Calflora
Taxon  Report   8308 
Viola primulifolia  L.  ssp. occidentalis  (A. Gray) L.E. McKinney & R. J. Little
Western bog violet
Viola primulifolia ssp. occidentalis
© 2003 Norman Jensen
More photos from
CalPhotos / Calflora
Viola primulifolia ssp. occidentalis
© 2008 Keir Morse
Viola primulifolia ssp. occidentalis
© 2008 Norman Jensen
Viola primulifolia ssp. occidentalis, a dicot, is a perennial herb (rhizomatous) that is native to California, Oregon.
also called Viola lanceolata ssp. occidentalis
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Viola primulifolia ssp. occidentalis
© 2015 John Doyen
Family: VIOLACEAE  
Genus: Viola
Parent Record Viola primulifolia
Community:
Freshwater Wetlands
Habitat: freshwater-marsh, bogs/fens
Toxicity: MINOR (SEEDS)   [California Poison Control System]    
AFFINITY to serpentine soil:   5.1 (broad endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Viola primulifolia ssp. occidentalis

Name Status:
Accepted by JEF + CNPS + JM93
PLANTS accepted name: Viola lanceolata ssp. occidentalis
Alternate Names:
(according to)

ICPN + CNPS: Viola lanceolata ssp. occidentalis
More information about  Viola primulifolia ssp. occidentalis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (VILAO)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

website references from Google


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Sep 23, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.