Funastrum utahense, synonym Cynanchum utahense, is a species of flowering plant in the genus Funastrum of the family Apocynaceae, known by the common names Utah swallow-wort and Utah vine milkweed. This relatively uncommon perennial vine is native to the Mojave Desert from California, Nevada, Utah and Arizona in the United States. This is a small vine with a highly branched, twining stem rarely exceeding a meter in length with which it physically supports itself on other shrubs and trees. It has small narrow leaves a few centimeters long. Its flowers are bright yellow to orange and grow in umbels. The fruit is a grooved follicle several centimeters long.
Ageratina herbacea is a North American species of flowering plants in the family Asteraceae known by the common names fragrant snakeroot and Apache snakeroot. It is native to desert regions of the southwestern United States and northern Mexico. It grows in rocky slopes in conifer forests and woodlands.
Symphyotrichum eatonii is a species of aster known by the common name Eaton's aster. It is native to much of western North America from British Columbia to Saskatchewan, the Sierra Nevada in California, the Rocky Mountains region, to Arizona and New Mexico, where it grows in many habitats, especially wet areas such as meadows and near ditches.
Balsamorhiza macrolepis is a species of flowering plant in the tribe Heliantheae of the family Asteraceae, known by the common name California balsamroot. It is found only in California, where it grows in dry, open habitat, mostly in mountainous areas, mostly in the western foothills of the Sierra Nevada and in the eastern Coast Ranges near San Francisco Bay. It is now becoming rare in the Coast Ranges.
Calochortus nudus is a North American species of flowering plant in the lily family known by the common name naked mariposa lily.
Calochortus vestae is a California species of flowering plants in the lily family known by the common name coast range mariposa lily. It is grows primarily in the forests of the North Coast Ranges of California, with additional populations in the southernmost Cascades in Shasta County and also in foothills of the Sierra Nevada. It generally grows in clay soils.
Chaenactis alpigena is a species of flowering plant in the daisy family known by the common name southern Sierra pincushion. It is native to the High Sierra Nevada and the White Mountains of California, extending in the latter just into Nevada.
Chrysothamnus viscidiflorus is a species of shrub in the family Asteraceae of the Americas known by the common names yellow rabbitbrush and green rabbitbrush.
Cirsium mohavense is a species of thistle known by the common names virgin thistle and Mojave thistle. It is native to the southwestern United States, where it grows in moist areas in otherwise dry habitat, such as desert springs. It is most common in the Mojave Desert, found also in the southern Great Basin and other nearby regions of California, Nevada, western Arizona, and southwestern Utah.
Enceliopsis nudicaulis is a North American species of flowering plants in the family Asteraceae known by the common name nakedstem sunray, or naked-stemmed daisy.
Glossopetalon spinescens, syn. Forsellesia spinescens, is a species of flowering shrub in the family Crossosomataceae known by the common names greasebush, spiny greasebush, Nevada greasewood and spring greasebush.
Lewisia longipetala is a rare species of flowering plant in the family Montiaceae known by the common names long-petalled lewisia and Truckee lewisia. It is endemic to the Sierra Nevada of California, where it is known from less than 20 locations in areas not far from Lake Tahoe. It grows in subalpine and alpine climates in moist areas in rocky habitat, such as talus that retains patches of snow year-round. Most specimens grow on north-facing slopes with little surrounding vegetation. The plant thrives in the snow, growing largest and most densely in areas of high snowpack and becoming easily water-stressed when far away from areas with snow.
Mimetanthe is a genus of flowering plants in the family Phrymaceae. It has only one species, Mimetanthe pilosa, synonym Mimulus pilosus, known by the common names false monkeyflower and downy mimetanthe. It is native to the western United States and Baja California, where it grows in moist and disturbed habitat types. This plant is different enough from other monkeyflowers that it is treated in its own monotypic genus, Mimetanthe, or it may be retained in Mimulus.
Nama rothrockii is a species of flowering plant in the borage family known by the common name Rothrock's fiddleleaf. It is native to the mountains and plateaus of eastern California, such as the southern Sierra Nevada, and western Nevada and Arizona, where it grows in several types of local habitat.
Quercus turbinella is a North American species of oak known by the common names shrub oak, turbinella oak, shrub live oak, and gray oak. It is native to Arizona, California, New Mexico, Utah, Colorado, and Nevada in the western United States. It also occurs in northern Mexico.
Amoreuxia gonzalezii is a rare species of flowering plant in the Bixaceae known by the common names Santa Rita mountain yellowshow, Santa Rita throwup weed, saiya and temaqui. It is native to Sonora in Mexico, its distribution extending just above the border into Arizona in the United States, where it occurs in the Santa Rita Mountains of Pima and Santa Cruz Counties. It has also been found in the States of Sinaloa and Jalisco to the south. It is also present in the Sierra de la Laguna of Baja California Sur.
Holodiscus dumosus is a species of flowering plant in the rose family, with the common names mountain spray, rock-spiraea, bush oceanspray, and glandular oceanspray.
Berberis harrisoniana is a rare species of flowering plant in the barberry family, Berberidaceae. It is known by the common names Kofa barberry, Kofa Mountain barberry, Harrison's barberry, and red barberry.
Apacheria chiricahuensis is a species of flowering plant in the family Crossosomataceae. It is the only species in the monotypic genus Apacheria. It is known by the common names Chiricahua rock flower, cliff brittlebush, and Apache bush. The genus is named in honor of the Apache people who inhabit the region; the specific epithet refers to the Chiricahua Mountains in Cochise County, Arizona.
Symphyotrichum spathulatum is a species of flowering plant in the family Asteraceae native to western North America including northwestern Mexico. Commonly known as western mountain aster, it is a perennial, herbaceous plant that may reach 20 to 80 centimeters tall. Its flowers, which open in July and August, have violet ray florets and yellow disk florets.
