Phacelia crenulata is a species of flowering plant in the borage family, Boraginaceae. Its common names include notch-leaf scorpion-weed, notch-leaved phacelia, cleftleaf wildheliotrope, and heliotrope phacelia. Phacelia crenulata has an antitropical distribution, a type of disjunct distribution where a species exists at comparable latitudes on opposite sides of the equator, but not at the tropics. In North America, it is native to the southwestern United States as far east as Colorado and New Mexico, and Baja California and Sonora in Mexico. In South America, it is native to southern Peru, western Bolivia, and northern Chile.
Phacelia fremontii is a flowering plant in the family Boraginaceae native to the southwestern United States. In California, its range includes the Mojave Desert, the San Joaquin Valley, the Coast Ranges, and the Sierra Nevada. It was named for John C. Frémont.
Phacelia breweri is a species of phacelia known by the common name Brewer's phacelia.
Phacelia davidsonii is a species of phacelia known by the English name Davidson's phacelia named by Asa Gray for the discoverer of this annual plant, Anstruther Davidson, a Scottish naturalist who emigrated from Scotland to Los Angeles, California, in the late nineteenth century. This native forb occurs in southern California and southern Nevada, where it grows in mountains and foothills in chaparral and woodland habitats. In California, this herb is found in the Southern Sierra Nevada, Transverse Ranges, and Peninsular Ranges.
Phacelia distans is a species of flowering plant in the borage family, Boraginaceae, known by the common names distant phacelia and distant scorpionweed. It is native to the southwestern United States and northwestern Mexico, where it grows in many types of habitat, including forest, woodland, chaparral, grassland, and meadows.
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 floribunda is a species of phacelia known by the common names many-flowered phacelia, southern island phacelia and San Clemente Island phacelia. 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 grows in coastal sage scrub habitat in the canyons of these two islands.
Phacelia gymnoclada is a species of phacelia known by the common name nakedstem phacelia. It is native to the western Great Basin of the United States, where it can be found in the scrublands of Nevada, Oregon, and the eastern edge of California.
Phacelia hastata is a species of flowering plant in the borage family, Boraginaceae. Its common names include silverleaf scorpionweed, silverleaf phacelia, and white-leaf phacelia. It is native to western North America from British Columbia and Alberta south to California and east to Nebraska. It can be found in many types of habitat, including scrub, woodland, and forest, up to an elevation of 13,000 feet. It prefers sandy to rocky soil.
Phacelia hydrophylloides is a species of phacelia known by the common name waterleaf phacelia. It is native to California, Oregon, and Nevada, where it can be found in the southern Cascade Range and the Sierra Nevada. It grows in mountain habitat such as meadows and forest.
Phacelia inundata is a species of phacelia known by the common names playa yellow phacelia and playa phacelia. It is native to the Modoc Plateau and surrounding areas in Oregon, western Nevada, and northeastern California, where it grows in the alkaline soils of playas and dry lakebeds.
Phacelia ivesiana is a species of flowering plant in the borage family, Boraginaceae. Its common names include Ives' phacelia and Ives' scorpionweed. It is divided into varieties that have been called sticky scorpionweed. It is native to the western United States.
Phacelia lemmonii is a species of phacelia known by the common name Lemmon's phacelia. It is native to the southwestern United States, where it grows in mountain and sandy desert habitat.
Phacelia monoensis is an uncommon species of phacelia known by the common name Mono County phacelia.
Phacelia nashiana is a species of phacelia known by the common name Charlotte's phacelia. It is endemic to California, where it is known only from the ecotone where the lower Sierra Nevada and Tehachapi Mountains transition into the Mojave Desert. It grows in scrub and woodland and on granite mountain slopes.
Phacelia purpusii is a species of phacelia known by the common name Purpus' phacelia, that is endemic to California where it can be found in forests and other habitats within Sierra Nevada or farther north in the southernmost portion of the Cascades and adjacent Modoc Plateau.
Phacelia ramosissima is a species of phacelia known by the common name branching phacelia. It is native to western North America from British Columbia to California and the Southwestern United States, where it can be found in many types of habitat.
Phacelia rattanii is a species of phacelia known by the common name Rattan's phacelia.
Phacelia stebbinsii is an uncommon species of phacelia known by the common name Stebbins' phacelia.
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.
