Penstemon barbatus, known by the common names golden-beard penstemon, and beardlip penstemon, is a flowering plant native to the western United States.
Hesperocyparis arizonica, the Arizona cypress, is a North American species of tree in the cypress family Cupressaceae, native to the southwestern United States and Mexico. Populations may be scattered rather than in large, dense stands.
Robinia neomexicana, the New Mexican, New Mexico, Southwest, desert, pink, or rose locust, is a shrub or small tree in the subfamily Faboideae of the family Fabaceae.
Lupinus sulphureus is a species of lupine, a flowering plant of the legume family, Fabaceae.
Carex spissa is a species of sedge known by the common name San Diego sedge in the family Cyperaceae. It is native to the southwestern United States in California, Arizona, and New Mexico, and far northern Mexico. It grows in wet places such as seeps and streambanks, sometimes on serpentine soils. This sedge looks somewhat like a cattail. It produces angled stems easily exceeding a meter in height surrounded by leathery green to reddish leaves up to about 1.2 meters long. The inflorescence is up to 80 centimeters long, with many long reddish brown flower spikes, each holding up to 300 developing fruits.
Penstemon eatonii is a species of flowering plant in the genus Penstemon, known by the common name firecracker penstemon. It is native to the Western United States from Southern California to the Rocky Mountains. It grows in many types of desert, woodland, forest, and open plateau habitat.
Sclerocactus polyancistrus, the Mohave fishhook cactus or redspined fishhook cactus, is a species of flowering cactus in the genus Sclerocactus. It is found in the Mojave Desert in the Southwestern United States.
Acamptopappus sphaerocephalus is a species of flowering plant in the family Asteraceae known by the common name rayless goldenhead. It is native to the southwestern United States, where it occurs in southern California, southern Nevada, southern Utah, and Arizona.
Cosmos parviflorus, commonly known as the southwestern cosmos, is an annual, herbaceous, flowering plant in the Asteraceae family. It is native to parts of the Southwestern United States and most of Mexico and appears to be introduced in portions of the Northeastern United States.
Opuntia macrorhiza is a common and widespread species of cactus with the common names plains pricklypear or prairie pricklypear or western pricklypear. It is found throughout the Great Plains of the United States, from Texas to Minnesota, and west into the Rocky Mountain states to New Mexico, Utah, and perhaps Idaho, with sporadic populations in the Mississippi and Ohio Valleys. It is also reported from northern Mexico in the states of Chihuahua, Sonora, Coahuila, Nuevo León, Durango, Tamaulipas, and San Luís Potosí., though all Arizona and Mexican records should be considered with caution due to confusion with other similar species. The species is cultivated as an ornamental in other locations.
Allium bigelovii, the New Mexico wild leek, is a plant species native to Arizona and southwestern New Mexico. It grows on open, gravelly slopes at elevations of 500–1,700 m (1,600–5,600 ft).
Bidens bigelovii, commonly called Bigelow's beggarticks, is an annual herbaceous flowering plant in the Asteraceae family. It is native to the southwestern and south-central United States and as far south as Oaxaca, Mexico.
Bidens heterosperma, commonly known as the Rocky Mountain beggarticks, is an annual or perennial, herbaceous, flowering plant in the family Asteraceae, tribe Coreopsideae. It is native to northwestern and north-central Mexico, and portions of the southwestern United States.
Bidens leptocephala, commonly known as the fewflower beggarticks, is an annual herbaceous flowering plant in the Asteraceae family. It is native to the southwestern United States and northern Mexico.
Hymenothrix dissecta is a North American species of flowering plants in the family Asteraceae known by the common names yellow ragweed and ragleaf bahia. It is native to the western United States as far north as the Black Hills of South Dakota and Wyoming, as well as in northern Mexico.
Hymenothrix wrightii, commonly known as Wright's hymenothrix or Wright's thimblehead, is a North American species of flowering plant in the daisy family. It grows in northwestern Mexico and the southwestern United States.
Hymenothrix wislizeni, the Trans-Pecos thimblehead, is a North American species of flowering plant in the daisy family. It grows in northwestern Mexico and the southwestern United States.
Ribes wolfii is a North American species of currant known by the common names Wolf's currant and Rothrock currant. It is native to the western United States. The distribution is disjunct or discontinuous, with two distinct concentrations of populations separate by a gap of over 320 km. One is in northern Idaho, northeastern Oregon, and southeastern Washington. The other is in Utah, Colorado, Arizona, and New Mexico. There is also a report of an isolated population south of the border in Chihuahua, Mexico.
Anemone berlandieri, commonly known as tenpetal thimbleweed or tenpetal anemone, is a rhizomatous perennial flowering plant in the buttercup family Ranunculaceae. It is native to much of the Southern United States, where it flowers in the late winter and spring, between February and April. The specific epithet berlandieri honors Jean-Louis Berlandier (1803–1851), a botanist who explored Texas and Mexico in the nineteenth century.
Aquilegia desertorum, the desert columbine, is a perennial species of flowering plant in the family Ranunculaceae, native to the Southwestern United States.
