Eschscholzia ramosa is an annual herb that is native to California, and found only slightly beyond California borders.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Limited Range: The plant is endemic to the Channel Islands of California off the Southern California coast (United States), and to Guadalupe Island off the western coast of Baja California state (Mexico). (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).