Cuscuta polygonorum Engelmann. Phen: Jul-Oct. Hab: On Polygonum and other hosts. Dist: NY and ON west to ND, south to FL and TX.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, G, GrPl, Il, K1, K3, K4, Mi, NE, NY, Pa, S, Tn, Tx, Va, W, Costea, Nesom, & Stefanović (2006a), Gandhi, Thomas, & Hatch (1987), Musselman (1986), Spaulding (2013a), Yuncker (1965)