Acanthomintha lanceolata is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).
[Wikipedia] Limited Range, Habitat: It is endemic to California, where it is known from several counties surrounding and south of the San Francisco Bay Area. It is an uncommon resident of rocky habitat in coastal and inland mountain ranges. (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: 04/08/2025).