*Berberis thunbergii A.P. de Candolle. clade: Group Septentrionales. Japanese Barberry. Phen: Mar-Apr; May-Sep. Hab: Rich forests, old fields. Dist: Native of Japan. This species is immune to wheat rust; it is now the most commonly encountered barberry in much of our area.

Origin/Endemic status: E. and se. Asia

Synonymy: = Ar, C, F, FNA3, G, Il, K1, K3, K4, Mi, NE, NY, Pa, RAB, S, Tat, Tn, Va, W; = n/a – S13

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: UPL
• Eastern Mountains and Piedmont: FACU
• Great Plains: UPL
• Midwest: FACU
• Northcentral & Northeast: FACU

Heliophily: 5