- Department of Environment and Heritage - Invasive Species
 - Offers an introduction to the Australia's feral animals, non-native invertebrates and insects from Europe, introduced marine pests, weeds, diseases, and parasites. - Invasive Plants of Canada (IPCAN)
- Initiative of the National Botanical Services, compiling information on the biology, distribution, and control of invasive exotic plants and developing databases for computer mapping and analysis.
- National Invasive Species Information Center
- Gateway to information, organisations, and services about invasive species.
- U.S. Army Corps of Engineers - Zebra Mussel Research Program
- Federally authorised research programme for the development of technology to control Zebra Mussels.
- U.S. Fish and Wildlife Service - Invasive Species Program
- Activities to prevent and control invasive plant and animal species that severely impact the lands and waters of the United States.
- USDA Animal and Plant Health Inspection Service@
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