217 Records
| Citation | Family Name |
| Abronia fragrans Nuttall ex Hooker |
NYCTAGINACEAE |
| Abutilon theophrasti Medicus |
MALVACEAE |
| Adenolinum lewisii (Pursh) Löve & Löve |
LINACEAE |
| Adenolinum pratense (Norton) W. A. Weber |
LINACEAE |
| Agaloma marginata (Pursh) Löve & Löve |
EUPHORBIACEAE |
| Allium textile Nelson & Macbride |
ALLIACEAE |
| Amaranthus wrightii S. Watson |
AMARANTHACEAE |
| Anemopsis californica Hooker |
SAURURACEAE |
| Antennaria parvifolia Nuttall |
ASTERACEAE |
| Argemone hispida A. Gray |
PAPAVERACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Artemisia bigelovii A. Gray |
ASTERACEAE |
| Asclepias asperula (Decaisne) Woodson ssp asperula |
ASCLEPIADACEAE |
| Asclepias engelmanniana Woodson |
ASCLEPIADACEAE |
| Asclepias latifolia (Torrey) Rafinesque |
ASCLEPIADACEAE |
| Asclepias subverticillata (A. Gray) Vail |
ASCLEPIADACEAE |
| Asclepias viridiflora Rafinesque |
ASCLEPIADACEAE |
| Astragalus gracilis Nuttall |
FABACEAE |
| Astragalus lotiflorus Hooker |
FABACEAE |
| Astragalus missouriensis Nuttall |
FABACEAE |
| Astragalus nuttallianus De Candolle |
FABACEAE |
| Astragalus pectinatus (Hooker) Douglas in Hooker |
FABACEAE |
| Astragalus racemosus Pursh |
FABACEAE |
| Atriplex argentea Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall ssp canescens |
CHENOPODIACEAE |
| Bolboschoenus maritimus (L.) Palla ssp paludosus (A. Nelson) Löve & Löve |
CYPERACEAE |
| Bothriochloa laguroides (De Candolle) Herter ssp torreyana (Steudel) Allred & Gould |
POACEAE |
| Bromus japonicus Thunberg |
POACEAE |
| Caesalpinia jamesii (Torrey & Gray) Fisher |
FABACEAE |
| Calylophus lavandulifolius (Torrey & Gray) Raven |
ONAGRACEAE |
| Carex gravida L. H. Bailey var lunelliana (Mackenzie) F. J. Hermann |
CYPERACEAE |
| Castilleja integra A. Gray in Torrey |
SCROPHULARIACEAE |
| Castilleja sessiliflora Pursh |
SCROPHULARIACEAE |
| Cercocarpus montanus Rafinesque |
ROSACEAE |
| Chaetopappa ericoides (A. Gray) Nesom |
ASTERACEAE |
| Chamaesaracha conioides (Moricand) Britton |
SOLANACEAE |
| Chamaesaracha coronopus (Dunal) A. Gray |
SOLANACEAE |
| Chamaesyce fendleri (Torrey & Gray) Small |
EUPHORBIACEAE |
| Chamaesyce glyptosperma (Engelmann) Small |
EUPHORBIACEAE |
| Chamaesyce lata (Engelmann) Small |
EUPHORBIACEAE |
| Chamaesyce missurica (Rafinesque) Shinners |
EUPHORBIACEAE |
| Chenopodium incanum (S. Watson) Heller |
CHENOPODIACEAE |
| Chenopodium pratericola Rydberg |
CHENOPODIACEAE |
| Chloris verticillata Nuttall |
POACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Cirsium undulatum (Nuttall) Sprengel |
ASTERACEAE |
| Cleome serrulata Pursh |
CAPPARACEAE |
| Convolvulus arvensis L. |
CONVOLVULACEAE |
| Convolvulus equitans Bentham |
CONVOLVULACEAE |
| Conyza canadensis (L.) Cronquist |
ASTERACEAE |
| Corydalis curvisiliqua Engelmann subsp. occidentalis (Engelmann ex A. Gray) W. A. Weber |
FUMARIACEAE |
| Critesion pusillum (Nuttall) Löve |
