International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers


PowerPoint Charts Available for Download - December 6th 2014
High resolution PowerPoint charts available for presentations and extension publications. The PowerPoint contains charts made in Excel. Data from December 6th, 2014. WSSA version (WSSA Group Numbers) and HRAC version (HRAC Group Letters) . PowerPoint Charts

The following "LIVE" graphs are generated directly from the database so they are always up to date.

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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, November 26, 2015 .  Available
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