[Wikipedia] Range: It is endemic to central and southern California, where it is found in the southern Coast Ranges and in the Transverse Ranges north and east of Los Angeles. (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: 03/28/2025).
