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Taxon  Report  
Symphyotrichum spathulatum  (Lindl.) G. L. Nesom  var. yosemitanum  (A. Gray) G. L. Nesom
Western bog aster
Symphyotrichum spathulatum var. yosemitanum is a perennial herb that is native to California.
also called Aster occidentalis var. yosemitanus
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
bloom graphic
Bloom Period
Parent: Symphyotrichum spathulatum
Genus: Symphyotrichum
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
PLANTSAster ascendens var. yosemitanus
JEF + PLANTSAster occidentalis var. yosemitanus
JEF + PLANTSAster paludicola
PLANTSAster yosemitanus
Information about  Symphyotrichum spathulatum var. yosemitanum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (SYSPY)

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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/28/2023).