The following plants are the most serious invasive species in northeastern Wisconsin. This site is designed to provide images to help in identifying these plants. There are numerous sites on the web with good information on these species, including control methods.

If you find a population of one of the invasive species in Wisconsin you may report it to the Wisconsin invasive plants reporting and prevention project.

For more information and links concerning invasive plants in Wisconsin contact

• Invasive Plants Association of Wisconsin.
• Wisconsin DNR. including “Manual of Control Recommendations for Ecologically Invasive Plants”.
  and “Wisconsin's Aquatic Plant Management and Protection Program”.
• TNC invasives website. Good explanations and, for many species, discussions of control methods.