[Wikipedia] Range, Associated Plants: The species is distributed along the Central and North Coast Ranges of California, extending into southern Oregon.[2] A typical occurrence is on Ring Mountain in Marin County, California, where it occurs in association with the poison sanicle, Pacific sanicle and numerous other forbs. (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).
