Calflora, a 501c3 non-profit
Distribution by County   13080    
Usnea longissima  Ach.
Methuselah's beard lichen
Usnea longissima is a lichen that is native to California.
California Rare Plant Rank: 4.2 (limited distribution).

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 03/25/2023).