POACEAE |
| Croton texensis (Klotsch) Müller-Argoviensis in De Candolle |
EUPHORBIACEAE |
| Cryptantha crassisepala (Torrey & Gray) Greene |
BORAGINACEAE |
| Cryptantha minima Rydberg |
BORAGINACEAE |
| Cymopterus acaulis (Pursh) Rafinesque |
APIACEAE |
| Cymopterus montanus Torrey & Gray |
APIACEAE |
| Dalea candida Willdenow var oligophylla (Torrey) Shinners |
FABACEAE |
| Dalea jamesii (Torrey) Torrey & Gray |
FABACEAE |
| Dalea purpurea Ventenat |
FABACEAE |
| Dalea tenuifolia (A. Gray) Shinners |
FABACEAE |
| Dalea villosa Sprengel |
FABACEAE |
| Delphinium carolinianum Walter ssp virescens (Nuttall) R. Brooks |
HELLEBORACEAE |
| Descurainia pinnata (Walter) Britton subsp. halictorum (Cockerell) Detling |
BRASSICACEAE |
| Draba reptans (Lamarck) Fernald |
BRASSICACEAE |
| Echinocereus reichenbachii (Terschek) Haage var perbellus (Britton & Rose) L. Benson |
CACTACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Eremogone hookeri (Nuttall ex Torrey & Gray) W. A. Weber ssp hookeri |
ALSINACEAE |
| Eremogone hookeri (Nuttall ex Torrey & Gray) W. A. Weber ssp pinetorum (A. Nelson) W. A. Weber |
ALSINACEAE |
| Erigeron canus A. Gray |
ASTERACEAE |
| Erigeron colo-mexicanus A. Nelson |
ASTERACEAE |
| Eriogonum fendlerianum (Bentham in De Candolle) Small |
POLYGONACEAE |
| Eriogonum gordonii Bentham |
POLYGONACEAE |
| Eriogonum lachnogynum Torrey ex Bentham in A. De Candolle |
POLYGONACEAE |
| Eriogonum tenellum Torrey |
POLYGONACEAE |
| Erioneuron pilosum (Buckley) Nash |
POACEAE |
| Erysimum asperum (Nuttall) De Candolle |
BRASSICACEAE |
| Eustoma grandiflorum (Rafinesque) Shinners |
GENTIANACEAE |
| Evolvulus nuttallianus Schultes |
CONVOLVULACEAE |
| Festuca pratensis Hudson |
POACEAE |
| Flaveria campestris J. R. Johnston |
ASTERACEAE |
| Frankenia jamesii Torrey ex A. Gray |
FRANKENIACEAE |
| Gaillardia pinnatifida Torrey |
ASTERACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Gaura mollis James |
ONAGRACEAE |
| Gaura neomexicana Wooton ssp neomexicana |
ONAGRACEAE |
| Gilia ophthalmoides Brand |
POLEMONIACEAE |
| Giliastrum rigidulum (Bentham) Rydberg ssp acerosum (A. Gray) W. A. Weber |
POLEMONIACEAE |
| Glandularia bipinnatifida (Nuttall) Nuttall |
VERBENACEAE |
| Grammica indecora (Choisy) W. A. Weber var neuropetala (Engelmann) W. A. Weber |
CUSCUTACEAE |
| Grindelia inornata Greene |
ASTERACEAE |
| Hedysarum boreale Nuttall |
FABACEAE |
| Helianthus annuus L. |
ASTERACEAE |
| Hesperostipa neomexicana (Thurber) Barkworth |
POACEAE |
| Heterotheca canescens (De Candolle) Shinners |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Hibiscus trionum L. |
MALVACEAE |
| Hilaria jamesii (Torrey) Bentham |
POACEAE |
| Hoffmanseggia drepanocarpa A. Gray |
FABACEAE |
| Hoffmanseggia glauca (Ortega) Eifert |
FABACEAE |
| Hybanthus verticillatus (Ortega) Baillon |
VIOLACEAE |
| Hymenopappus filifolius Hooker var cinereus (Rydberg) I. M. Johnston |
ASTERACEAE |
