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Taxon  Report  
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).   CNDDB
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(55 records)
one or more occurrences
within a 7.5-minute quadrangle
Genus: Usnea
Family: Parmeliaceae  
Category: lichen  
PLANTS group:Lichen

Name Status:
Accepted by CNPS
More information about  Usnea longissima
Nursery availability from CNPLX
Commercial availability unknown.
CNPS Inventory


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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 09/25/2022).