[Wikipedia] Current & Historical Range: It is found in California, Arizona, Nevada, Oregon, and Utah. There are historical records saying it once grew in southwestern Idaho, but is now extirpated there.[3][4] This variety has also been seen in the western Montana county of Sanders.[5] (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).
