Lomatium engelmannii is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Uncommon, Range, Habitat: Lomatium engelmannii is an uncommon species of flowering plant in the carrot family known by the common name Engelmann's desertparsley, or Engelmann's lomatium. It is native to the Klamath Mountains of southern Oregon and northern California, where it is a member of the local serpentine soils flora. (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).