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Berberis thunbergii

We have two species, Berberis thunbergii Japanese barberry, and B. vulgaris, Common or European barberry. Both have escaped from cultivation. The spine tipped leaves make these a good privacy hedge. The European species is eradicated because it is an alternate host for stem rust of wheat.

Photo of Barberry

Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension