Lomatium congdonii is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Limited Range: Lomatium congdonii is endemic to California, where it is known from only about 20 occurrences in the Sierra Nevada foothills of Mariposa and Tuolumne Counties. It grows in oak woodland habitat, often on serpentine soils. (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).
one or more occurrences