[Wikipedia] Range, Habitat: It is native to the mountains of northern California and southern Oregon, including the Klamath Mountains and Sierra Nevada, where it grows in chaparral, forest, and other habitat, often on serpentine soils. (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: 03/29/2025).