[Wikipedia] Range: It is native to the high mountains of California, from the Klamath Mountains, where its distribution extends into Oregon, to the Sierra Nevada, where it may occur just inside Nevada as well. (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).
