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Clarkia amoena, commonly known as farewell to spring, godetia, or satin flower, is a species of flowering plant in the family Onagraceae. It is native to western North America. It is found in coastal hills and mountains from British Columbia south to the San Francisco Bay Area of California. This annual herb produces showy pink to lavender flowers and is known for its late spring to early summer blooming period. The species was formerly classified in the genus Godetia, and is still sometimes referred to by the synonym Godetia amoena.

Allium textile (prairie onion or textile onion) is a common species of wild onion found in the central part of North America.

Maianthemum dilatatum (snakeberry, two-leaved Solomon's seal, false lily of the valley, or western lily of the valley) is a common rhizomatous perennial flowering plant that is native to western North America from northern California to the Aleutian Islands, and Asia across the Kamchatka Peninsula, Japan, and Korea. It grows in coastal temperate rainforests, and is often the dominant groundcover plant in Sitka Spruce forests.

Enceliopsis is a small genus of flowering plants in the family Asteraceae. They are sometimes called sunrays. They are similar to the daisylike plants in the related genus Encelia. These three shrubs are native to the western United States and Canada. Species Enceliopsis argophylla - silverleaf sunray - Arizona (Mohave Co), Nevada (Clark Co), Utah (Washington Co) Enceliopsis covillei - Panamint daisy - Inyo County in California Enceliopsis nudicaulis - nakedstem sunray - California, Arizona, Nevada, Utah, Colorado, Idaho

Artemisia nova is a North American species of sagebrush, known by the common name black sagebrush. It is "one of the most common shrubs in the western United States".

Viola vallicola, the sagebrush violet, yellow sagebrush violet or valley violet, is a perennial plant in the Violet family (Violaceae). It is native to Western and Central North America. Varieties of sagebrush violet include: Viola vallicola A. Nelson var. major (Hook.) Fabijan Viola vallicola A. Nelson var. vallicola

Tonestus, common name serpentweed, is a genus of North American flowering plants in the family Asteraceae. The name is an anagram of the name of the related genus Stenotus. Nestotus is similarly another anagram of the same name. Species Tonestus lyallii (A.Gray) A.Nelson - Alberta, British Columbia, WA OR ID MT CO WY NV CA Tonestus pygmaeus (Torr. & A.Gray) A.Nelson - MT WY CO NM formerly included now in Eurybia Lorandersonia Toiyabea Triniteurybia Tonestus aberrans (A.Nelson) G.L.Nesom & D.R.Morgan - Triniteurybia aberrans Tonestus alpinus (L.C.Anderson & Goodrich) G.L.Nesom & D.R.Morgan -

Salvia summa, the great sage or supreme sage, is a herbaceous perennial plant that is native to a small area in southern New Mexico, an adjacent area in northern Texas, and in Chihuahua, Mexico. The plant grows on limestone cliffs in part shade at 1,520 to 2,140 m (4,990 to 7,020 ft) elevation. Salvia summa grows up to 30 cm (12 in) tall. The pink or pale lavender corolla is 35 to 45 mm (1.4 to 1.8 in) long, spotted with red in the throat, blooming in March–April. It is somewhat similar to Salvia henryi, which has red flowers and a shorter lower lip, and which grows in the same habitat.

Erythronium multiscapideum is a California species of flowering plant in the lily family which is known by the common name Sierra fawn lily. It is endemic to California, where it grows in the foothills of the southern Cascade Range and the Sierra Nevada. Its primary range extends from Shasta County to Amador County with additional populations in Mariposa County.

Aquilegia laramiensis is a species of flowering plant in the buttercup family known by the common name Laramie columbine. It is endemic to Wyoming in the United States, where it is known only from the Laramie Mountains. This rhizomatous perennial herb produces stems up to 25 centimeters (9.8 in) long. The leaves are compound, divided into leaflets. The nodding flowers have greenish white or lavender sepals up to 1.5 centimeters (0.59 in) in length. The cream-colored to lavender petals are up to 1.2 centimeters (0.47 in) long and have thick, hooked spurs. The fruit is a follicle up to 1.4

Ephedra fasciculata is a species of plant in the Ephedraceae family. Common names are Arizona ephedra, Arizona joint-fir, and desert Mormon-tea.

Cardionema ramosissimum is a perennial plant in the family Caryophyllaceae, commonly known as sandcarpet, sandmat or tread lightly. It is a small, clumping, mat-forming plant found in a number of diverse habitats throughout its range, from sandy beaches and dunes to the high elevations of the Andes mountains. Cardionema ramosissimum has a disjunct distribution throughout the Americas, and is found on the Pacific coast of North America from Puget Sound to Baja California, in central Mexico, and widely across South America, from the Andes in Colombia to most of Argentina.

Ranunculus jovis is a species of buttercup known by the common name Utah buttercup or Jupiter buttercup. It is native to the mountains west of the United States, from Nevada to Wyoming. It is a small plant, growing a few centimeters tall on hairless stems with a few deeply divided fingerlike leaves at the base. It produces yellow flowers with five rounded petals, yellow stamens around a central nectary.

