Draba albertina is a species of flowering plant in the mustard family known as slender draba or slender whitlow-grass. This plant is native to western North America, where it grows at high elevations from Arizona to Alaska and northern Canada. Like many species of Draba, it can grow in alpine and Arctic climates. This is a biennial or short-lived perennial with a single stem or several branching stems which may be very short or up to 40 centimeters in height. The appearance of the plant varies depending on the climate it endures. The leaves are up to 4 centimeters long, roughly hairy, and mostly basal. The stem bears an inflorescence of up to about 30 small yellow flowers. The fruit is a silique up to two centimeters long.
Draba californica is a species of flowering plant in the family Brassicaceae, known as the California draba.
Draba cruciata is a species of flowering plant in the family Brassicaceae known as the Mineral King draba. This is an uncommon plant endemic to California, where it is known only from the Sierra Nevada in Tulare County. It was named for Mineral King, a historic valley in the area. This plant is a squat, mat-forming perennial adapted to high mountain climates. It has small paddle-shaped leaves covered in a thick coat of hairs. It bears an inflorescence of 5 to 20 yellow flowers, each flower about a centimeter across. The stem bears widely spaced fruits, which are siliques about a centimeter long each.
Draba cuneifolia is a species of flowering plant in the family Brassicaceae known as the wedgeleaf draba or wedgeleaf whitlow-grass. This annual plant is native to the southern half of North America where it grows in open, rocky fields and disturbed areas. The plant forms a basal cluster of leaves, which are thick, widely toothed, and coated in stiff hairs. It bolts one or more erect stems which may approach 40 centimeters in maximum height. Each hairy stem bears an inflorescence of up to 75 small white flowers that continue at intervals down the stem as the stem grows in height. At fruiting the stem is lined with many fruits on stalks, which are flat, green siliques up to a centimeter long.
Erigeron lassenianus is a species of flowering plant in the daisy family known by the common name Mount Lassen fleabane.
Oenothera suffrutescens is a species of flowering plant in the evening primrose family known as scarlet beeblossom and scarlet gaura.
Hydrophyllum occidentale is a species of flowering plant in the waterleaf family known by the common name western waterleaf.
Ivesia paniculata is a species of flowering plant in the rose family known by the common name Ash Creek mousetail, or Ash Creek ivesia. It is endemic to the Modoc Plateau of Lassen and Modoc Counties in the northeastern corner of California, where it is known only from the vicinity of Ash Valley. It was first described in 1981. This is a small perennial herb of sage scrub on volcanic soils and rocky slopes. It forms a matted clump from a woody caudex and produces leaves and stems which lie on the ground or are somewhat erect. Each leaf is about 2 to 5 centimeters long and is made up of rows of many tiny, lobed, pink-edged green leaflets, densely coated in short white hairs. The leaflets overlap such that each leaf is cylindrical. The mostly naked pinkish stems bear inflorescences of hairy clusters of flowers. Each flower is about half a centimeter wide and has hairy pink-edged greenish sepals and tiny pale yellow petals. There are five stamens and a few pistils.
Stipa speciosa (syn. Achnatherum speciosum is a species of grass known by the common name desert needlegrass. It is native to much of the south-western United States from California to Colorado, where it grows in dry areas, especially sagebrush habitat. It is also known from Mexico and parts of South America.
Astragalus funereus is an uncommon species of milkvetch known by the common names Funeral Mountain milkvetch and black milkvetch.
Cryptantha ambigua is a species of flowering plant in the borage family known by the common name basin cryptantha. It is native to western North America from British Columbia to California to Colorado, where it grows in many types of habitat, including forest, scrub, and sagebrush.
Draba breweri is a species of flowering plant in the family Brassicaceae known by the common names cushion draba, Brewer's draba, and Brewer's Whitlow grass. With Draba cana now considered a variety of this species, it is distributed throughout parts of northern and western North America, including much of Canada and the western United States. The less widespread var. breweri is limited to mountainous California and western Nevada.
Draba carnosula is a rare species of flowering plant in the family Brassicaceae known by the common name Mt. Eddy draba. It is endemic to the Klamath Mountains of far northern California, where it is known from fewer than twenty occurrences at Mount Eddy and other peaks in the range. This is a perennial herb forming small clumps in serpentine outcrops. The leaves are located at the base of the plant, each an oval shape under a centimeter long. They are mostly hairless, except for long hairs along the edges. The erect inflorescence bears fewer than 10 yellow mustardlike flowers. The fruit is a lance-shaped silique one or two centimeters long, containing several winged seeds.
Draba howellii is a species of flowering plant in the family Brassicaceae known by the common names rosette draba and Howell's draba. It is endemic to the Klamath Mountains of northern California and southern Oregon, where it grows in rock crevices. This is a tuft-forming perennial herb, sometimes coated in hairs. Most of the leaves are located at the base of the plant, each oval in shape, up to 2.5 centimeters long, and sometimes edged in fine teeth. There may be one or more leaves on the stem as well. The erect inflorescence bears up to 30 yellow mustardlike flowers. The fruit is an oval silique up to a centimeter long containing several seeds.
Scirpus cyperinus, commonly known as woolgrass, is a herbaceous emergent that is native to the eastern United States and eastern Canada. Other common names include cottongrass bulrush and brown woolly sedge.
Phacelia phacelioides, the Mt. Diablo phacelia, is a species of phacelia. It is endemic to California, where it is known from about 20 occurrences in the coastal mountain ranges of the inner San Francisco Bay Area, including Mount Diablo. It is a resident of chaparral and woodland habitat.
Draba burkei is a species of flowering plant in the family Brassicaceae known by the common names snowbasin draba and Burke's draba. It is endemic to Utah in the United States, where it is known from Box Elder, Cache, Morgan, and Weber Counties. This plant was considered a variety of Draba maguirei until 2004, when it was elevated to species status.
Draba exunguiculata is a species of flowering plant in the family Brassicaceae known by the common names clawless draba and Grays Peak draba. It is endemic to Colorado in the United States.
Draba norvegica is a species of flowering plant in the mustard family (Brassicaceae) know by the common names Norwegian draba and Norwegian whitlow grass.
Otholobium dreweae is an upright shrublet assigned to the Pea family of about 15 cm (5.9 in) high, that appears after the vegetation burned down from the underground rootstock and forms mat-like clumps of hardly branching, leafy stems. The stems are set with stiff, entire, alternate leaves with a single leaflet and heads consisting of 12-18 initially dark pink, later white, pea-like flowers with a white nectar guide on a peduncle as long as the leaves at the end of the stem. This species is an endemic of the Kleinrivier Mountains in the Western Cape province of South Africa. It mostly flowers in November.
