Taxon  Report   1493 
Cardamine oligosperma  Torrey & A. Gray
Bitter cress,  Idaho bittercress
Cardamine oligosperma
© 2008 Steve Matson
Click on a photo to see it bigger.
Cardamine oligosperma
© 2008 Gary McDonald
Cardamine oligosperma
© 2011 Steven Perry
Cardamine oligosperma, a dicot, is an annual or perennial herb that is native to California and is also found elsewhere in North America and beyond.

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Plant Characteristics
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Bloom Period
Cardamine oligosperma
© 2008 Jorg Fleige
Genus: Cardamine
Chaparral, Foothill Woodland, Southern Oak Woodland, Northern Oak Woodland, Yellow Pine Forest, wetland-riparian
Habitat: canyons [Walker]
Wetlands:Usually occurs in wetlands, but occasionally found in non wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Cardamine oligosperma

Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Cardamine oligosperma
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 24, 2016).

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