[Wikipedia] Range, Habitat: Phacelia cryptantha is a species of flowering plant in the borage family, Boraginaceae, known by the common name hiddenflower phacelia. It is native to the southwestern United States and Baja California in Mexico, where it grows in several habitat types in desert, rocky mountain slopes, canyons, plateau, and other areas. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/31/2025).