[Wikipedia] Range: Moonwort has a circumpolar distribution, being recorded in Eurasia, North America and Greenland.[9][10] It also occurs in north Africa, the Himalayas, and temperate zones of Australia, Tasmania, New Zealand and South America. (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).