Invasive Plants Information
National Invasive Species Council
Federal efforts related to invasive species, National Invasive Species Council, legislation links.
Invasive Plant Guide
Information about invasive species issues and the field guide Invasive Plants by Sylvan Kaufman and Wallace Kaufman and updates on new invasive plant findings in North America.
Maryland Invasive Species Council (MISC)
Lists invasive plants, animals, insects and diseases for Maryland. Fact sheets, links to resources.
Mid-Atlantic Invasive Plant Council
Regional information exotic pest plants and links to other invasive plant councils.
Native alternatives to invasive plants.
St. Louis Codes of Conduct
Voluntary codes of conduct related to invasive plants.
The Nature Conservancy's Invasive Species Initiative
Summaries of many invasive species with control information and photos.
Virginia Invasive Plants list
Weeds Gone Wild
International lists of invasive plants, fact sheets.