[Wikipedia] Range, Habitat: It is native to the forests of Oregon and northern California, where it can often be found 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: 04/07/2025).
one or more occurrences