Allium haematochiton is a North American species of wild onion known by the common name redskin onion. It is native to northern Baja California, Sonora, and southern California as far north as Kern County. It grows on the slopes of the hills and mountains, such as those of the Peninsular Ranges, Transverse Ranges, and southern California Coast Ranges.
Juncus capitatus is a species of rush known by the common names dwarf rush and leafybract dwarf rush. It is native to Europe, Asia and North Africa. It is also an introduced species in parts of North America such as California and the Gulf Coast. It grows in moist areas, such as wet sand, vernal pools, and ditches.
Brodiaea insignis is a rare species of flowering plant in the cluster-lily genus known by the common name Kaweah brodiaea. It is endemic to the Sierra Nevada foothills of central Tulare County, California, where it grows along the Tule and Kaweah Rivers. It is considered endangered on the state level.
Lessingia leptoclada is a species of flowering plant in the daisy family known by the common name Sierra lessingia. It is endemic to the Sierra Nevada of California, where it is known from several types of local habitat. This is a slender annual herb growing erect and varying in size from just a few centimeters to nearly a meter tall, with long, spreading branches. It is very glandular and often hairy or woolly in texture. The upper leaves are up to 5 centimeters long, narrow and sometimes toothed or lobed; the lower leaves are longer and wither early. The flower heads appear singly or in small clusters. Each head is lined with woolly phyllaries. The head is discoid, containing no ray florets but many funnel-shaped pinkish, lavender, or light bluish-purple disc florets with large lobes. The fruit is an achene with a whitish pappus of bristles.
Acmispon cytisoides, synonyms Lotus benthamii and Syrmatium cytisoides, is a species of legume native to California. It is known by the common names Bentham's broom and Bentham's deerweed. It is endemic to central California, where it occurs along the Central Coast and into the coastal mountain ranges. It grows in oceanside habitat and inland on slopes and in canyons. It is a mat-forming or spreading perennial herb lined with leaves each made up of a few oval leaflike leaflets up to 12 mm long. The inflorescence bears up to 10 dull pinkish dark-veined flowers, each just under 1 cm long.
Orobanche parishii is a species of broomrape known by the common names Parish's broomrape and short-lobed broomrape. It is native to the coast and mountains of California and Baja California, where it is a parasite growing attached to the roots of other plants, usually shrubs of the Asteraceae, such as Menzies' goldenbush. This plant produces usually one thick, hairy, glandular, pale yellowish stem up to about 26 centimetres (10 in) tall. As a parasite taking its nutrients from a host plant, it lacks leaves and chlorophyll. The inflorescence is a dense cluster of flowers accompanied by dark-veined oval bracts. Each flower has a calyx of triangular sepals and a tubular corolla roughly 2 centimetres (0.8 in) long, pale brownish or pinkish in color with red veining.
Orobanche vallicola is a species of broomrape known by the common name hillside broomrape.
Psorothamnus polydenius is a species of flowering plant in the legume family known by the common names Nevada dalea and Nevada indigobush. It is native to the deserts of the southwestern United States from the Mojave Desert in California to Utah.
Ranunculus andersonii is a species of buttercup known by the common name Anderson's buttercup. It is native to the western United States, including the Great Basin and surrounding regions, where it grows in sagebrush, woodlands, and other habitat. It is a perennial herb producing a basal rosette of thick leaves which are each divided into three double-lobed leaflets at the end of a petiole. The inflorescence arises from the rosette on an erect, leafless stalk usually no more than 20 centimeters tall. It bears one flower with usually five white or red-tinged petals each up to 2 centimeters long with white or pinkish sepals at the base. At the center of the flower are many yellow stamens and pistils. The fruit is an achene, borne in a spherical cluster of 14 or more. It was named after Charles Lewis Anderson by Asa Gray.
Silene invisa is a species of flowering plant in the family Caryophyllaceae known by the common names red fir catchfly and short-petaled campion.
