Calflora, a 501(c)(3) nonprofit
Taxon  Report  
Calicium adspersum  Pers.
Spiral-spored guilded-head pin lichen
Calicium adspersum is a lichen that is native to California.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   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
(2 records)
one or more occurrences
within a 7.5-minute quadrangle
Genus: Calicium
Family: Caliciaceae  
Category: lichen  

Name Status:
Accepted by CNPS

More information about  Calicium adspersum
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: 08/11/2022).