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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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A Brief Guide to Kentucky's Non-Native, Invasive Species, Common Weeds, and Other Unwanted Plants (PDF | 4.7 MB)
Louisville Water Company.
Aquatic Invasive Species (AIS)
Pennsylvania Fish and Boat Commission.
Scroll to view list of aquatic species banned in Pennsylvania.
Australia’s 10 Worst Invasive Species (Feb 19, 2019)
National Environmental Science Programme (Australia). Threatened Species Recovery Hub.
New research by the Threatened Species Recovery Hub has shown that invasive or pest species are a problem for 1,257 threatened species in Australia, or about four out of five species. The research which has been published in the scientific journal Pacific Conservation Biology also identified the top ten invasive species based on how many threatened species they impact. Lead researcher Stephen Kearney from the University of Queensland said many people may be surprised at which species top the list. “Rabbits, a plant root disease and feral pigs are the top three pest species impacting Australia’s threatened species,” Mr Kearney said.
DCNR Invasive Plants (PDF | 471 KB)
Pennsylvania Department of Conservation and Natural Resources.
Invasive Species
Bermuda Department of Environment and Natural Resources.
Invasive Species - Aquatic Plants
Idaho Department of Agriculture.
Includes Statewide EDRR List, Statewide Control List, and Statewide Containment List
Invasive Species - Terrestrial Plants
Idaho Department of Agriculture.
Includes Statewide EDRR List, Statewide Control List, and Statewide Containment List
Invasive Species Of Interest List (2016) (PDF | 24 KB)
Mid-Atlantic Panel on Aquatic Invasive Species.
Kentucky Invasive Exotic Plant List
Kentucky Exotic Pest Plant Council.
Kentucky Noxious Weed Seeds
University of Kentucky. College of Agriculture. Division of Regulatory Services.
Mid-Atlantic Exotic Pest Plant Council Plant List
Invasive.org.
Naming and Shaming Australia's Most Unwanted Pests (Sep 19, 2016)

Australian Government. Department of Agriculture and Water Resources.
​Crippled plant industries, trade suspensions and a devastated environment—Australia's Top 40 National Priority Plant Pests have damaging potential, from vine-attacking bacteria to a giant snail. The Top 40 pests were recently endorsed by Plant Health Committee, Australia's top committee for plant biosecurity. They were identified through a national expert elicitation process, which considered the economic, social and environment threats the pests posed to Australia. For more information see Australia's National Priority Plant Pests.
National List of Naturalised Invasive and Potentially Invasive Garden Plants for Australia

World Wildlife Fund Australia.
New Zealand Plant Conservation Network
New Zealand Plant Conservation Network.
New Zealand Weeds

University of New Zealand. Massey University.
Non-native and Invasive Plants in Delaware (Apr 2013) (PDF | 841 KB)
Delaware Department of Natural Resources and Environmental Control. Natural Heritage Program.
Noxious Weed Control List - Title 7, Chapter 110

Pennsylvania Code.
Noxious, Invasive and Poisonous Plant Program
Pennsylvania Department of Agriculture.
The Pennsylvania Department of Agriculture administers the Noxious Weed Control Law and Noxious Weed Control List and implements federal and state eradication and control programs when a noxious weed of limited distribution in the commonwealth is targeted by federal or state funding for suppression, control or eradication.
Pacific Island Ecosystems at Risk (PIER)
USDA. FS. Institute of Pacific Islands Forestry.
Potential Invaders of Non-Native, Invasive Plants in Delaware (Dec 2011) (PDF | 238 KB)
Delaware Department of Natural Resources and Environmental Control. Natural Heritage and Endangered Species Program.