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 adenophora is a species of phacelia known by the common name glandular yellow phacelia. It is native to the northwestern United States where it can be found in Oregon, northeastern California, and northwestern Nevada. It grows in mountain and plateau habitat. This is an annual herb producing decumbent, creeping, spreading, or upright branched stems up to 40 centimeters long. The leaves are oblong in shape and deeply lobed, measuring up to 3 centimeters long, and concentrated at the base. The inflorescence is a one-sided cyme of many bell-shaped flowers each under 1 cm long. The petals are fused at the base with five lobes. Unlike many phacelias, which bloom in shades of blue and purple, this species has yellow to golden flowers. It occasionally has purple edges on the corolla. It has five hairy stamens. The fruit is a fuzzy, oblong capsule a few millimeters in length containing up to 14 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 anelsonii is a species of phacelia known by the common name Aven Nelson's phacelia. It is native to the Southwestern United States, where it is known from scattered occurrences in southwestern Utah, southern Nevada, and eastern California. It can be found in scrub and woodland habitat. It is named after the botanist Aven Nelson.
Phacelia austromontana is a species of phacelia known by the common name Southern Sierra phacelia. It is native to the southwestern United States, where it can be found in the Transverse Ranges and Sierra Nevada of California east to Utah. It grows in open mountainous habitat.
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 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 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 leonis is a rare species of phacelia known by the common name Siskiyou phacelia. It is endemic to the Klamath Mountains of southern Oregon and far northern California, where it grows in serpentine soils in the coniferous forests.
Phacelia marcescens is a species of phacelia known by the common name persistentflower phacelia. It is endemic to the Sierra Nevada and its foothills in California, where it grows in meadows, forests, and other mountain habitat.
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 nemoralis is a species of flowering plant in the borage family known by the common name shade phacelia. It is native to the west coast of the United States from Washington to central California, where it grows in moist, usually forested areas along the coastline and in the coastal mountain ranges.
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 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 saxicola is a species of phacelia known by the common name stonecrop phacelia. It is native to the deserts, hills, and mountain slopes of far eastern California and adjacent sections of western Nevada and Arizona.
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.
Phacelia vallicola is a species of phacelia known by the common name mariposa phacelia. It is endemic to California, where it is known only from the Sierra Nevada and adjacent southernmost slopes of the Cascade Range. It grows in coniferous forest, chaparral, and other mountain and foothill habitat.
