4.2. Amaranthus blitoides S.Watson, Proc. Amer. Acad. Arts 12: 273. 1877.

Lectotype (designated by Fernald 1945: 139):— U.S.A. Iowa: Ames, gravelly or sandy soils especially around buildings and along roads, Bessey s.n. (GH00036983!, image of the lectotype available at https://kiki.huh.harvard.edu/databases/specimen_ search.php?mode=details&id=58020).