Silene marmorensis is a rare species of flowering plant in the family Caryophyllaceae known by the common names Marble Mountain catchfly, Marble Mountain campion, and Somes Bar campion. It is endemic to the southern Klamath Mountains of northern California, where it grows in mountain woodlands and forests. It is a perennial herb producing several stems and shoots from a woody, branching caudex and thick taproot. The hairy, glandular stems grow erect to a maximum height near 40 centimeters. The lance-shaped leaves are a few centimeters long and are borne in pairs, the lowermost drying early. The inflorescence is a terminal cyme of flowers at the top of the stem, and some flowers may occur in the leaf axils. Each flower has a hairy, veined calyx of fused sepals. The flowers bloom at night, the five pinkish or green-tinged petals opening at the tip of the calyx.
Stachys arvensis is a species of flowering plant in the mint family known by the common names field woundwort and staggerweed. It is native to Europe, Western Asia, and North Africa. It is known on other continents as an introduced species and widespread weed.
Stachys chamissonis is a species of flowering plant in the mint family known by the common name coastal hedgenettle. It is a perennial herb native to the west coast of North America, where it grows in moist coastal habitat from Alaska to central California. This mint produces an erect stem 1 to 2+1⁄2 meters. It is hairy, glandular, and aromatic. The oppositely arranged leaves have pointed, wavy-edged blades up to 18 centimeters (7.1 in) long which are borne on petioles. The hairy, glandular inflorescence is made up of interrupted clusters of up to six flowers each. The flower has a deep pink tubular corolla which can be over 3 centimeters (1.2 in) long. The corollas are borne in hairy calyces of purple or purple-tinged sepals.
Stephanomeria paniculata is a species of flowering plant in the aster family known by the common names tufted wirelettuce and stiff-branched wirelettuce. It is native to the northwestern United States, where it grows in many types of habitat, including disturbed areas. It is an annual or biennial herb producing a slender, erect stem with stiff, widely spreading branches toward the top. It is hairless. The leaves are mostly located in a basal rosette, the largest reaching 10 centimeters long. Smaller, linear leaves occur along the upper stem. Flower heads occur singly or in small clusters along the stiff branches. Each head contains 4 to 6 ray florets, each with an elongated tube and a pinkish or lavender ligule up to 1.4 centimeters long. The fruit is an achene tipped with a spreading cluster of long, white pappus bristles.
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.
Tetradymia tetrameres is a species of flowering plant in the aster family known by the common name fourpart horsebrush and dune horsebrush. It is native to the Great Basin, where it occurs in western Nevada and just over the border in Mono County, California. It is a plant of dry scrub and sand dunes. It is a bushy, woolly shrub with many erect, spineless branches. It is the largest of the horsebrushes, growing up to two meters in height. The soft, woolly leaves are narrow and threadlike, growing up to 4 centimeters long. Shorter leaves occur in clusters around the primary leaves. The inflorescence bears 4 to 6 flower heads which are each enveloped in four or five woolly phyllaries. Each head contains up to four or five light yellow flowers each around a centimeter long. The fruit is a hairy achene which may be up to a centimeter long, including its pappus of long bristles.
Torilis arvensis is a species of flowering plant in the family Apiaceae known by the common names spreading hedgeparsley, tall sock-destroyer and common hedge parsley. It is native to parts of Europe and it is known elsewhere, such as North America, as an introduced species and a common weed. It grows in many types of habitat, especially disturbed areas. It is an annual herb producing a slender, branching, rough-haired stem up to a meter in maximum height. The alternately arranged leaves are each divided into several pairs of lance-shaped leaflets up to 6 centimeters long each. The leaflet is divided or deeply cut into segments or teeth. The inflorescence is a wide open compound umbel of flower clusters on long, slender rays. Each flower has five petals which are unequal in size and are white with a pinkish or reddish tinge. Each greenish or pinkish fruit is 3 to 5 millimeters long and is coated in straight or curving prickles.
Townsendia leptotes is a species of flowering plant in the aster family known by the common names common Townsend daisy and slender townsendia. It is native to the western United States, where it grows in the alpine climates of high mountain ranges from California to Montana to New Mexico.
Townsendia scapigera is a species of flowering plant in the aster family known by the common name tufted Townsend daisy. It is native to the western United States, where it grows in mountains, sagebrush, and other habitat.
Deinandra fasciculata, known by the common names clustered tarweed and fascicled spikeweed, is a species of flowering plant in the daisy family native to western North America.
