Thamnolia vermicularis is a lichen that is native to California.
California Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common elsewhere).
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 12/21/2024).