University of Wisconsin Sea Grant.
Montana State University.
The Center for Invasive Species Management closed in 2015. Archives of relevant materials are available here.
University of Wisconsin - Madison.
Mississippi State University. Extension Service.
Mississippi State University. Geosystems Research Institute.
Universidad de Concepción (Chile).
Pennsylvania State University. Cooperative Extension.
Colorado State University. Department of Bioagricultural Sciences and Pest Management.
University of Wisconsin - Extension.
Mississippi State University. Center for Resolving Human-Wildlife Conflicts.