| Hymenopappus tenuifolius Pursh |
ASTERACEAE |
| Ipomoea leptophylla Torrey |
CONVOLVULACEAE |
| Ipomopsis laxiflora (Coulter) V. Grant |
POLEMONIACEAE |
| Ipomopsis pumila (Nuttall) V. Grant |
POLEMONIACEAE |
| Iva axillaris Pursh |
ASTERACEAE |
| Juncus torreyi Coville |
JUNCACEAE |
| Kallstroemia parviflora Norton |
ZYGOPHYLLACEAE |
| Lappula marginata (Bieberstein) Guerke |
BORAGINACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lathyrus eucosmus Butters & St. John |
FABACEAE |
| Lesquerella fendleri (A. Gray) S. Watson |
BRASSICACEAE |
| Leucocrinum montanum Nuttall ex A. Gray |
LILIACEAE |
| Lolium perenne L. ssp italicum (A. Braun) Syme |
POACEAE |
| Lupinus pusillus Pursh |
FABACEAE |
| Lupinus pusillus Pursh ssp pusillus |
FABACEAE |
| Lycium pallidum Miers |
SOLANACEAE |
| Lygodesmia juncea (Pursh) D. Don |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners var. pinnatifida |
ASTERACEAE |
| Machaeranthera tanacetifolia (Humboldt, Bonpland, & Kunth) Nees |
ASTERACEAE |
| Malvella sagittifolia (A. Gray) Fryxell |
MALVACEAE |
| Marrubium vulgare L. |
LAMIACEAE |
| Melampodium leucanthum Torrey & Gray |
ASTERACEAE |
| Melilotus albus Medicus |
FABACEAE |
| Melilotus officinale (L.) Pallas |
FABACEAE |
| Mesynium puberulum (Engelmann in A. Gray) W. A. Weber |
LINACEAE |
| Mesynium rigidum (Pursh) Löve & Löve |
LINACEAE |
| Mirabilis multiflora (Torrey) A. Gray |
NYCTAGINACEAE |
| Monroa squarrosa (Nuttall) Torrey |
POACEAE |
| Muhlenbergia arenicola Buckley |
POACEAE |
| Muhlenbergia asperifolia (Nees & Meyen ex Trinius) Parodi |
POACEAE |
| Muhlenbergia torreyi (Kunth) A. S. Hitchcock ex Bush |
POACEAE |
| Nothocalais cuspidata (Pursh) Greene |
ASTERACEAE |
| Nuttallia decapetala (Pursh ex Sims) Greene |
LOASACEAE |
| Nuttallia multiflora (Nuttall) Greene |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera harringtonii W. L. Wagner et al in W. L. Wagner |
ONAGRACEAE |
| Opuntia polyacantha Haworth var. polyacantha |
CACTACEAE |
| Opuntia sp. |
CACTACEAE |
| Oreocarya suffruticosa (Torrey) Greene |
BORAGINACEAE |
| Orobanche multiflora Nuttall |
OROBANCHACEAE |
| Oxybaphus linearis (Pursh) B. L. Robinson |
NYCTAGINACEAE |
| Oönopsis foliosa (A. Gray) Greene var foliosa |
ASTERACEAE |
| Padus virginiana (L.) P. Miller ssp melanocarpa (A. Nelson) W. A. Weber |
ROSACEAE |
| Panicum capillare L. |
POACEAE |
| Panicum obtusum Humboldt, Bonpland, & Kunth |
POACEAE |
| Paronychia jamesii Torrey & Gray |
ALSINACEAE |
| Paronychia sessiliflora Nuttall |
ALSINACEAE |
| Pascopyrum smithii (Rydberg) Löve |
POACEAE |
| Penstemon angustifolius Nuttall ex Pursh |
SCROPHULARIACEAE |
| Penstemon angustifolius Nuttall ex Pursh ssp caudatus (Heller) Keck |
SCROPHULARIACEAE |
| Penstemon auriberbis Pennell |
SCROPHULARIACEAE |
| Penstemon buckleyi Pennell |
SCROPHULARIACEAE |
| Penstemon versicolor Pennell |
SCROPHULARIACEAE |
| Persicaria lapathifolia (L.) S. Gray |
