Penthorum sedoides Linnaeus. Phen: Jun-Oct. Hab: Shores, drawdown areas, moist forests, floodplain forests, moist disturbed areas, ditches. Dist: NB west to MB, south to Panhandle FL and TX; introduced from BC south to OR.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, Fl2, FNA8, G, GrPl, GW2, Il, K1, K3, K4, Mi, NcTx, NE, NY, Pa, RAB, S, Tn, Tx, Va, W, WH3, WV, Haskins & Hayden (1987)