Amaranthus retroflexus Linnaeus, Species Plantarum 2: 991. 1753.

"Habitat in Pensylvania. Kalm." RCN: 7183.

Lectotype (Townsend in Nasir & Ali, Fl. W. Pakistan 71: 12. 1974): Herb. Linn. No. 1117.22 (LINN) .

Current name: Amaranthus retroflexus L. ( Amaranthaceae).

Note: Brenan (in Watsonia 4: 271. 1961) discussed the material in LINN but did not typify the name.