Berberis thunbergii

Characteristics
Berberis thunbergii DC.
Japanese barberry
Weedy in understories of mesic forests, thickets, and roadsides. This shrub is an aggressive invasive species and can form a dense shrub layer in forests. It is more common in the southern parts of the state and perhaps fairly uncommon in the coolest regions.
Shrub
Perennial
Vascular
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Not Native Naturalized UPL, FACU (NWPL) FACU (NWPL EMP) FACU (NWPL NCNE) SNA (State Rank) GNR (Global Rank)
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Classification
Eudicots
Ranunculales
Berberis thunbergii DC. - Japanese barberry
Citation
Berberis thunbergii DC.
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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display its name.

Source
Synonyms
Plant Photos
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 11 Apr 2002 - 1
Berberis_thunbergii_ANelson_020411_01.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 20 Mar 2003 - 1
Berberis_thunbergii_ANelson_030320_01.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 11 Sep 2007 - 1
Berberis_thunbergii_ANelson_070911_02.jpg
Photo by: Andrew Nelson - Rice Creek Field Sta., SUNY Oswego Photo taken: Oswego County, NY: 22 Oct 2007 - 1
Berberis_thunbergii_ANelson_071022_02.jpg
Photo by: Sara R. Stebbins - Environmental Design & Research. Photo taken: Chautauqua Co., NY: 22 Jul 2016 - 2
Berberis_thunbergii_SStebbins_20160722.jpg