POLYGONACEAE |
| Phalaris canariensis L. |
POACEAE |
| Phlox longifolia Nuttall |
POLEMONIACEAE |
| Phyla cuneifolia (Torrey) Greene |
VERBENACEAE |
| Physalis hederifolia A. Gray var cordifolia (A. Gray) Waterfall |
SOLANACEAE |
| Physalis virginiana P. Miller |
SOLANACEAE |
| Picradenia odorata (De Candolle) Britton |
ASTERACEAE |
| Picradeniopsis oppositifolia (Nuttall) Rydberg |
ASTERACEAE |
| Polanisia dodecandra (L.) De Candolle |
CAPPARACEAE |
| Populus deltoides H. Marshall ssp monilifera (Aiton) Eckenwalder |
SALICACEAE |
| Psoralidium tenuiflorum (Pursh) Rydberg |
FABACEAE |
| Ptelea trifoliata L. |
RUTACEAE |
| Ratibida tagetes (James) Barnhart |
ASTERACEAE |
| Rayjacksonia annua (Rydberg) R. L. Hartman & M. A. Lane |
ASTERACEAE |
| Rhus aromatica Aiton ssp pilosissima (Engelmann) W. A. Weber |
ANACARDIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Ribes cereum Douglas |
GROSSULARIACEAE |
| Rorippa sinuata (Nuttall in Torrey & Gray) A. S. Hitchcock |
BRASSICACEAE |
| Rumex altissimus Wood |
POLYGONACEAE |
| Rumex crispus L. |
POLYGONACEAE |
| Rumex stenophyllus Ledebour |
POLYGONACEAE |
| Salix amygdaloides Andersson |
SALICACEAE |
| Salix exigua Nuttall ssp exigua |
SALICACEAE |
| Salvia azurea Michaux & Lamarck var grandiflora Bentham |
LAMIACEAE |
| Sambucus coerulea Rafinesque |
CAPRIFOLIACEAE |
| Sarcobatus vermiculatus (Hooker) Torrey |
CHENOPODIACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Senecio flaccidus Lessing var. douglasii (DeCandolle) Turner & Barkley |
ASTERACEAE |
| Setaria viridis (L.) P. Beauvois |
POACEAE |
| Solanum elaeagnifolium Cavanilles |
SOLANACEAE |
| Sonchus asper (L.) J. Hill |
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 |
| Stanleya pinnata (Pursh) Britton |
BRASSICACEAE |
| Stephanomeria pauciflora (Torrey) A. Nelson |
ASTERACEAE |
| Tamarix ramosissima Ledebour |
TAMARICACEAE |
| Tetraneuris acaulis (Pursh) Greene |
ASTERACEAE |
| Teucrium laciniatum Torrey |
LAMIACEAE |
| Thelesperma subnudum A. Gray |
ASTERACEAE |
| Thymophylla aurea (A. Gray) Greene |
ASTERACEAE |
| Tithymalus spathulatus (Lamarck) W. A. Weber |
EUPHORBIACEAE |
| Townsendia exscapa (Richardson) T. C. Porter |
ASTERACEAE |
| Toxicoscordion venenosum (S. Watson) Rydberg |
MELANTHIACEAE |
| Tragia ramosa (Müller-Argoviensis in De Candolle) Torrey |
EUPHORBIACEAE |
| Tribulus terrestris L. |
ZYGOPHYLLACEAE |
| Tripterocalyx micranthus (Torrey) Hooker |
NYCTAGINACEAE |
| Verbena bracteata Lagasca & Rodriguez |
VERBENACEAE |
| Vexibia nuttalliana (B. Turner) W. A. Weber |
FABACEAE |
| Vicia americana Mühlenberg |
FABACEAE |
| Vicia americana Mühlenberg var minor Hooker |
FABACEAE |
| Vicia ludoviciana Nuttall |
FABACEAE |
| Viola nuttallii Pursh |
VIOLACEAE |
| Viola vallicola A. Nelson |
VIOLACEAE |
| Virgulus fendleri (A. Gray) Reveal & Keener |
ASTERACEAE |
| Vitis acerifolia Rafinesque |
VITACEAE |
| Zinnia grandiflora Nuttall |
ASTERACEAE |
