Viola primulifolia ssp. occidentalis Calflora

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Taxon Report

Viola primulifolia L. ssp. occidentalis (A. Gray) L.E. McKinney & R. J. Little

Western bog violet

2018 John Game

2017 Steve Matson

2023 Dana York

2017 Steve Matson

2023 Dana York

Viola primulifolia ssp. occidentalis 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).


	Plant Range Observation Search (52 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


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:


CNPS	Viola lanceolata ssp. occidentalis
PLANTS	Viola lanceolata ssp. occidentalis

Information about Viola primulifolia ssp. occidentalis from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (VILAO) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

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: 12/01/2023).