEAE |
| Bouteloua curtipendula (Michaux) Torrey |
POACEAE |
| Buchloë dactyloides (Nuttall) Engelmann |
POACEAE |
| Caesalpinia jamesii (Torrey & Gray) Fisher |
FABACEAE |
| Calamovilfa gigantea (Nuttall) Scribner & Merrill |
POACEAE |
| Calibrachoa parviflora (Juss.) D'Arcy |
SOLANACEAE |
| Carex gravida L. H. Bailey var lunelliana (Mackenzie) F. J. Hermann |
CYPERACEAE |
| Chamaesaracha conioides (Moricand) Britton |
SOLANACEAE |
| Chamaesaracha coronopus (Dunal) A. Gray |
SOLANACEAE |
| Chamaesyce fendleri (Torrey & Gray) Small |
EUPHORBIACEAE |
| Chamaesyce lata (Engelmann) Small |
EUPHORBIACEAE |
| Chamaesyce missurica (Rafinesque) Shinners |
EUPHORBIACEAE |
| Cheilanthes féei T. Moore |
PTERIDACEAE |
| Chenopodium cycloides A. Nelson |
CHENOPODIACEAE |
| Chenopodium incanum (S. Watson) Heller |
CHENOPODIACEAE |
| Chenopodium subglabrum (S. Watson) A. Nelson |
CHENOPODIACEAE |
| Chloris virgata Swartz |
POACEAE |
| Chondrosum barbatum (Lagasca) Clayton |
POACEAE |
| Cladothrix lanuginosa (Nuttall ex Moquin) Bentham & Hooker |
AMARANTHACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Commelina erecta L. var angustifolia (Michaux) Fernald |
COMMELINACEAE |
| Convolvulus equitans Bentham |
CONVOLVULACEAE |
| Critesion jubatum (L.) Nevski |
POACEAE |
| Croton texensis (Klotsch) Müller-Argoviensis in De Candolle |
EUPHORBIACEAE |
| Cryptantha minima Rydberg |
BORAGINACEAE |
| Cucurbita foetidissima Humboldt, Bonpland, & Kunth |
CUCURBITACEAE |
| Cycloloma atriplicifolium (Sprengel) Coulter |
CHENOPODIACEAE |
| Cylindropyrum cylindricum (Host) Löve |
POACEAE |
| Cymopterus acaulis (Pursh) Rafinesque |
APIACEAE |
| Dalea candida Willdenow var oligophylla (Torrey) Shinners |
FABACEAE |
| Dalea cylindriceps Barneby |
FABACEAE |
| Dalea enneandra Nuttall |
FABACEAE |
| Dalea jamesii (Torrey) Torrey & Gray |
FABACEAE |
| Dalea lanata Sprengel |
FABACEAE |
| Dalea purpurea Ventenat |
FABACEAE |
| Dalea villosa Sprengel |
FABACEAE |
| Desmanthus illinoensis (Michaux) MacMillan ex Robinson & Fernald |
FABACEAE |
| Diplachne fascicularis (Lamarck) P. Beauvois |
POACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Dyssodia papposa (Ventenat) A. S. Hitchcock |
ASTERACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Eragrostis trichodes (Nuttall) Wood |
POACEAE |
| Eremogone hookeri (Nuttall ex Torrey & Gray) W. A. Weber ssp hookeri |
ALSINACEAE |
| Erigeron bellidiastrum Nuttall |
ASTERACEAE |
| Eriogonum annuum Nuttall |
POLYGONACEAE |
| Eriogonum effusum Nuttall |
POLYGONACEAE |
| Eriogonum lachnogynum Torrey ex Bentham in A. De Candolle |
POLYGONACEAE |
| Eriogonum tenellum Torrey |
POLYGONACEAE |
| Erioneuron pilosum (Buckley) Nash |
POACEAE |
| Euploca convolvulacea Nuttall |
BORAGINACEAE |
| Evax prolifera Nuttall ex De Candolle |
ASTERACEAE |
| Flaveria campestris J. R. Johnston |
ASTERACEAE |
| Frankenia jamesii Torrey ex A. Gray |
FRANKENIACEAE |
| Frasera coloradensis (C. M. Rogers) D. Post |
GENTIANACEAE |
| Gaillardia pulchella Fougeroux |
ASTERACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Giliastrum rigidulum (Bentham) Rydberg ssp acerosum (A. Gray) W. A. Weber |
POLEMONIACEAE |
| Grammica indecora (Choisy) W. A. Weber var neuropetala (Engelmann) W. A. Weber |
CUSCUTACEAE |
| Gutierrezia sarothrae (Pursh) Britton & Rusby |
ASTERACEAE |
| Hedeoma drummondii Bentham |
LAMIACEAE |
| Hedysarum boreale Nuttall |
FABACEAE |
| Helianthus annuus L. |
ASTERACEAE |
| Heliotropium curassavicum L. ssp oculatum (Heller) Thorne |
BORAGINACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Hesperostipa neomexicana (Thurber) Barkworth |
POACEAE |
| Hilaria jamesii (Torrey) Bentham |
POACEAE |
| Ipomoea leptophylla Torrey |
CONVOLVULACEAE |
| Lesquerella fendleri (A. Gray) S. Watson |
BRASSICACEAE |
| Liatris punctata Hooker |
ASTERACEAE |
