Persicaria careyi (Olney) Greene. Section: Persicaria. Carey's Knotweed. Hab: Moist soils, disturbed areas. Dist: NB west to ON and MN, south to VA, KY, IL, seemingly widely scattered. Reported for sc. PA (Rhoads & Klein 1993; Rhoads & Block 2007), DE, NJ, and MD (Kartesz 1999).

Origin/Endemic status: Native

Synonymy: = FNA5, Il, K3, K4, NE, NY, Pa; = Polygonum careyi Olney – C, F, G, K1, WH3

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