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 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 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 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 eisenii is a species of phacelia known by the common name Eisen's phacelia. It is endemic to California, where it occurs only in the Sierra Nevada and its foothills, as well as the adjacent Tehachapi Mountains. It grows in mountain habitat such as coniferous forests.
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 humilis, with the common name low phacelia, is a species of phacelia. It is native to the Western United States, from central Washington to central California, where it grows in mountain and foothill habitat.
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 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 monoensis is an uncommon species of phacelia known by the common name Mono County phacelia.
Phacelia mustelina is an uncommon species of phacelia known by the common names weasel phacelia and Death Valley round-leaved phacelia. It is native to the desert mountains and flats of eastern California and western Nevada, where it grows in woodland and open scrub 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 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 parishii is an uncommon species of phacelia known by the common name Parish's phacelia. It is native to the desert southwest of the United States, where it is known from scattered occurrences in Nevada and Arizona, and about two occurrences in California. It grows in desert scrub and alkali soils such as in playas, barren dry lakes, and gypsum beds.
Phacelia quickii is a species of phacelia known by the common name Quick's phacelia.
Phacelia racemosa is a species of phacelia known by the common name racemose phacelia.
Phacelia rattanii is a species of phacelia known by the common name Rattan's phacelia.
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 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.
