Taxon  Report   1493    
Cardamine oligosperma  Nutt.
Bitter cress,  Idaho bittercress
Cardamine oligosperma
© 2008 Jorg Fleige
Photos from
CalPhotos / Calflora
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, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Cardamine oligosperma
© 2008 Steve Matson
Genus: Cardamine
Communities: Chaparral, Foothill Woodland, Southern Oak Woodland, Northern Oak Woodland, Yellow Pine Forest, wetland-riparian

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: canyons

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Cardamine oligosperma var. oligosperma
More information about  Cardamine oligosperma
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

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 18, 2019).