Calflora Taxon Report
Viola primulifolia  L.  ssp. occidentalis  (A. Gray) L.E. McKinney & R. J. Little
Western bog violet
photo on Calflora
2017 Steve Matson
photo on Calflora
2017 Steve Matson
photo on Calflora
2017 Steve Matson
photo on Calflora
2018 John Game
photo on Calflora
2024 Julie A. Kierstead
photo on Calflora
2024 Julie A. Kierstead
photo on Calflora
2023 Dana York
photo on Calflora
2023 Dana York
photo on Calflora
2024 Julie A. Kierstead
Viola primulifolia ssp. occidentalis is a perennial herb (rhizomatous) that is native to California, and also found in Oregon.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
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
DJJJASONAFMM

Bloom Period
Parent: Viola primulifolia
Genus: Viola
Family: Violaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
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
PLANTSViola lanceolata ssp. occidentalis
POWOViola primulifolia var. occidentalis
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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