[Wikipedia] Range, Habitat: It is native to the western United States from the Pacific Northwest to California to Colorado, where it grows in many types of mostly sandy or gravelly habitat. (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: 05/07/2025).
