Solanum xanti, known commonly as chaparral nightshade, purple nightshade, and San Diego nightshade, is a member of the genus Solanum. It is native to the Western United States in Arizona, California, Nevada, and Oregon, and to northwest Mexico in Baja California.
Draba asterophora is a species of flowering plant in the family Brassicaceae known by the common names Lake Tahoe draba or Tahoe Whitlow-grass. This rare plant is known only from the Mount Rose and Slide Mountain areas of the northern Carson Range in extreme western Nevada, in and just outside of the Lake Tahoe drainage basin. It is a squat perennial herb which forms small mats in rocky habitat in the alpine climate of the high mountains. It forms a basal patch of thick, hairy oval leaves up to 1.5 centimeters long. A small, erect inflorescence arises from the patch bearing several yellow mustard-like flowers. The fruit is a flat, wavy silique which is oval in shape, somewhat membranous, and up to 1.5 centimeters long. It contains several flat, round seeds with wide wings along the edges.
Draba breweri is a species of flowering plant in the family Brassicaceae known by the common names cushion draba, lanceleaf 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 corrugata is a species of flowering plant in the family Brassicaceae known by the common name Southern California draba.
Draba sharsmithii is an uncommon species of flowering plant in the family Brassicaceae known by the common names Mt. Whitney draba and Sharsmith's draba.
Draba sierrae is an uncommon species of flowering plant in the family Brassicaceae known by the common name Sierra draba. It is endemic to the central Sierra Nevada of California, where it is known from just a few occurrences in rocky alpine habitat. It is a perennial herb forming small, dense cushions of very hairy, oblong or lance-shaped grayish leaves each under centimeter long. The erect inflorescence bears several yellow flowers. The fruit is a flat, twisted, oval-shaped silique under a centimeter long containing a few unwinged seeds.
Pyrrocoma uniflora is a species of flowering plant in the family Asteraceae known by the common name plantain goldenweed. It is native to western North America from central Canada to California to Colorado, where it grows in several types of habitat, including forest and meadows with alkali soils, such as those near hot springs. It is a perennial herb growing up to 40 centimeters tall, the stems reddish and usually with a thin to thick coating of woolly fibers. The lance-shaped, toothed leaves are usually woolly, the largest near the base of the plant reaching up to 12 centimeters in length. The inflorescence is a single flower head or a cluster of a few heads, each lined with woolly phyllaries. The head contains yellow disc and ray florets. The fruit is an achene which may be over a centimeter long including its long pappus.
Packera pseudaurea is a species of flowering plant in the aster family known by the common name falsegold groundsel. It is native to North America, where it can be found in western and central parts of Canada and the United States. It grows in mountain habitat such as meadows, streambanks, and woodlands.
Townsendia condensata is a species of flowering plant in the family Asteraceae known by the common names cushion Townsend daisy and cushion townsendia. It is native to North America where it is known from many scattered occurrences in the mountains of the western United States and Alberta in Canada. It is mainly limited to the alpine climates of high mountain peaks, where it grows in meadows, tundra, and barren, rocky talus. It grows alongside other alpine plants such as Eriogonum androsaceum.
Triteleia clementina is a rare species of flowering plant known by the common name San Clemente Island triteleia. It is endemic to San Clemente Island, one of the Channel Islands of California, where it is known from about twenty occurrences. Its habitat includes moist, rocky, seaside grassland. It is a perennial herb growing from a corm. It produces two or three keeled, lance-shaped leaves up to 100 centimeters long by three wide. The inflorescence arises on an erect stem up to 90 centimeters tall and bears an umbel-like cluster of many flowers. Each flower is a funnel-shaped lavender or light blue bloom with six lobes measuring up to 1.5 centimeters long. There are six stamens with purple anthers.
Primula capillaris is a rare species of flowering plant in the primrose family known by the common name Ruby Mountains primrose, or Ruby Mountain primrose. It is endemic to Nevada in the United States, where it is limited to the Ruby Mountains of Elko County.
Eubotrys racemosa is a species of flowering plant in the heath family known by the common names fetterbush, swamp doghobble, and swamp sweetbells.
Penstemon degeneri is a species of flowering plant in the plantain family known by the common name Degener's beardtongue. It is endemic to Colorado in the United States, where it occurs in and around the Arkansas River Canyon in Fremont, Custer, and Chaffee Counties.
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 globosa is a species of flowering plant in the family Brassicaceae known by the common names beavertip draba, round-fruited draba, and rockcress draba. It is native to the western United States, where it occurs in Idaho, Montana, Utah, Wyoming, and possibly Colorado.
Eriogonum brandegeei is a species of flowering plant in the buckwheat family known by the common name Brandegee's buckwheat. It is endemic to Colorado in the United States, where it occurs in Fremont and Chaffee Counties.
Physaria fremontii is a species of flowering plant in the family Brassicaceae known by the common name Fremont's bladderpod. It is endemic to Wyoming in the United States, where it occurs only in and around the Wind River Range in Fremont County.
Xanthisma coloradoense is a species of flowering plant in the family Asteraceae known by the common name Colorado tansyaster. It is native to Colorado and Wyoming in the United States.
Townsendia rothrockii is a species of flowering plant in the family Asteraceae known by the common name Rothrock's Townsend daisy. It is endemic to Colorado in the United States, where there are 35 occurrences across thirteen counties. Reports of the plant from New Mexico are false.
Physaria pruinosa is a species of flowering plant in the family Brassicaceae known by the common names Pagosa Springs bladderpod and frosty bladderpod. It is native to Colorado and New Mexico in the United States.
