[inaturalist.org] Range, Habitat: The plant is native to northwestern California and southwestern Oregon, where it occurs in Klamath Mountains and northern California Coast Ranges.
It grows in forests, especially Coast redwood forests. (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: 03/30/2025).
