[Wikipedia] Native Range, Habitat: It is native to western North America from British Columbia to Montana to California, and southern South America, including southern Chile. Its habitat includes mountain slopes, forests, and woodlands 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: 03/31/2025).