Taxon  Report   1073    
Berberis nervosa  Pursh
Cascades oregon grape,  Oregongrape
Berberis nervosa
© 1995 Saint Mary's College of California
Photos from
CalPhotos / Calflora
Berberis nervosa
© 2011 Jean Pawek
Berberis nervosa
© 2005 David A. Tharp
Berberis nervosa, a dicot, is a shrub that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Berberis nervosa
© 2011 Steve Matson
Genus: Berberis
Communities: Redwood Forest, North Coastal Coniferous Forest, Douglas-Fir Forest

Toxicity: MAJOR

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF

PLANTS accepted name:
Mahonia nervosa

Alternate Names:
ICPN: Mahonia nervosa
More information about  Berberis nervosa
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
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 17, 2019).