93 Records
| Citation | Family Name |
| Abronia fragrans Nuttall ex Hooker |
NYCTAGINACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Allium textile Nelson & Macbride |
ALLIACEAE |
| Amaranthus arenicola I. M. Johnston |
AMARANTHACEAE |
| Ambrosia acanthicarpa Hooker |
ASTERACEAE |
| Ambrosia linearis (Rydberg) Payne |
ASTERACEAE |
| Ambrosia trifida L. |
ASTERACEAE |
| Andropogon hallii Hackel |
POACEAE |
| Anisantha tectorum (L.) Nevski |
POACEAE |
| Argemone polyanthemos (Fedde) G. Ownbey |
PAPAVERACEAE |
| Aristida divaricata Humboldt & Bonpland ex Willdenow |
POACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Asclepias latifolia (Torrey) Rafinesque |
ASCLEPIADACEAE |
| Asclepias subverticillata (A. Gray) Vail |
ASCLEPIADACEAE |
| Astragalus mollissimus Torrey |
FABACEAE |
| Astragalus pectinatus (Hooker) Douglas in Hooker |
FABACEAE |
| Bouteloua curtipendula (Michaux) Torrey |
POACEAE |
| Caesalpinia jamesii (Torrey & Gray) Fisher |
FABACEAE |
| Calylophus serrulatus (Nuttall) Raven |
ONAGRACEAE |
| Camelina microcarpa Andrzejowski ex De Candolle |
BRASSICACEAE |
| Cardaria chalepensis (L.) Handel-Mazzetti |
BRASSICACEAE |
| Chamaesaracha coronopus (Dunal) A. Gray |
SOLANACEAE |
| Chamaesyce missurica (Rafinesque) Shinners |
EUPHORBIACEAE |
| Chenopodium incanum (S. Watson) Heller |
CHENOPODIACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Cleome serrulata Pursh |
CAPPARACEAE |
| Croton texensis (Klotsch) Müller-Argoviensis in De Candolle |
EUPHORBIACEAE |
| Cycloloma atriplicifolium (Sprengel) Coulter |
CHENOPODIACEAE |
| Cylindropuntia imbricata (Haworth) Knuth |
CACTACEAE |
| Dalea candida Willdenow var oligophylla (Torrey) Shinners |
FABACEAE |
| Descurainia pinnata (Walter) Britton subsp. halictorum (Cockerell) Detling |
BRASSICACEAE |
| Descurainia sophia (L.) Webb ex Prantl |
BRASSICACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Dyssodia papposa (Ventenat) A. S. Hitchcock |
ASTERACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Erigeron bellidiastrum Nuttall |
ASTERACEAE |
| Eriogonum effusum Nuttall |
POLYGONACEAE |
| Euploca convolvulacea Nuttall |
BORAGINACEAE |
| Evolvulus nuttallianus Schultes |
CONVOLVULACEAE |
| Gaillardia pinnatifida Torrey |
ASTERACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Halerpestes cymbalaria (Pursh) Greene ssp saximontana (Fernald) Moldenke |
RANUNCULACEAE |
| Helianthus petiolaris Nuttall |
ASTERACEAE |
| Helianthus tuberosus L. |
ASTERACEAE |
| Hilaria jamesii (Torrey) Bentham |
POACEAE |
| Hippochaete hyemalis (L.) Bruhin |
EQUISETACEAE |
| Hymenopappus tenuifolius Pursh |
ASTERACEAE |
| Ipomoea leptophylla Torrey |
CONVOLVULACEAE |
| Juncus arcticus Willdenow ssp ater (Rydberg) Hultén |
JUNCACEAE |
| Leiostemon ambiguus (Torrey) Greene |
SCROPHULARIACEAE |
| Lygodesmia juncea (Pursh) D. Don |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Machaeranthera tanacetifolia (Humboldt, Bonpland, & Kunth) Nees |
ASTERACEAE |
| Mollugo verticillata L. |
MOLLUGINACEAE |
| Muhlenbergia pungens Thurber ex A. Gray |
POACEAE |
| Oenothera coronopifolia Torrey & Gray |
ONAGRACEAE |
| Oenothera latifolia (Rydberg) Munz |
ONAGRACEAE |
| Oligosporus filifolius (Torrey) Poljakov |
ASTERACEAE |
| Orobanche ludoviciana Nuttall |
OROBANCHACEAE |
| Oxybaphus nyctagineus (Michaux) T. C. Porter in Porter & Coulter |
NYCTAGINACEAE |
| Oönopsis foliosa (A. Gray) Greene var foliosa |
ASTERACEAE |
| Panicum obtusum Humboldt, Bonpland, & Kunth |
POACEAE |
| Pectis angustifolia Torrey |
ASTERACEAE |
| Penstemon angustifolius Nuttall ex Pursh |
SCROPHULARIACEAE |
| Phyla cuneifolia (Torrey) Greene |
VERBENACEAE |
| Physalis hederifolia A. Gray var. comata (Rydberg) Waterfall |
SOLANACEAE |
| Physalis pumila Nuttall ssp hispida (Waterfall) Hinton |
SOLANACEAE |
| Picradeniopsis oppositifolia (Nuttall) Rydberg |
ASTERACEAE |
| Polanisia dodecandra (L.) De Candolle |
CAPPARACEAE |
| Proboscidea louisianica (P. Miller) Thellung |
MARTYNIACEAE |
| Psoralidium lanceolatum (Pursh) Rydberg |
FABACEAE |
| Psoralidium tenuiflorum (Pursh) Rydberg |
FABACEAE |
| Quincula lobata (Torrey) Rafinesque |
SOLANACEAE |
| Ratibida tagetes (James) Barnhart |
ASTERACEAE |
| Rorippa sinuata (Nuttall in Torrey & Gray) A. S. Hitchcock |
BRASSICACEAE |
| Rumex altissimus Wood |
POLYGONACEAE |
| Rumex venosus Pursh |
POLYGONACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Schoenoplectus validus (Vahl) Löve & Löve |
CYPERACEAE |
| Sesuvium verrucosum Rafinesque |
AIZOACEAE |
| Solidago canadensis L. |
ASTERACEAE |
| Sphaeralcea angustifolia (Cavanilles) G. Don var cuspidata A. Gray |
MALVACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg ssp elata (E. G. Baker) Kearney |
MALVACEAE |
| Sporobolus airoides (Torrey) Torrey |
POACEAE |
| Thelesperma megapotamicum (Sprengel) Kuntze |
ASTERACEAE |
| Thymophylla aurea (A. Gray) Greene |
ASTERACEAE |
| Tribulus terrestris L. |
ZYGOPHYLLACEAE |
| Vexibia nuttalliana (B. Turner) W. A. Weber |
FABACEAE |
| Virgulus falcatus (Lindley) Reveal & Keener |
ASTERACEAE |
| Ximenesia encelioides Cavanilles |
ASTERACEAE |
| Zinnia grandiflora Nuttall |
ASTERACEAE |
