Fallopia cristata (Engelmann & A. Gray) Holub. Crested Climbing Buckwheat. Phen: Jul-Oct. Hab: Moist to wet open habitats. Dist: MA, NY, IN, IL, MN, south to c. peninsular FL and TX.
Origin/Endemic status: Native
Syn: = Il, NE, NY, Va; = Bilderdykia cristata – S; = Polygonum cristatum – F, Tx, WV; = Polygonum scandens var. cristatum – C, GW2, K1, NcTx, Mitchell & Dean (1978); < Fallopia scandens – K3, K4, Tn, Ronse De Craene & Akeroyd (1988); < Polygonum scandens – WH3, Horton (1972); < Polygonum scandens var. cristatum – RAB
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