Osmorhiza depauperata is a species of flowering plant in the carrot family known by the common names bluntseed sweetroot and blunt-fruited sweet-cicely.
Ranunculus eschscholtzii is a species of buttercup flower known by the common name Eschscholtz's buttercup.
Ranunculus gormanii is a species of buttercup known by the common name Gorman's buttercup. It is native to Oregon and northern California, where it grows in the Klamath Mountains and a section of the southern Cascade Range. It can be found in moist areas in mountain forests and meadows. It is a perennial herb producing prostrate stems which extend along the ground up to 20 centimeters in length, sometimes rooting at nodes that come in contact with wet substrate. The leaves have oval blades up to 4 centimeters wide which are borne on petioles up to 7 centimeters in length. Flowers have 5 to 7 shiny yellow petals each a few millimeters long and many stamens and pistils. The fruit is an achene borne in a spherical cluster of up to 15.
Ranunculus hydrocharoides is a species of buttercup known by the common names frogbit buttercup, or frog's-bit buttercup. It is native to western North America, including the southwestern United States and Mexico. It is also known from Guatemala. It is aquatic or semi-aquatic, growing floating in water or in wet land near water. Typical habitat includes marshes, streams, and lakes. Stems are up to 25 centimeters long, prostrate on the ground when terrestrial, or floating when aquatic. The shiny green leaves have heart-shaped or oval blades up to 3 centimeters long which are borne on petioles which may be 15 centimeters in length. Flowers have 5 to 8 shiny yellow petals a few millimeters long with many stamens and pistils at the center. The fruit is an achene borne in a spherical cluster of 9 or more.
Ribes velutinum is a species of currant known by the common name desert gooseberry.
Romanzoffia tracyi is a species of flowering plant in the borage family known by the common names Tracy's mistmaiden and Tracy's romanzoffia. It is native to the coastline of western North America from far northern California north to the southern tip of Vancouver Island, where it grows among rocks on oceanside bluffs.
Acleisanthes nevadensis is a species of flowering plant in the four o'clock family known by the common names desert moonpod and desert wing-fruit. It is native to a section of the southwestern United States encompassing southern Nevada and adjacent corners of Utah and Arizona. One occurrence has been observed in eastern California. The plant grows in desert habitat such as scrub and rocky washes. This herb produces several spreading stems up to about 30 centimeters in maximum length, sometimes from a woody base. The stems are covered in many leaves with fleshy oval or rounded blades up to 3 centimeters long which are borne on petioles. The herbage of the plant is coated in thick, wide, white, furry hairs, interspersed with shorter, flat hairs. Some hairs are glandular. Flowers occur in leaf axils. Each is a trumpet-shaped bloom with a narrow, tubular green throat up to 4 centimeters long and a round white corolla face about a centimeter wide, sometimes tinged yellow or greenish. There are five long, protruding stamens and a long style tipped with a spherical stigma. The fruit is a ribbed, hairy body with five broad, white wings.
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.
Streptanthus gracilis is an uncommon species of flowering plant in the mustard family known by the common name alpine jewelflower.
Streptanthus oliganthus is an uncommon species of flowering plant in the mustard family known by the common name Masonic Mountain jewelflower. It is native to western Nevada and eastern California, where it grows in the rocky hills east of the central Sierra Nevada. Its habitat includes forest, woodland, sagebrush, and mountain talus. It is a rhizomatous perennial herb producing a hairless, waxy, usually unbranched stem up to about 40 or 50 centimeters in maximum height. The basal leaves have lance-shaped, smooth-edged blades up to 10 centimeters long borne on fuzzy to rough-haired petioles. Leaves higher on the stem have shorter blades which may clasp the stem at their bases. Flowers occur at intervals along the upper stem. Each has a bell-shaped calyx of purple sepals no more than a centimeter long. The petals emerging from the tip are reddish purple or purple-tipped. The fruit is a smooth, flat, straight or slightly curved silique up to 8 to 10 centimeters long.
Tauschia glauca is a species of flowering plant in the carrot family known by the common name glaucous umbrellawort, or glaucous tauschia. It is native to the forests of Oregon and northern California, where it can often be found on serpentine soils. It is a perennial herb growing 20 to 40 centimeters tall. The leaves have blades which are divided into three-lobed leaflets and borne on long, thin petioles. The inflorescence is a compound umbel of yellow flowers with up to 12 unequal rays measuring up to 6 centimeters long each. The fruit is rounded, ribbed, and only 2 or 3 millimeters long.
Tauschia hartwegii is a species of flowering plant in the carrot family known by the common name Hartweg's umbrellawort. It is endemic to California, where it is known from the Sierra Nevada foothills and some of the Central Coast Ranges. Its habitat includes coniferous woodlands and chaparral. It is a perennial herb growing 30 centimeters to one meter tall. It is coated in short, rough hairs. The leaves have blades which are divided into oval leaflets with serrated edges and borne on long petioles. The inflorescence is a compound umbel of yellow flowers with up to 30 unequal rays measuring 2 to 12 centimeters long each. The fruit is somewhat rounded in shape, ribbed, and under a centimeter long.
Tiquilia palmeri is a species of flowering plant in the borage family known by the common names Palmer's crinklemat and Palmer's tiquilia.
Trautvetteria caroliniensis is a species of flowering plant in the family Ranunculaceae native to North America. It is known by the common names Carolina bugbane, false bugbane, and tassel-rue. The genus is named for the botanist Ernst Rudolf von Trautvetter.
Trianthema portulacastrum is a species of flowering plant in the ice plant family known by the common names desert horsepurslane, black pigweed, and giant pigweed. It is native to areas of several continents, including Africa and North and South America, and present as an introduced species in many other areas. It grows in a wide variety of habitat types and it can easily take hold in disturbed areas and cultivated land as a weed.
Tripterocalyx crux-maltae is a species of flowering plant in the four o'clock family known by the common names Lassen sandverbena and Kellogg's sand-verbena.
Lomatium observatorium is a rare species of flowering plant in the carrot family known by the common names Mt. Hamilton desertparsley and Mount Hamilton lomatium. It is endemic to California, where it is known only from the mountains of Santa Clara County, including Mount Hamilton near the Lick Observatory. It may also occur in Stanislaus County. Its habitat includes mountain woodlands on volcanic and metamorphosed sedimentary rock substrates. Described The plant to science as a new species in 1996, the plant is a perennial herb growing low to the ground, the lightly hairy herbage growing from a long taproot.
Pyrrocoma clementis is a species of flowering plant in the family Asteraceae known by the common name tranquil goldenweed. It is native to Colorado, Utah, and Wyoming in the United States.
Viola renifolia is a species of violet known by the common names white violet and kidneyleaf violet. It is native to northern North America, where it has a widespread distribution across Canada and the northern United States as far south as Washington, Colorado, and New York.
Suksdorfia violacea is an uncommon species of herbaceous flowering plant in the saxifrage family known by the common name violet suksdorfia. In 1879 Asa Gray named the genus Suksdorfia after Wilhelm Nikolaus Suksdorf who had first collected a specimen of S. violacea in 1878 near Mount Adams-White Salmon, Washington and sent it to Gray for assistance in classifying it. Gray and Suksdorf had a long and close working relationship, and Gray initially identified and named various species found by Suksdorf. Its conservation status has been rated by NatureServe as "G4 – Apparently Secure".
