[Wikipedia] Range: It is native to North America where it is widespread across western Canada and the western United States from Alaska, Yukon, and the Northwest Territories south as far as California and New Mexico. (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: 03/29/2025).
