[Wikipedia] Range, Habitat: Micranthes californica (syn: Saxifraga californica), known by the common name California saxifrage,[1] is a species of flowering plants.
It is native to much of California west and north of the desert regions, as well as adjacent sections of southern Oregon and northern Baja California. It grows in many types of moist habitat from the coast to the mountains. (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).