• 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


SWSS 2019 Annual Meeting Program

Click here for the 72nd Annual Meeting Program

Submission of Titles for the 2019 Annual Meeting

Submit Title/Abstract here and the deadline to submit is October 5, 2018.

Important Annual Meeting Dates:

Meeting Dates:                           February 3 – 6, 2019

Title Submission Opens:           September 3 (Monday)

Submissions Closed for
Papers, posters, & awards:       October 5 (Friday)

Abstracts Due:                          February 1, 2019 (Friday)

Presentations Due:                   February 3, 2019 (Sunday)

2019 Collegiate Weeds Contest:

Hosted by BASF, Bayer, Corteva, and Valent

Date:                 Thursday, July 25, 2019

Location:          Seymour, Illinois

Click here for rules and more information