230 Records
| Citation | Family Name |
| Abronia fragrans Nuttall ex Hooker |
NYCTAGINACEAE |
| Achnatherum hymenoides (Roemer & Schultes) Barkworth |
POACEAE |
| Achnatherum x bloomeri (Bolander) Barkworth |
POACEAE |
| Agalinis tenuifolia (M. Vahl) Rafinesque |
SCROPHULARIACEAE |
| Agropyron desertorum Fischer ex Link |
POACEAE |
| Allium textile Nelson & Macbride |
ALLIACEAE |
| Alyssum desertorum Stapf |
BRASSICACEAE |
| Alyssum parviflorum M. Bieberstein var. micranthum (C. A. Meyer in Fisher & Meyer) Dorn |
BRASSICACEAE |
| Ambrosia psilostachya De Candolle var coronopifolia (Torrey & Gray) Farwell |
ASTERACEAE |
| Amelanchier alnifolia Nuttall |
ROSACEAE |
| Andropogon hallii Hackel |
POACEAE |
| Anemonidium canadense (L.) Löve & Löve |
RANUNCULACEAE |
| Anisantha tectorum (L.) Nevski |
POACEAE |
| Aphyllon fasciculatum (Nuttall) Torrey & Gray |
OROBANCHACEAE |
| Apocynum cannabinum L. |
APOCYNACEAE |
| Apocynum medium Greene |
APOCYNACEAE |
| Arctium tomentosum P. Miller |
ASTERACEAE |
| Argemone polyanthemos (Fedde) G. Ownbey |
PAPAVERACEAE |
| Argentina anserina (L.) Rydberg |
ROSACEAE |
| Aristida purpurea Nuttall |
POACEAE |
| Artemisia ludoviciana Nuttall ssp incompta (Nuttall) Keck |
ASTERACEAE |
| Asclepias pumila (A. Gray) Vail |
ASCLEPIADACEAE |
| Asclepias viridiflora Rafinesque |
ASCLEPIADACEAE |
| Astragalus adsurgens Pallas var robustior Hooker |
FABACEAE |
| Astragalus bisulcatus (Hooker) A. Gray |
FABACEAE |
| Astragalus crassicarpus Nuttall |
FABACEAE |
| Astragalus drummondii Douglas ex Hooker |
FABACEAE |
| Astragalus missouriensis Nuttall |
FABACEAE |
| Astragalus shortianus Nuttall in Torrey & Gray |
FABACEAE |
| Atriplex argentea Nuttall |
CHENOPODIACEAE |
| Atriplex canescens (Pursh) Nuttall |
CHENOPODIACEAE |
| Atriplex patula L. |
CHENOPODIACEAE |
| Bassia sieversiana (Pallas) W. A. Weber |
CHENOPODIACEAE |
| Beckmannia syzigachne (Steudel) Fernald ssp baicalensis (Kuznetzow) Koyama & Kuwano |
POACEAE |
| Berteroa incana (L.) De Candolle |
BRASSICACEAE |
| Berula erecta (Hudson) Coville |
APIACEAE |
| Bidens comosa (A. Gray) Wiegand |
ASTERACEAE |
| Bolboschoenus maritimus (L.) Palla ssp paludosus (A. Nelson) Löve & Löve |
CYPERACEAE |
| Brachypodium distachyon (L.) P. Beauvois |
POACEAE |
| Bromopsis inermis (Leysser) Holub |
POACEAE |
| Calamovilfa longifolia (Hooker) Scribner in Hackel |
POACEAE |
| Camelina microcarpa Andrzejowski ex De Candolle |
BRASSICACEAE |
| Campanula parryi A. Gray |
CAMPANULACEAE |
| Campanula rotundifolia L. |
CAMPANULACEAE |
| Capsella bursa-pastoris (L.) Medicus |
BRASSICACEAE |
| Carex praegracilis F. Boott |
CYPERACEAE |
| Castilleja integra A. Gray in Torrey |
SCROPHULARIACEAE |
| Chamaesyce glyptosperma (Engelmann) Small |
EUPHORBIACEAE |
| Chamaesyce prostrata (Ait.) Small |
EUPHORBIACEAE |
| Chamaesyce supina (Rafinesque) Moldenke |
EUPHORBIACEAE |
| Chenopodium berlandieri Moquin |
CHENOPODIACEAE |
| Chenopodium glaucum L. |
CHENOPODIACEAE |
| Chenopodium incanum (S. Watson) Heller |
CHENOPODIACEAE |
| Chenopodium leptophyllum (Nuttall ex Moquin) S. Watson |
CHENOPODIACEAE |
| Chenopodium pratericola Rydberg |
CHENOPODIACEAE |
| Chloris verticillata Nuttall |
POACEAE |
