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Taxon  Report  
Erigeron petrophilus  Greene  var. viscidulus  (A. Gray) G. L. Nesom
Klamath daisy,   Rockloving erigeron
Erigeron petrophilus var. viscidulus is a perennial herb (rhizomatous) that is native to California, and also found in Oregon.
California Rare Plant Rank: 4.3 (limited distribution).
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
~77 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Erigeron petrophilus
Genus: Erigeron
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 2.4 - weak indicator

Habitat: meadows

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Chaparral

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO
Alternate Names:
PLANTSErigeron inornatus var. viscidulus
Information about  Erigeron petrophilus var. viscidulus from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (ERPEV)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/13/2025).