1. D. D. Anderson, F. W. Roeth, and A. R. Martin .1996 .Occurrence and control of triazine-resistant common waterhemp (Amaranthus rudis) in field corn (Zea mays)., Weed Technol, 10 :570 –575 .
2. M. Costea, and F. J. Tardif .2003 .Conspectus and notes on the genus Amaranthus in Canada., Rhodora, 105 :260 –281 .
3. A role for glutathione transferases functioning as glutathione peroxidases in resistance to multiple herbicides in black-grass
4. M. J. Foes, L. Liu, P. J. Tranel, L. M. Wax, and E. W. Stoller .1998 .A biotype of common waterhemp (Amaranthus rudis) resistant to triazine and ALS herbicides., Weed Sci, 31 :514 –520 .
5. A. G. Hager, W. L. Patzoldt, and P. J. Tranel .2002a .Confirmation of PPO-inhibitor resistance in an Illinois waterhemp population., Proc. North Cent. Weed Sci, 57 :71 .