| Chondrosum gracile Humboldt, Bonpland, & Kunth |
POACEAE |
| Chorispora tenella (Pallas) De Candolle |
BRASSICACEAE |
| Chrysothamnus nauseosus (Pallas ex Pursh) Britton ssp graveolens (Nuttall) Piper |
ASTERACEAE |
| Cirsium vulgare (Savi) Tenore |
ASTERACEAE |
| Collomia linearis Nuttall |
POLEMONIACEAE |
| Comandra umbellata (L.) Nuttall ssp pallida (A. De Candolle) Piehl |
SANTALACEAE |
| Coreopsis tinctoria Nuttall |
ASTERACEAE |
| Coryphantha vivipara (Nuttall) Britton & Rose var vivipara |
CACTACEAE |
| Critesion pusillum (Nuttall) Löve |
POACEAE |
| Croton texensis (Klotsch) Müller-Argoviensis in De Candolle |
EUPHORBIACEAE |
| Cryptantha minima Rydberg |
BORAGINACEAE |
| Cymopterus montanus Torrey & Gray |
APIACEAE |
| Cyperus acuminatus Torrey & Hooker |
CYPERACEAE |
| Cyperus erythrorhizus Mühlenberg |
CYPERACEAE |
| Dalea candida Willdenow var oligophylla (Torrey) Shinners |
FABACEAE |
| Delphinium carolinianum Walter ssp virescens (Nuttall) R. Brooks |
HELLEBORACEAE |
| Descurainia pinnata (Walter) Britton |
BRASSICACEAE |
| Diplachne fascicularis (Lamarck) P. Beauvois |
POACEAE |
| Distichlis stricta (Torrey) Rydberg |
POACEAE |
| Draba nemorosa L. |
BRASSICACEAE |
| Draba reptans (Lamarck) Fernald |
BRASSICACEAE |
| Echinocereus viridiflorus Engelmann |
CACTACEAE |
| Echinocystis lobata (Michaux) Torrey & Gray |
CUCURBITACEAE |
| Elaeagnus angustifolia L. |
ELAEAGNACEAE |
| Eleocharis palustris (L.) Roemer & Schultes |
CYPERACEAE |
| Eragrostis diffusa Buckley |
POACEAE |
| Eragrostis hypnoides (Lamarck) Britton, Sterns, & Poggenberg |
POACEAE |
| Eragrostis trichodes (Nuttall) Wood |
POACEAE |
| Eremopyrum triticeum (Gaertner) Nevski |
POACEAE |
| Erigeron bellidiastrum Nuttall |
ASTERACEAE |
| Erigeron canus A. Gray |
ASTERACEAE |
| Erigeron pumilus Nuttall |
ASTERACEAE |
| Eriogonum effusum Nuttall |
POLYGONACEAE |
| Eriogonum umbellatum Torrey var. umbellatum |
POLYGONACEAE |
| Erodium cicutarium (L.) L'Heritier |
GENTIANACEAE |
| Erysimum asperum (Nuttall) De Candolle |
BRASSICACEAE |
| Eupatorium maculatum L. subsp. bruneri (A. Gray) G. W. Douglas |
ASTERACEAE |
| Eustoma grandiflorum (Rafinesque) Shinners |
GENTIANACEAE |
| Evolvulus nuttallianus Schultes |
CONVOLVULACEAE |
| Fallopia convolvulus (L.) Löve |
POLYGONACEAE |
| Gaura coccinea Nuttall ex Pursh |
ONAGRACEAE |
| Gaura mollis James |
ONAGRACEAE |
| Glandularia bipinnatifida (Nuttall) Nuttall |
VERBENACEAE |
| Grammica indecora (Choisy) W. A. Weber var neuropetala (Engelmann) W. A. Weber |
CUSCUTACEAE |
| Grindelia squarrosa (Pursh) Dunal |
ASTERACEAE |
| Gutierrezia sarothrae (Pursh) Britton & Rusby |
ASTERACEAE |
| Halerpestes cymbalaria (Pursh) Greene ssp saximontana (Fernald) Moldenke |
RANUNCULACEAE |
| Helianthus pumilus Nuttall |
ASTERACEAE |
| Heliomeris multiflora Nuttall var multiflora |
ASTERACEAE |
| Heliotropium curassavicum L. ssp oculatum (Heller) Thorne |
BORAGINACEAE |
| Hesperostipa comata (Trinius & Ruprecht) Barkworth |
POACEAE |
| Heterotheca canescens (De Candolle) Shinners |
ASTERACEAE |
| Heterotheca villosa (Pursh) Shinners |
ASTERACEAE |
| Humulus lupulus L. ssp americanus (Nuttall) Löve & Löve |
CANNABACEAE |
| Hymenopappus filifolius Hooker |
