*Amaranthus caudatus Linnaeus. Phen: Jul-Oct. Hab: Disturbed areas, cultivated as an ornamental. Dist: Native of Andean South America. Cultivated and rarely escaped or persistent, as in TN (Chester, Wofford, & Kral 1997), and scattered in PA (Rhoads & Klein 1993).
Origin/Endemic status: South America
Synonymy: = C, F, FNA4, G, Il, K1, K3, K4, Mi, Mo2, NE, NY, Pa, WH3, Bayón (2015), Costea & Tardif (2003b)