Acmispon argophyllus, synonym Lotus argophyllus, is a species of legume native to California and northwest Mexico. It is known by the common name silver bird's-foot trefoil or silver lotus.
Lupinus guadalupensis is a rare species of lupine known by the common name Guadalupe Island lupine. It is known only from San Clemente Island, one of the Channel Islands of California, and Guadalupe Island off the coast of Baja California. It is a member of the coastal scrub growing alongside other island endemics and more common plants. This is an annual herb growing 20 to 60 centimeters high. Each palmate leaf is made up of 7 to 9 narrow leaflets up to 5 centimeters long and just a few millimeters wide, sometimes linear in shape. The inflorescence bears whorls of flowers each about a centimeter long and blue in color with a white banner patch which may fade pink. The fruit is a very hairy legume pod up to 6 centimeters long and about one wide. It contains 6 to 8 seeds.
Phacelia affinis is a species of flowering plant in the borage family, Boraginaceae, known by the common names limestone phacelia and purple-bell scorpionweed. It is native to the southwestern United States and Baja California and Sonora in Mexico. It can be found in scrub, woodland, forest, and other habitat.
Phacelia brachyloba is a species of phacelia known by the common name shortlobe phacelia. It is native to southern California and Baja California, where it grows in the coastal mountains, canyons, and valleys. It is one of the many species known as fire followers, that emerge in areas recently burned.
Phacelia breweri is a species of phacelia known by the common name Brewer's phacelia.
Phacelia californica is a species of phacelia known by the common names California phacelia and California scorpionweed. It is native to coastal northern California and Oregon, where it grows in chaparral, woodland, and coastal bluffs and grassland.
Phacelia ciliata is a species of phacelia known by the common name Great Valley phacelia. It is native to California, where it can be found in many of the coastal mountain ranges, the Central Valley, and the Sierra Nevada foothills; its distribution extends into Baja California. It grows in grasslands and low mountain slopes.
Phacelia divaricata is a species of phacelia known by the common name divaricate phacelia. It is endemic to California, where it grows in the coastal hills and mountain ranges around the San Francisco Bay Area and to the north. It grows in chaparral, woodland, grassland, and other local habitat.
Phacelia exilis is a species of phacelia known by the common names Transverse Range phacelia and lavender windows. It is endemic to California, where it is known from the southern Sierra Nevada and the Transverse Ranges. It grows in mountain and foothill habitat such as slopes and meadows.
Phacelia grandiflora is a species of phacelia known by the common name largeflower phacelia. It is native to the coastal hills and southern Transverse Ranges of southern California and Baja California, where it grows in coastal sage scrub, chaparral, and other local habitat, including areas recently burned by wildfire.
Phacelia grisea is a species of phacelia known by the common name Santa Lucia phacelia. It is endemic to California, where it can be found in the Santa Lucia Range and western sections of the Transverse Ranges.
Phacelia mohavensis is a species of phacelia known by the common name Mojave phacelia. It is endemic to southern California, where it is mostly limited to the San Gabriel Mountains and San Bernardino Mountains. It grows in the forests and wooded slopes of the mountains in sandy and gravelly substrates.
Phacelia mutabilis is a species of flowering plant in the borage family known by the common name changeable phacelia. It is native to the western United States and Baja California, where it can be found in mountains and foothills, in forested and open habitat types, and deserts.
Phacelia neglecta is a species of flowering plant in the borage family, Boraginaceae. Its common names include alkali phacelia and neglected scorpionweed. It is native to the deserts of the southwestern United States in Nevada, Arizona, and southeastern California, where it grows in varied desert habitat, including areas with alkali soils. It is likely that its distribution extends into Baja California.
Phacelia pachyphylla is a species of phacelia known by the common name blacktack phacelia. It is native to the deserts of California and Baja California, where it grows in sandy alkali flats and scrub.
Phacelia parryi is a species of phacelia known by the common name Parry's phacelia.
Phacelia pedicellata is a species of flowering plant in the borage family, Boraginaceae. Its common names include specter phacelia and pedicellate phacelia. It is native to the southwestern United States and Baja California, where it can be found in several types of habitat, including creosote bush scrub and Joshua tree woodland.
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.
Phacelia stellaris is a rare species of flowering plant in the borage family, Boraginaceae, known by the common names star phacelia and Brand's phacelia.
Phacelia viscida is a species of phacelia known by the common names sticky phacelia and tacky phacelia.
