Promoting Research, Education, and Awareness of Weeds in Managed and Natural Ecosystems
Weeds and invasive plants impact the world around us and our daily lives. They can reduce crop yields, choke waterways, trigger allergies, disrupt the natural habitats of plants and animals, create fire and safety hazards, and reduce aesthetic and property values. These are just a few of the environmental impacts caused by weeds.
Weed Science Society of America
Headlines
WSSA regional affiliates honor top contestants for proven weed science expertise

WESTMINSTER, Colorado – 25 August 2026 – The Northeastern,
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Newly published research provides first evidence-based assessment, likely revenue loss

WESTMINSTER, Colorado –18 August 2026 – Recently published research in the journal Weed Technology assigns a significant annual cost to Illinois farmers if they were no longer able to use the herbicide glyphosate.
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Soil residual herbicide programs in Indiana resulted in no yield loss compared to programs without residual herbicides

WESTMINSTER,
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