Crepis occidentalis is a North American species of flowering plant in the daisy family known by the common names western hawksbeard,:119 or largeflower hawksbeard. It is native to western Canada (British Columbia, Alberta, Saskatchewan) and the western United States (from the Pacific to the western Great Plains).
Crepis acuminata is a North American species of flowering plant in the daisy family known by the common name tapertip hawksbeard. It is native to the western United States where it grows in many types of open habitat.
Cryptantha pterocarya is a species of flowering plant in the borage family known by the common name wingnut cryptantha. It is native to the western United States where it grows in many types of habitat. It is an annual herb producing a stem with a few branches that reaches up to about 40 centimeters in maximum height. The leaves are linear to oblong in shape and up to 5 ...more ↓
Toxicoscordion venenosum, with the common names death camas and meadow death camas, is a species of flowering plants in the genus Toxicoscordion, of the Melanthiaceae family. It is native to western North America.
Astragalus purshii is a species of milkvetch known by the common names woollypod milkvetch and Pursh's milkvetch.
Purshia tridentata, with the common name bitterbrush, is a shrub in the genus Purshia of the family Rosaceae. It is native to mountainous areas of western North America.
Prunus andersonii is a species of shrub in the rose family, part of the same genus as the peach, cherry, and almond. Its common names include desert peach and desert almond. It is native to eastern California and western Nevada, where it grows in forests and scrub in desert and mountains.
Linanthus pungens (syn. Leptodactylon pungens) is a species of flowering plant in the phlox family known by the common names granite prickly-phlox and granite gilia. It is native to western North America from British Columbia to Baja California and east to Montana and New Mexico.
Gilia inconspicua is a species of flowering plant in the phlox family known by the common name shy gilia. It is native to the western United States, where it grows in sandy, open areas such as sagebrush and plateau.
Eriastrum sparsiflorum is an annual plant in the phlox family (Polemoniaceae) that grows in Great Basin of the western United States.:41
Mentzelia albicaulis is a species of flowering plants in the family Loasaceae known by the common names whitestem blazingstar, white-stemmed stickleaf, and small flowered blazing star. It is native to much of western North America, where it grows in mountain, desert, and plateau habitat.
Opuntia polyacantha is a common species of cactus known by the common names plains pricklypear, hairspine cactus, panhandle pricklypear, and starvation pricklypear. It is native to North America, where it is widespread in Western Canada, the Great Plains, the central and Western United States, and Chihuahua in northern Mexico.
Eriogonum is the scientific name for a genus of flowering plants in the family Polygonaceae. The genus is found in North America and is known as wild buckwheat. This is a highly species-rich genus, and indications are that active speciation is continuing. It includes some common wildflowers such as the California buckwheat (Eriogonum fasciculatum).
Eriogonum ovalifolium is a species of wild buckwheat known by the common name cushion buckwheat. It is native to western North America from California to Alberta, where it is a member of many plant communities in varied habitats.
Eriogonum baileyi is a species of wild buckwheat known by the common name Bailey's buckwheat. It is native to the western United States, where it is a common member of the flora in several types of sandy habitat, such as desert and sagebrush. This is an annual herb producing a spreading to erect, often wool-coated stem up to about half a meter tall. The rounded, woolly ...more ↓
Eriogonum nidularium is a species of wild buckwheat known by the common name birdnest buckwheat. It is native to the sandy flats and desert dry washes of the Mojave Desert and Great Basin in the western United States, where it is common and abundant. This is a distinctive annual herb producing a thin, multibranched stem which curves in on itself to form a rounded, tangled ...more ↓
Atriplex confertifolia (shadscale) is a species of evergreen shrub in the Chenopodiaceae family, which is native to the western United States and northern Mexico....
Grayia spinosa is a species of the genus Grayia of the subfamily Chenopodioideae in flowering plant family Amaranthaceae, which is known by the common names hop sage and spiny hop sage. It is widely distributed across the Western United States, where it grows in a number of desert and mountain habitats.
Krascheninnikovia lanata is a species of flowering plant in the amaranth family (Amaranthaceae), known by the common name winterfat. It is native to much of western North America: from central Western Canada; through the Western United States; to northern Mexico.
Kali tragus is a species of flowering plant in the family Amaranthaceae. It is known by various common names such as prickly Russian thistle, windwitch, or common saltwort. It is widely known simply as tumbleweed because in many regions of the United States, it is the most common and most conspicuous species of tumbleweed. Informally, it also is known ...more ↓
Halogeton glomeratus is a species of flowering plant in the amaranth family known by the common names saltlover, Aral barilla, and halogeton. It is native to Russia and China, but the plant is probably better known in the western United States, where it is an introduced species and a notorious noxious weed. This annual herb is a hardy halophyte, thriving in ...more ↓
Sarcobatus, is a North American genus of two species of flowering plants, formerly considered to be a single species. Common names for S. vermiculatus include greasewood, seepwood, and saltbush. Traditionally, Sarcobatus has been treated in the family Chenopodiaceae, but the APG III system of 2009 recognizes it as the sole genus in the family ...more ↓
Pleiacanthus is a monotypic genus of flowering plants in the aster family containing the single species Pleiacanthus spinosus (formerly Stephanomeria spinosa), which is known by the common name thorn skeletonweed, or thorny skeletonweed. It is native to the western United States from Montana and Idaho to southern California and Arizona, where ...more ↓
Artemisia arbuscula is a North American species of sagebrush known by the common names little sagebrush, low sagebrush, or black sagebrush. It is native to the western United States from Washington, Oregon, and California east as far as Colorado and Wyoming. It grows in open, exposed habitat on dry, sterile soils high in rock and clay content.
