Mid-Atlantic Exotic Pest Plant Council - Addresses the problem of invasive exotic plants in the Mid-Atlantic region of the US. Brochure, e-mail group, organizational information, and links. Southeastern Exotic Pest Plant Council - Information about exotic plants invading natural areas in the southeastern states, controlling invasive plants, and landscaping with native plants. California Exotic Pest Plant Council - Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state's natural areas. Georgia Exotic Pest Plant Council - Information about the adverse effects exotic pest plants have on the diversity plants and animals native to Georgia, USA. Florida Exotic Pest Plant Council - Includes information on invasive exotic species, database, proposed research and educational programs, control guides and management plans, mailing list, membership information, and links. Pacific Island Ecosystems at Risk - Listings and descriptions of invasive plant species which threaten Pacific island ecosystems, particularly those of Micronesia and American Samoa. Plant Conservation Alliance - Alien Plant Working Group - is a web-based project of the PCA that provides information for the general public, land managers, researchers, and others on the serious threat and impacts of invasive alien (exotic, non-native) plants to the native flora, fauna, and natural ecosystems of the United States. Hawaiian Alien Plant Studies, UH Botany - A forum to promote public awareness and exchange of information regarding problems associated with the spread of alien plant species. MetroActive News & Issues: Alien Plants - The dreaded Arundo, also known as giant reed grass, coming soon to a neighborhood near you. Biological Control of Non-Indigenous Plant Species - Information and research from Cornell University on invasive plants. Information on Purple Loosestrife, Garlic Mustard, and Phragmites australis. Invasive Plants Association of Wisconsin - Educational non-profit organization concerned with the control of exotic plant species in Wisconsin (USA). Connecticut Invasive Plant Working Group - Information about non-native invasive and potentially invasive vascular plants in Connecticut, USA. Institute of Pacific Islands Forestry - Invasive Plants in Hawaii - Information about investigations of the ecology of invasive plant species; impacts of invasive species on forest health, management and restoration. Connecticut Policy on Non-Native Invasive Plant Species - Information provided by the state Department of Environmental Protection control measures, identification and education. Idaho Weed Summit - The Spread of Invasive Weeds in Western Wildlands. Noxious Weeds - Information about invasive species in King County, Washington, USA. Southwest Exotic Plant Mapping Program - A collaborative program designed to develop a regional database of exotic plant distributions for the southwest. Invasive Alien Plant Species of Virginia - Invasive species list, fact sheets, and list of native alternatives. APHIS Web: Noxious Weeds Program - APHIS has a major responsibility in preventing the spread of non-indigenous weeds into and through the United States. The Nature Conservancy - Invasive Species - Worldwide program for dealing with harmful invasive plant species threatening biodiversity on land and water. Includes background material, what TNC does, and what the public can do. Invasive Woody Plants in the Tropics Research Group - Global review of invasions resulting in a comprehensive database, an analysis of common characteristics and recommendations for management and control. Invasive Plant Atlas of New England - Maps and images of invasive species in the northeastern U.S. Wisconsin Department of Natural Resources - Invasive Species - Information about invasive plant and animal species in Wisconsin. Includes many detailed fact sheets. Federal Interagency Committee for the Management of Noxious and Exotic Weeds - Information about management of invasive weeds in the USA.