[Wikipedia] Worldwide Distribution in Mediterranean Climates: Targionia is a genus of liverworts in the order Marchantiales.[2] It the only genus in the family Targioniaceae within that order. This genus has worldwide distribution in areas with a Mediterranean climate. That is, in regions with hot dry summers and cool wet winters. (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: 05/10/2025).