Artemisia spinescens is a North American species of sagebrush in the sunflower family, known by the common name budsage.
A widespread sagebrush species in Nevada, but primarily confined to higher elevation and precipitation zones, growing on mountain slopes. Leaves are persistent and have a minty aroma. Inflorescences are erect and candle-like.
Ericameria nauseosa (formerly Chrysothamnus nauseosus), commonly known as Chamisa, rubber rabbitbrush, and gray rabbitbrush, is a North American shrub in the sunflower family (Aster). It grows in the arid regions of western Canada, western United States (from the western Great Plains to the Pacific) and northern Mexico.
Chrysothamnus viscidiflorus is a North American species of shrub in the daisy family known by the common names yellow rabbitbrush and green rabbitbrush.
Erigeron aphanactis is a species of flowering plant in the daisy family (Asteraceae) known by the common name rayless daisy,:121 or rayless shaggy fleabane. This wildflower is native to the western United States, primarily the Great Basin and Colorado Plateau regions (eastern California, Nevada, Utah, western Colorado, northeastern Arizona, northwestern New Mexico, ...more ↓
Tetradymia argyraea is a species of flowering plant in the aster family known by the common names spineless horsebrush and gray horsebrush. It is native to western North America from British Columbia to California to New Mexico, where it grows in sagebrush, woodlands, forest, scrubby open plains, and other habitat. It is a bushy shrub growing to 60 to 80 ...more ↓
Tetradymia glabrata is a species of flowering plant in the aster family known by the common name littleleaf horsebrush. It is native to the western United States, especially the Great Basin and Mojave Desert. Its habitat includes sagebrush, woodlands, and scrub. It is an erect, bushy shrub growing to a maximum height over one meter, its stems coated unevenly in white ...more ↓
Chaenactis stevioides, with the common names Esteve's pincushion and desert pincushion, is a species of flowering plant in the daisy family.
Erodium cicutarium, also known as redstem filaree, redstem stork's bill, common stork's-bill or pinweed, is a herbaceous annual – or in warm climates, biennial – member of the family Geraniaceae of flowering plants. It is native to the Mediterranean Basin and was introduced to North America in the eighteenth century, where it has since become ...more ↓
Sphaeralcea ambigua, commonly known as desert globemallow or apricot mallow, is a member of the genus Sphaeralcea in the mallow family (Malvaceae).
Cryptantha is a genus of flowering plants in the borage family, Boraginaceae. They are known commonly as cat's eyes and popcorn flowers (the latter name is also used to refer to the closely related genus Plagiobothrys). They are distributed throughout western North America and western South America, but they are absent from the regions in between.
Amsinckia tessellata is a species of fiddleneck known by the common names bristly fiddleneck, tessellate fiddleneck, checker fiddleneck, and devil's lettuce.
Descurainia pinnata is a species of flowering plant in the mustard family known by the common name western tansymustard. It is native to North America, where it is widespread and found in varied habitats. It is especially successful in deserts. It is a hardy plant which easily becomes weedy, and can spring up in disturbed, barren sites with bad soil. This is a hairy, ...more ↓
Sisymbrium altissimum is a species of Sisymbrium. The plant is native to the western part of the Mediterranean Basin in Europe and Northern Africa and is widely naturalized throughout most of the world, including all of North America. It was probably introduced into North America by a contaminant crop seed. The plant grows in soils of all textures, even sand. The plant ...more ↓
Poa secunda (variously known by the common names of Sandberg bluegrass, alkali bluegrass, big bluegrass, Canby's bluegrass, Nevada bluegrass, one-sided bluegrass, Pacific bluegrass, pine blugrass, slender bluegrass, wild bluegrass, and curly bluegrass.) is a widespread species of grass native to North ...more ↓
Bromus tectorum, known as drooping brome or cheatgrass, is a winter annual grass native to Europe, southwestern Asia, and northern Africa, but has become invasive in many other areas. It now is present in most of Europe, southern Russia, Japan, South Africa, Australia, New Zeland, Iceland, Greenland, North America and Asia. In the eastern US B. tectorum is ...more ↓
Elymus elymoides is a species of wild rye known by the common name squirreltail. This grass is native to most of North America west of the Mississippi River and occurs in a number of ecosystems, from the alpine zone to desert sage scrub to valley grassland.
Hesperostipa comata, commonly known as needle-and-thread grass, is a species of grass native to North America, especially the western third. It has a wide distribution spanning from northern Canada to Mexico.
Oryzopsis hymenoides (syn: Stipa hymenoides or Achnatherum hymenoides, common names: Indian ricegrass and sand rice grass) is a cool-season, perennial bunchgrass with narrow, rolled leaf blades. It is native to western North America east of the Cascades from British Columbia and Alberta south to southern California, northeastern Mexico, and Texas. In ...more ↓
Hilaria jamesii (formerly Pleuraphis jamesii) is a species of grass known by the common name James' galleta.