[Wikipedia] Eurasia, North Africa Native: This is an annual or biennial herb which is native to much of Eurasia and North Africa but can be found on most continents where it is an introduced species. (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: 03/28/2025).
