Tamarisk, Saltcedar
Tamarix chinensis
Floodplains, riverbanks, ditches
Prairie Skeletonplant
Stephanomeria pauciflora
Gravelly and sandy soil in canyons
Showy Milkweed
Asclepias speciosa
Moist, disturbed soil, roadsides
Tree Cholla
Cylindropuntia imbricata
Dry, disturbed, over-grazed areas
Wild Rose
Rosa woodsii
Dry slopes, along roadsides
Mountain Mahogany
Cercocarpus montanus
Dry areas, washes, rocky slopes
Indian Hemp
Apocynum cannabinum
Gravelly, sandy soil by roadsides, ditches
Spectacle Pod, Tourist Plant
Dimorphocarpa wislizeni
Dry sandy areas, roadsides
Sacred Datura, Jimson Weed
Datura wrightii
Sunny, sandy, dry areas, waste ground
Bastard Toadflax
Comandra umbellata
Sunny, sandy, dry areas, waste ground
Rose Heath
Chaetopappa ericoides
Dry open areas, roadsides
Yerba Mansa
Anemopsis californica
Wet alkaline or saline soil
Water Hemlock
Cicuta maculata
Wet soil, marshes, ditches
English Plantain
Plantago lanceolata
Lawns, meadows, roadsides
Pale Evening PrimroseOenothera pallidaSandy areas, ditches, stream banks
Woolly PlantainPlantago patagonicaSandy areas, canyons
Silverleaf Nightshade
Solanum elaeagnifolium
Disturbed soil, roadsides
Silvery Lupine
Lupinus argenteus
Sagebrush scrub and forest openings
Water Speedwell
Veronica anagallis-aquatica
Shallow water, moist areas, stream sides
Stiff Blue-eyed Grass
Sisyrinchium demissum
Moist areas, seeps, stream banks
Wild SweetpeaLathyrus eucosmusGullies, open woods
Silverweed
Argentina anserina
Sandy, moist areas
Desert Prickly Pear
Opuntia phaeacantha
Dry areas, rocky slopes, open woodlands
Yellow Salsify
Opuntia phaeacantha
Meadows and disturbed soil
Cota, Hopi Tea
Thelesperma megapotamicum
Sunny, sandy, dry areas, roadsides
Wild Asparagus
Asparagus officinalis
Roadsides, fields, ditches
Plains Prickly Pear
Opuntia polyacantha
Dry areas, sand, rocky slopes
Tall Tumble MustardSisymbrium altissimumSandy, rocky, disturbed soil
Coyote WillowSalix exiguaMoist areas
Mexican Hat
Ratibida columnifera
Dry slopes, by roadsides
Small-leaf Globemallow
Sphaeralcea parvifolia
Sunny, sandy, dry areas, roadsides
Swainsonpea, Austrian Peaweed
Sphaerophysa salsula
Disturbed moist areas, roadsides, ditches
Western Dock
Rumex occidentalis
Wet areas, riverbanks, ditches
Curly Dock
Rumex crispus
Disturbed soil, waste areas, fields