ASTERACEAE |
| Iberis amara L. |
BRASSICACEAE |
| Impatiens capensis Meerburgh |
BALSAMINACEAE |
| Ipomoea leptophylla Torrey |
CONVOLVULACEAE |
| Ipomopsis aggregata (Pursh) V. Grant ssp candida (Rydberg) V. & A. Grant |
POLEMONIACEAE |
| Ipomopsis spicata (Nuttall) V. Grant |
POLEMONIACEAE |
| Juncus compressus Jacquin |
JUNCACEAE |
| Juncus torreyi Coville |
JUNCACEAE |
| Koeleria macrantha (Ledebour) Schultes |
POACEAE |
| Krascheninnikovia lanata (Pursh) Meeuse & Smit |
CHENOPODIACEAE |
| Lappula marginata (Bieberstein) Guerke |
BORAGINACEAE |
| Lappula redowskii (Hornemann) Greene |
BORAGINACEAE |
| Lathyrus eucosmus Butters & St. John |
FABACEAE |
| Lemna minor L. |
LEMNACEAE |
| Lepidium perfoliatum L. |
BRASSICACEAE |
| Leptodactylon pungens (Torrey) Rydberg |
POLEMONIACEAE |
| Lesquerella ludoviciana (Nuttall) S. Watson |
BRASSICACEAE |
| Lesquerella montana (A. Gray) S. Watson |
BRASSICACEAE |
| Leucacantha cyanus (L.) Nieuwland & Lunell |
ASTERACEAE |
| Lithospermum incisum Lehmann |
BORAGINACEAE |
| Lomatium orientale Coulter & Rose |
APIACEAE |
| Lupinus argenteus Pursh |
FABACEAE |
| Lupinus pusillus Pursh |
FABACEAE |
| Machaeranthera pinnatifida (Hooker) Shinners |
ASTERACEAE |
| Melilotus albus Medicus |
FABACEAE |
| Mertensia lanceolata (Pursh) A. De Candolle |
BORAGINACEAE |
| Microsteris gracilis (Douglas ex Hooker) Greene ssp humilis (Greene) V. Grant |
POLEMONIACEAE |
| Monarda fistulosa L. var menthifolia (R. Graham) Fernald |
LAMIACEAE |
| Monarda pectinata Nuttall |
LAMIACEAE |
| Monroa squarrosa (Nuttall) Torrey |
POACEAE |
| Muhlenbergia asperifolia (Nees & Meyen ex Trinius) Parodi |
POACEAE |
| Muhlenbergia torreyi (Kunth) A. S. Hitchcock ex Bush |
POACEAE |
| Musineon divaricatum (Pursh) Rafinesque var divaricatum |
APIACEAE |
| Myriophyllum sibiricum Komarov |
HALORAGACEAE |
| Nassella viridula (Trinius) Barkworth |
POACEAE |
| Nepeta cataria L. |
LAMIACEAE |
| Nuttallia nuda (Pursh) Greene |
LOASACEAE |
| Nuttallia speciosa (Osterhout) Greene |
LOASACEAE |
| Oenothera albicaulis Pursh |
ONAGRACEAE |
| Oenothera nuttallii Sweet |
ONAGRACEAE |
| Oenothera villosa Thunberg ssp strigosa (Rydberg) Dietrich & Raven |
ONAGRACEAE |
| Oligosporus pacificus (Nuttall) Poljakov |
ASTERACEAE |
| Oreocarya suffruticosa (Torrey) Greene |
BORAGINACEAE |
| Orthocarpus luteus Nuttall |
SCROPHULARIACEAE |
| Oxytropis lambertii Pursh |
FABACEAE |
| Packera tridenticulata (Rydberg) Weber & Löve |
ASTERACEAE |
| Padus virginiana (L.) P. Miller ssp melanocarpa (A. Nelson) W. A. Weber |
ROSACEAE |
| Panicum virgatum L. |
POACEAE |
| Pascopyrum smithii (Rydberg) Löve |
POACEAE |
| Pediomelum esculentum (Pursh) Rydberg |
FABACEAE |
| Penstemon albidus Nuttall |
SCROPHULARIACEAE |
| Penstemon angustifolius Nuttall ex Pursh |
SCROPHULARIACEAE |
| Penstemon angustifolius Nuttall ex Pursh ssp caudatus (Heller) Keck |
SCROPHULARIACEAE |
| Penstemon secundiflorus Bentham in De Candolle |
SCROPHULARIACEAE |
| Persicaria lapathifolia (L.) S. Gray |
POLYGONACEAE |
| Persicaria maculata (L.) S. Gray |
POLYGONACEAE |
| Phyla cuneifolia (Torrey) Greene |
VERBENACEAE |
| Physalis hederifolia A. Gray var. comata (Rydberg) Waterfall |
SOLANACEAE |
