THE BIOLOGY OF CANADIAN WEEDS.: 44. Amaranthus retroflexus L., A. powellii S. Wats. and A. hybridus L.

Publisher Website
Google Scholar
Abstract
A summary of biological information is provided on Amaranthus retroflexus L., A. powellii S. Wats. and A. hybridus L. These three pigweed species are annual weeds of cultivated fields and other open, disturbed habitats. A. retroflexus is found in all provinces of Canada except Newfoundland. A. powellii is found in British Columbia and in southern Ontario. A. hybridus occurs in southwestern Ontario.