Taxon  Report   1492    
Cardamine occidentalis  (S. Watson) Howell
Big western bittercress,  Western toothwort
Cardamine occidentalis
© 2007 François Meignant
Photos from
CalPhotos / Calflora
Cardamine occidentalis, a dicot, is a perennial herb that is native to California.

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Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Cardamine occidentalis
© 2018 Susan McDougall
Genus: Cardamine
Communities: wetland-riparian

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Cardamine pratensis var. occidentalis
More information about  Cardamine occidentalis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Cardamine:  originally from the Greek kardamis for a kind of cress [a plant of the cabbage family, typically having small white flowers and pungent leaves] (contributed by Cynthia Powell)

occidentalis:  from the west, western [Latin] (contributed by Cynthia Powell)

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 24, 2019).