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Berberis canadensis P. Miller. clade: Group Septentrionales. American Barberry, Allegheny Barberry. Phen: Apr-May; Sep-Oct. Hab: Rocky woods, forest openings, glades, usually over mafic rocks (such as diabase) or calcareous rocks (such as limestone), sometimes along fence-rows in sw. VA (presumably spread by birds). Dist: A broad Southern Appalachian-Ozarkian endemic, not occurring in Canada (the epithet a misnomer): scattered and local in VA, WV, KY, TN, NC, SC, AL, GA, MO, IL, IN, and sc. PA (where apparently now extirpated).

Origin/Endemic status: Native

Other Comments: Along with Berberis vulgaris, Berberis canadensis was subjected to organized eradication programs because of its serving as an alternate host for wheat rust (Puccinia graminis).

Synonymy: = C, F, FNA3, G, Il, K1, K3, K4, Pa, RAB, S, S13, Tn, Va, W

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Heliophily: 6

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image of plant© Scott Ward | Original Image ⭷
image of plant© Alan Cressler: Berberis canadensis, Bibb County, Alabama 2 by Alan Cressler source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷
image of plant© Grant Morrow Parkins | Original Image ⭷

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