Calflora
Taxon  Report   8308    
Viola primulifolia  L.  ssp. occidentalis  (A. Gray) L.E. McKinney & R. J. Little
Western bog violet
Viola primulifolia ssp. occidentalis, a dicot, is a perennial herb (rhizomatous) that is native to California, and also found in Oregon.
also called Viola lanceolata ssp. occidentalis
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and 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
(52 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Violaceae  
Genus: Viola
Parent: Viola primulifolia

Toxicity: MINOR (SEEDS)

Ultramafic affinity: 5.1 - broad endemic

Habitat: freshwater-marsh, bogs/fens

Communities: Freshwater Wetlands

Name Status:
Accepted by JEF + CNPS
Alternate Names:
CNPSViola lanceolata ssp. occidentalis
More information about  Viola primulifolia ssp. occidentalis

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: 05/20/2022).