Ribes tularense is a rare species of currant known as the Sequoia gooseberry or Tulare gooseberry. It is endemic to southern California, at elevations between 1,500–1,800 metres (4,900–5,900 ft).
Cryptantha nevadensis is a species of wildflower in the borage family known by the common names Nevada catseye and Nevada forget-me-not. This small plant is native to the southwestern United States and northern Mexico where it grows in sandy and rocky soils in varied habitats across the region. Like other cryptanthas it is a very hairy, bristly flowering herb with a curling inflorescence that resembles that of fiddlenecks. This is an annual plant rarely exceeding half a meter in height. It is covered in long, white hairs and its tiny white flowers are about half a centimeter wide. The fruit is a bumpy nutlet.
Cryptantha leiocarpa is a species of flowering plant in the borage family known by the common name coastal cryptantha. It is native to the coastline of Oregon and California where it grows in sandy areas such as beaches.
Johnstonella micromeres is a species of flowering plant in the family Boraginaceae known by the common name pygmyflower cryptantha.
Astragalus shevockii is a rare species of milkvetch known by the common names Little Kern milkvetch and Shevock's milkvetch. It is endemic to Tulare County, California, where it grows in the High Sierra, generally on granite-based soils in Jeffrey pine forests.
Brickellia incana is a North American species of flowering plant in the family Asteraceae known by the common name woolly brickellbush. It is native to the Mojave Desert and Sonoran Desert in the southwestern United States, in California, Nevada, and Arizona.
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.
Greeneocharis circumscissa is a species of flowering plant in the borage family, known by the common name cushion cryptantha. It is native to western North America from Washington to Baja California to Colorado and it is also found in Argentina. It grows in sandy or gravelly types of habitat, from mountains to desert, below 9,500 m (31,200 ft) above sea level.
Cryptantha clevelandii is a species of flowering plant in the borage family known by the common name Cleveland's cryptantha. It is native to coastal California and Baja California, where it grows in the chaparral and other habitat in the coastal hills. It is an annual herb growing a branching or unbranched stem up to 60 centimeters tall. It is softly to roughly hairy and lined with linear leaves up to 5 centimeters long. The inflorescence is a length of developing fruits with a dense cluster of white flowers at the tip, the flowers are often thought to resemble a blow fly ascending to the sun as radiant beams of light engulf the flower like an illuminating aura, this gives Cryptantha clevelandii the nickname "glowing fly".
Oreocarya flavoculata is a species of flowering plant in the family Boraginaceae known by the common name roughseed cryptantha. It is native to the western United States from California to Montana, where it is common in many types of habitat. It is a perennial herb growing an unbranching stem up to about 35 centimeters tall from a woody caudex. It is coated in soft bristly hairs. The densely hairy to bristly leaves vary in shape and may reach 11 centimeters long. The inflorescence is a cylindrical cluster or rounded head of flowers which elongates as the fruits develop from the bottom up. Each tubular flower is about a centimeter long topped with a five-lobed white corolla with yellow appendages at the center.
Cryptantha microstachys is a species of flowering plant in the borage family known by the common name Tejon cryptantha. It is native to California and Baja California, where it grows in several types of habitat, including chaparral in the coastal and inland hills and mountains. It is an annual herb producing a branching or unbranched stem 10 to 50 centimeters tall which is coated in hairs and bristles. The hairy leaves are linear to oblong in shape and up to 4 centimeters long. The inflorescence is a length of bristly developing fruits tipped with open flowers with five-lobed white corollas just a few millimeters wide.
Cryptantha pterocarya is a species of flowering plant in the borage family known by the common name wingnut cryptantha. It is native to the western United States where it grows in many types of habitat. It is an annual herb producing a stem with a few branches that reaches up to about 40 centimeters in maximum height. The leaves are linear to oblong in shape and up to 5 centimeters long. The plant herbage is very hairy to bristly, generally rough in texture. The inflorescence is a length of developing fruits tipped with one or more open flowers. The flower has a white five-lobed corolla. The fruit is a nutlet which is often, but not always, winged.
Oreocarya roosiorum is a species of flowering plant in the family Boraginaceae known by the common name bristlecone cryptantha.
Leptosiphon acicularis is a species of flowering plant in the phlox family known by the common names bristly linanthus and bristly leptosiphon.
Sidalcea keckii is a rare species of flowering plant in the mallow family, known by the common names Keck's checkerbloom and Keck's checkermallow.
Heterotheca monarchensis is a rare species of flowering plant in the family Asteraceae known by the common names monarch goldenaster and sequoia false goldenaster. It is endemic to Fresno County, California, where it is known from only one location near Boyden Cave in the Kings River Canyon. It grows in the limestone cliffs of this Sierra Nevada river canyon, along with a few other rare local endemics. The plant was discovered in July, 1995, and described to science as a new species in 1996.
Nemacladus calcaratus is a rare species of flowering plant in the bellflower family known by the common name Chimney Creek nemacladus. It is endemic to Tulare County, California, where it is known only from Chimney Creek in the southern Sierra Nevada east of Lake Isabella. It occurs in woodland habitat on sandy granitic substrate. It was first collected in 1986 and described to science as a new species in 2008.
Oreocarya crassipes is a rare species of flowering plant in the borage family known by the common name Terlingua Creek cat's-eye. It is endemic to Brewster County, Texas, where it is known from only ten populations totaling about 5000 plants. All of the occurrences are within a ten-kilometer radius. This is a federally listed endangered species.
Cryptantha crinita is a rare species of flowering plant in the borage family known by the common names Sacramento cryptantha and silky cryptantha. It is endemic to California in the United States, where it occurs in the northern Sacramento Valley and the adjacent edges of the Cascade Range foothills.
Heterotheca shevockii is a rare species of flowering plant in the family Asteraceae known by the common names Kern Canyon false goldenaster and Shevock's goldenaster. It is endemic to California in the United States, where it is known only from Kern County. It grows along a 21-mile stretch of the Kern River.
