Weeds of the Midwestern United States and Central Canada
Edited by Charles T. Bryson and Michael S. DeFelice. Principal photography by Arlyn W. Evans and Michael S. DeFelice.
Quick help for identifying and managing potentially problematic plants
Book Details
Weeds of the South
Edited by Charles T. Bryson and Michael S. DeFelice
Quick help for identifying and managing problem plants
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2020 National Weed Science Contest:
Due to COVID-19, the contest has been canceled. Corteva will host the contest in 2021.
2021 Annual Meeting Dates
Monday, January 25 & Tuesday, January 26 – Virtual