Menziesia was a genus of flowering plant in the family Ericaceae. More recently it has been reclassified within the genus Rhododendron. it was formally transferred in 2011.
Dimeresia is a monotypic genus in the sunflower family containing the single species Dimeresia howellii, known by the common name doublet.
Hazardia detonsa is a rare species of shrub in the family Asteraceae known by the common name island bristleweed. It is endemic to the Channel Islands of California, having been found on 4 islands.
Brickellia californica, known by the common name California brickellbush, is a species of flowering plant in the family Asteraceae.
Adolphia californica, known by the common names California adolphia, California prickbush, and spineshrub, is a species of flowering shrub in the buckthorn family.
Arctostaphylos montaraensis, known by the common name Montara manzanita, is a species of manzanita in the family Ericaceae.
Chaenactis santolinoides is a species of flowering plant in the daisy family known by the common name Santolina pincushion. It is found in California.
Diplacus jepsonii, formerly classified as Mimulus nanus var. jepsonii, is a species of monkeyflower known by the common name Jepson's monkeyflower.
Navarretia viscidula is a species of flowering plant in the phlox family known by the common name sticky pincushionplant.
Orobanche californica, known by the common name California broomrape, is a species of broomrape. It is a parasitic plant growing attached to the roots of other plants, usually members of the Asteraceae.
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.
Palafoxia arida is a species of flowering plant in the aster family, known by the common names desert palafox and Spanish needle.
Plagiobothrys collinus is a species of flowering plant in the borage family known by the common name Cooper's popcornflower.
Ribes velutinum is a species of currant known by the common name desert gooseberry.
Trichostema micranthum is a species of flowering plant in the mint family, known by the common name smallflower bluecurls.
Trichostema oblongum, known by the common names oblong bluecurls and mountain bluecurls, is a species of flowering plant in the mint family.
Trichostema parishii is a species of flowering plant in the mint family known by the common name Parish's bluecurls.
Xylorhiza cognata is a rare species of flowering plant in the family Asteraceae known by the common names Mecca-aster and Mecca woodyaster.
Xylorhiza tortifolia is a species of flowering plant in the family Asteraceae, known by the common names Mojave-aster and Mojave woodyaster.
Deinandra mohavensis, commonly known as Mojave tarplant or Mojave tarweed, is a species of flowering plant in the family Asteraceae.
