For Amaranthus
Bayón, N.D. 2015. Revisión taxonómica de las especies monoicas de Amaranthus (Amaranthaceae): Amaranthus subg. Amaranthus y Amaranthus subg. Albersia. Ann. Missouri Bot Gard. 101: 261-383.
Costea, M. and F.J. Tardif. 2008. The biology of Canadian weeds. 126. Amaranthus albus L., A. blitoides S. Watson, and A. blitum L. Can. J. Plant Sci. 83: 1039-1066.
Costea, M., A. Sanders, and G. Waines. 2001a. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). Sida 19: 931-974.
Costea, M., A. Sanders, and G. Waines. 2001b. Notes on some little known Amaranthus taxa (Amaranthaceae) in the United States. Sida 19: 975-992.
Costea, M., and F.J. Tardif. 2003b. Conspectus and notes on the genus Amaranthus in Canada. Rhodora 105: 260-281.
Henrickson, J. 1999. Studies in New World Amaranthus (Amaranthaceae). Sida 18: 783-807.
Mosyakin, S.L., and K.R. Robertson. 2003. Amaranthus. Pp. 410-435. In Flora of North America Editorial Committee. 2003b. Flora of North America north of Mexico. Volume 4, Magnoliophyta: Caryophyllidae, part 1. Oxford Univ. Press, New York, NY. 559 pp.
Sauer, J.D. 1955. Revision of the dioecious amaranths. Madroño 13: 5-46.
Townsend. 1993. In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp.
Waselkov, K.E., and K.M. Olsen. 2014. Population genetics and origin of the native North American agricultural weed waterhemp (Amaranthus tuberculatus; Amaranthaceae). Amer. J. Bot. 101: 1726-1736.
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