Taxon  Report   1076 
Berberis pinnata  Lag.  ssp. insularis  Munz
Island barberry
Berberis pinnata ssp. insularis
© 2006 Steve Matson
More photos from
CalPhotos / Calflora
Berberis pinnata ssp. insularis
© 2006 Steve Matson
Berberis pinnata ssp. insularis
© 2014 Zoya Akulova
Berberis pinnata ssp. insularis, a dicot, is a shrub that is native to California and is endemic (limited) to California.
formerly Mahonia pinnata ssp. insularis
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Endangered and by the Federal Government as 'Endangered '.

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
Berberis pinnata ssp. insularis
© 2006 Steve Matson
Genus: Berberis
Parent Record Berberis pinnata
Foothill Woodland, Coastal Sage Scrub, Closed-cone Pine Forest
Toxicity: MAJOR   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Berberis pinnata ssp. insularis

Name Status:
Accepted by JEF + CNPS + JM93
PLANTS accepted name: Mahonia pinnata ssp. insularis
Alternate Names:
(according to)

ICPN + CNPS: Mahonia pinnata ssp. insularis
More information about  Berberis pinnata ssp. insularis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 26, 2018).

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