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).
Record Count by County

Del Norte: 8 Mendocino: 27 Santa Cruz: 1
Humboldt: 40 San Mateo: 2 Sonoma: 8

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/04/2024).