| Physalis virginiana P. Miller |
SOLANACEAE |
| Picradeniopsis oppositifolia (Nuttall) Rydberg |
ASTERACEAE |
| Plantago major L. |
PLANTAGINACEAE |
| Poa pratensis L. |
POACEAE |
| Polypogon interruptus Humboldt, Bonpland & Kunth |
POACEAE |
| Portulaca oleracea L. |
PORTULACACEAE |
| Potamogeton crispus L. |
POTAMOGETONACEAE |
| Potentilla pensylvanica L. |
ROSACEAE |
| Prunella vulgaris L. |
LAMIACEAE |
| Psathyrostachys juncea (Fischer) Nevski |
POACEAE |
| Psilochenia occidentalis (Nutt.) Weber |
ASTERACEAE |
| Psoralidium tenuiflorum (Pursh) Rydberg |
FABACEAE |
| Puccinellia airoides Watson & Coulter |
POACEAE |
| Quincula lobata (Torrey) Rafinesque |
SOLANACEAE |
| Rhus aromatica Aiton ssp trilobata (Nuttall ex Torrey & Gray) W. A. Weber |
ANACARDIACEAE |
| Ribes americanum P. Miller |
GROSSULARIACEAE |
| Ribes aureum Pursh |
GROSSULARIACEAE |
| Rosa arkansana T. C. Porter |
ROSACEAE |
| Sagittaria latifolia Willdenow |
ALISMATACEAE |
| Salix exigua Nuttall ssp exigua |
SALICACEAE |
| Salsola collina Pallas |
CHENOPODIACEAE |
| Schedonnardus paniculatus (Nuttall) Trelease |
POACEAE |
| Schoenoplectus pungens (M. Vahl) Palla |
CYPERACEAE |
| Scutellaria brittonii T. C. Porter |
LAMIACEAE |
| Senecio spartioides Torrey & Gray |
ASTERACEAE |
| Setaria verticillata (L.) P. Beauvois |
POACEAE |
| Shinnersoseris rostrata (A. Gray) Tomb |
ASTERACEAE |
| Silene antirrhina L. |
CARYOPHYLLACEAE |
| Silene gallica L. |
CARYOPHYLLACEAE |
| Sisymbrium altissimum L. |
BRASSICACEAE |
| Solanum triflorum Nuttall |
SOLANACEAE |
| Solidago nana Nuttall |
ASTERACEAE |
| Sonchus asper (L.) J. Hill |
ASTERACEAE |
| Sparganium eurycarpum Engelmann ex A. Gray |
SPARGANIACEAE |
| Spartina pectinata Link |
POACEAE |
| Sphaeralcea coccinea (Pursh) Rydberg |
MALVACEAE |
| Sphenopholis obtusata (Michaux) Scribner |
POACEAE |
| Stephanomeria pauciflora (Torrey) A. Nelson |
ASTERACEAE |
| Symphoricarpos occidentalis Hooker |
CAPRIFOLIACEAE |
| Taraxacum officinale G. H. Weber ex Wiggers |
ASTERACEAE |
| Thalictrum dasycarpum Fischer & Ave-Lallemant |
THALICTRACEAE |
| Thelesperma filifolium (Hooker) A. Gray var intermedium (Rydberg) Shinners |
ASTERACEAE |
| Thlaspi arvense L. |
BRASSICACEAE |
| Tithymalus brachyceras (Engelmann) Small |
EUPHORBIACEAE |
| Tithymalus spathulatus (Lamarck) W. A. Weber |
EUPHORBIACEAE |
| Toxicoscordion venenosum (S. Watson) Rydberg |
MELANTHIACEAE |
| Tradescantia occidentalis (Britton) Smyth |
COMMELINACEAE |
| Triodanis perfoliata (L.) Nieuwland |
CAMPANULACEAE |
| Tripterocalyx micranthus (Torrey) Hooker |
NYCTAGINACEAE |
| Typha latifolia L. |
TYPHACEAE |
| Urtica gracilis Aiton ssp gracilis |
URTICACEAE |
| Vaccaria pyramidata Medicus |
CARYOPHYLLACEAE |
| Verbascum thapsus L. |
SCROPHULARIACEAE |
| Verbena hastata L. |
VERBENACEAE |
| Vexibia nuttalliana (B. Turner) W. A. Weber |
FABACEAE |
| Vicia americana Mühlenberg |
FABACEAE |
| Viola nuttallii Pursh |
VIOLACEAE |
| Viola sororia Willdenow var affinis (Le_Conte) McKinney |
VIOLACEAE |
| Vitis riparia Michaux ssp riparia |
VITACEAE |
| Xanthium strumarium L. |
ASTERACEAE |
| Ximenesia encelioides Cavanilles |
ASTERACEAE |
| Yucca glauca Nuttall in Fraser |
AGAVACEAE |
