• A Professional Organization of Weed Scientists
    Southern Weed Science Society
  • Southern Weed Science Society

    A Professional Organization of Weed Scientists
  • A Professional Organization of Weed Scientists
    Southern Weed Science Society
  • A Professional Organization of Weed Scientists
    Southern Weed Science Society

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
Book Details


Registration is OPEN!

Registration for the SWSS 74th Annual Meeting is open! You can register via the member portal or if you are a non-member you can register here. 

Summer Newsletter is Here!

Check out the latest SWSS Summer Newsletter and older issues here.

Follow us on Twitter!

SWSS is on Twitter and you can follow us at @SouthWeedSciSoc

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