*Fallopia dumetorum (Linnaeus) Holub. Section: Fallopia. Phen: Jul-Nov. Hab: Disturbed areas, thickets. Dist: Native of Eurasia. Introduced at least as far south as scattered locations in c. and se. PA (Rhoads & Klein 1993; Rhoads & Block 2007), WV, KY, and TN. NS and MI south to FL and TX (FNA).
Origin/Endemic status: Eurasia
Synonymy: = FNA5, Il, K3, NE, NY; = Bylderdykia dumetorum (L.) Dumort. – S; = Fallopia dumentorum – Pa, orthographic error; = Polygonum scandens L. var. dumetorum (L.) Gleason – C, G, GrPl, K1; < Polygonum scandens L. – F, W, WH3, WV; < Polygonum scandens L. var. cristatum (Engelm. & A.Gray) Gleason – RAB