| Lupinus pusillus Pursh |
FABACEAE |
| Lygodesmia juncea (Pursh) D. Don |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Machaeranthera tanacetifolia (Humboldt, Bonpland, & Kunth) Nees |
ASTERACEAE |
| Mariscus schweinitzii (Torrey) Koyama |
CYPERACEAE |
| Melampodium leucanthum Torrey & Gray |
ASTERACEAE |
| Mesynium puberulum (Engelmann in A. Gray) W. A. Weber |
LINACEAE |
| Mesynium rigidum (Pursh) Löve & Löve |
LINACEAE |
| Monroa squarrosa (Nuttall) Torrey |
POACEAE |
| Najas guadalupensis (Sprengel) Magnus |
NAJADACEAE |
| Nuttallia nuda (Pursh) Greene |
LOASACEAE |
| Nuttallia reverchonii (Urban & Gilg) W. A. Weber |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera latifolia (Rydberg) Munz |
ONAGRACEAE |
| Oenothera villosa Thunberg ssp strigosa (Rydberg) Dietrich & Raven |
ONAGRACEAE |
| Oligosporus filifolius (Torrey) Poljakov |
ASTERACEAE |
| Opuntia polyacantha Haworth var. polyacantha |
CACTACEAE |
| Oreocarya thyrsiflora Greene |
BORAGINACEAE |
| Oxybaphus glaber S. Watson |
NYCTAGINACEAE |
| Oönopsis foliosa (A. Gray) Greene var foliosa |
ASTERACEAE |
| Palafoxia rosea (Bush) Cory var macrolepis (Rydberg) B. Turner |
ASTERACEAE |
| Palafoxia sphacelata (Nuttall ex Torrey) Cory |
ASTERACEAE |
| Panicum capillare L. |
POACEAE |
| Panicum obtusum Humboldt, Bonpland, & Kunth |
POACEAE |
| Panicum virgatum L. |
POACEAE |
| Paronychia jamesii Torrey & Gray |
ALSINACEAE |
| Paspalum setaceum Michaux var stramineum (Nash) D. Banks |
POACEAE |
| Phragmites australis (Cavanilles) Trinius ex Steudel |
POACEAE |
| Phyla cuneifolia (Torrey) Greene |
VERBENACEAE |
| Physalis virginiana P. Miller |
SOLANACEAE |
| Picradenia odorata (De Candolle) Britton |
ASTERACEAE |
| Plantago patagonica Jacquin |
PLANTAGINACEAE |
| Poa arida Vasey |
POACEAE |
| Polanisia dodecandra (L.) De Candolle |
CAPPARACEAE |
| Polygala alba Nuttall |
POLYGALACEAE |
| Polygonum ramosissimum Michaux |
POLYGONACEAE |
| Polypogon monspeliensis (L.) Desfontaines |
POACEAE |
| Populus deltoides H. Marshall ssp monilifera (Aiton) Eckenwalder |
SALICACEAE |
| Psoralidium lanceolatum (Pursh) Rydberg |
FABACEAE |
| Psoralidium tenuiflorum (Pursh) Rydberg |
FABACEAE |
| Rayjacksonia annua (Rydberg) R. L. Hartman & M. A. Lane |
ASTERACEAE |
| Redfieldia flexuosa (Thurber ex A. Gray) Vasey |
POACEAE |
| Reverchonia arenaria A. Gray |
EUPHORBIACEAE |
| Rhus aromatica Aiton ssp pilosissima (Engelmann) W. A. Weber |
ANACARDIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schizachyrium scoparium (Michaux) Nash |
POACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Solidago gigantea Aiton |
ASTERACEAE |
| Sphaeralcea angustifolia (Cavanilles) G. Don var cuspidata A. Gray |
MALVACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg |
MALVACEAE |
| Sporobolus airoides (Torrey) Torrey |
POACEAE |
| Sporobolus cryptandrus (Torrey) A. Gray |
POACEAE |
| Sporobolus giganteus Nash |
POACEAE |
| Sporobolus nealleyi Vasey |
POACEAE |
| Talinum parviflorum Nuttall ex Torrey & Gray |
PORTULACACEAE |
| Tetraneuris acaulis (Pursh) Greene |
ASTERACEAE |
| Tetraneuris scaposa (De Candolle) Greene |
ASTERACEAE |
| Teucrium laciniatum Torrey |
LAMIACEAE |
| Thelesperma megapotamicum (Sprengel) Kuntze |
ASTERACEAE |
| Thymophylla aurea (A. Gray) Greene |
ASTERACEAE |
| Tradescantia occidentalis (Britton) Smyth var scopulorum (Rose) Anderson & Woodson |
COMMELINACEAE |
| Tribulus terrestris L. |
ZYGOPHYLLACEAE |
| Triplasis purpurea (Walter) Chapman |
POACEAE |
| Tripterocalyx micranthus (Torrey) Hooker |
NYCTAGINACEAE |
| Typha latifolia L. |
TYPHACEAE |
| Verbena bracteata Lagasca & Rodriguez |
VERBENACEAE |
| Vernonia baldwinii Torrey ssp interior (Small) Faust |
ASTERACEAE |
| Virgulus ericoides (L.) Reveal & Keener |
ASTERACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