Juncus saximontanus is a species of rush known by the common name Rocky Mountain rush. It is native to much of western North America from Alaska to central Mexico, where it grows in wet habitat, often in mountainous areas, such as bogs and moist meadows. This is a rhizomatous perennial herb producing a clump of stems up to about 60 centimeters tall. The inflorescence is made up of several oval or spherical heads containing up to 25 flowers each. The flower has narrow, pointed brown segments not more than about 3 millimeters long. This rush is sometimes treated as a variety of Juncus

Clarkia purpurea is a species of wildflower known by the common names winecup clarkia, winecup fairy fan, and purple clarkia. This annual plant is native to western North America, including: Baja California; California; Arizona; Oregon; Washington; and British Columbia, and is found in diverse habitats. In the California Floristic Province it is found in all the zones, except the deserts, from the coasts to high interior mountains, including the Sierra Nevada.

Clarkia biloba is a species of flowering plant in the evening primrose family known by the common name twolobe clarkia and two lobed clarkia. Clarkia biloba is endemic to California, where it is known from the Sierra Nevada foothills; one subspecies can also be found in the San Francisco Bay Area. It grows in chaparral, oak woodlands, and yellow pine forest habitats. As the putative progenitor species of Clarkia lingulata it is often used in examples of evolution outside the usual model of allopatric speciation. As such this plant is one of the best plant examples when considering "quantum

Chenopodium desiccatum is a species of flowering plant in the family Amaranthaceae known by the common names aridland goosefoot and slimleaf goosefoot. It is native to parts of western North America, including sections of the Western United States and southern Western Canada. It grows naturally in open land such as prairie and dunes, chaparral, adapts well to disturbed areas such as roadsides, and in montane habitats such as in the Transverse Ranges and Sierra Nevada of California.

Calochortus bruneaunis is a species of flowering plant in the lily family, and is known by the common name Bruneau mariposa lily.

Atriplex pacifica is a species of saltbush known by the common names Davidson's saltbush, South Coast saltbush, and Pacific orach. It is native to the coastline of Southern California, including the Channel Islands, and Baja California, where it grows in saline habitat on the immediate coastline, such as beach bluffs. It is an uncommon plant, chiefly because much of its native habitat has been drastically altered. This is a mat-forming annual herb producing scaly, reddish green, prostrate stems 10 to 30 centimeters long. The leaves are less than 2 centimeters long, usually oval, with

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Amsinckia menziesii, commonly known as fiddleneck or rancher's fireweed, is a species of flowering plant in the family Boraginaceae, the borage or forget-me-not family.

Thelypodium milleflorum is a species of flowering plant in the mustard family known by the common names manyflower thelypody and many-flowered thelypodium. It is native to western North America, particularly the Great Basin and surrounding plateau, desert, and foothill habitat, where it grows in sagebrush and scrub.

Sphaeralcea parvifolia, commonly called small-leaved globe-mallow or small-leaf globemallow, is a species of plant native to the western United States in the Great Basin and Colorado River drainage. It is medium sized herbaceous species that has showy orange flower spikes. It is used in wildflower and dry gardens.

Salicornia rubra, commonly known as the red glasswort or Rocky Mountain glasswort, is a species of flowering plant in the family Amaranthaceae. It is native to colder or higher areas of North America; the Yukon, Nunavut, British Columbia, Alberta, Saskatchewan, Manitoba, and Ontario in Canada, and the western and north-central United States. It has been introduced to Quebec and Michigan, and has gone extinct in Illinois. A halophyte, it is one of the most salt-tolerant plants of North America.

Phacelia argentea is a rare species of phacelia known by the common names sand dune phacelia and silvery phacelia. It is native to the coastline of southwestern Oregon and far northwestern California, where it was counted at a total of 33 sites in 1995. It is the only phacelia species endemic to coastal sand dune habitat, an ecosystem which is altered and declining in the area. This is a hairy, fleshy perennial herb growing prostrate or upright to a maximum length near 45 centimeters. The leaves are thick and coated in long, straight, silvery hairs. They are roughly oval, pointed or rounded

Perideridia parishii is a species of flowering plant in the family Apiaceae known by the common name Parish's yampah. It is native to mountainous regions of the southwestern United States, where it grows in forests and other habitat. It is a perennial herb growing up to 90 centimeters tall, its slender green stem growing from a small tuber. Leaves near the base of the plant have blades 10 to 20 centimeters long divided into pairs of leaflets, which may be subdivided or lobed. The inflorescence is a compound umbel of many spherical clusters of small white flowers. These yield ribbed, round or

Penstemon radicosus, the matroot penstemon, is a species of plant in the veronica family from the Rocky Mountains and northern Great Basin.

Penstemon crandallii, also known as Crandall's penstemon, is a species of penstemon that grows in western Colorado and small parts of New Mexico and Utah. It is a low growing plant with blue to purple flowers.

Mortonia utahensis is a species of flowering plant in the family Celastraceae known by the common name Utah mortonia. It is native to the southwestern United States, where it grows in desert and mountain scrub and woodland, often on limestone substrates. It is a broomlike shrub growing erect to a maximum height near 1.2 meters. Its branching stems are white to gray in color and rough-haired. The thick, curling, concave leaves are oval in shape, pointed or rounded at the tip, and up to about 1.5 centimeters long. The inflorescence is a narrow panicle of many flowers with five rough greenish

Lepidium papilliferum is a rare species of flowering plant in the mustard family known by the common names Idaho pepperweed and slickspot peppergrass. It is endemic to Idaho in the United States, where it is mostly limited to a specific habitat type in the southwestern part of the state. It was federally listed as a threatened species in 2009. This is an herb growing just a few centimeters to over 20 centimeters tall, and known to approach 40 centimeters. The leaves are divided into many subdivided lobes, the largest blades measuring 4 centimeters in length. The inflorescence is a raceme of