[Wikipedia] Range, Serpentine Soils Association, Habitat: It is endemic to California, where it is known from the mountain ranges adjacent to the north and south of the San Francisco Bay Area, at 300-600 feet, 1200-2100 m. It is often a member of the serpentine soils flora in woodland and chaparral habitat. (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: 05/09/2025).
