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Invasive Species Resources

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New Hampshire Department of Environmental Services.
New York Codes, Rules, and Regulations.
Kansas Department of Wildlife, Parks, and Tourism.
Florida Exotic Pest Plant Council.
Hawaii Department of Land and Natural Resources. Division of Forestry and Wildlife.

Maine Department of Agriculture, Conservation and Forestry.

South Carolina Department of Natural Resources. Aquatic Nuisance Species Program.
Oregon Administrative Rules.
Scroll to view: Prohibited Species (635-056-0050)
Indiana Department of Natural Resources.
The Indiana Terrestrial Plant Rule (312 IAC 18-3-25) designates 44 species of plants as invasive pests. This rule makes it illegal to sell, gift, barter, exchange, distribute, transport, or introduce these plants in the State of Indiana. This rule goes into effect in two stages. As of April 18, 2019, it is illegal to introduce plant species on this list not already found in Indiana. Plant species already in trade will be prohibited from sale one year later (April 18, 2020).
Northeast Marine Introduced Species.
University of Connecticut. Connecticut Invasive Plant Working Group.
These plants are known to be invasive or potentially invasive in Connecticut and are on Connecticut's list of Invasive and Potentially Invasive Plants. They are known to be present only in relatively low numbers at limited locations in Connecticut. These species should be considered for control and eradication efforts in the state when resources are available. If you find these species: Report your findings immediately to the CT Invasive Plant Coordinator at reportinvasives@uconn.edu.
North Carolina Native Plant Society.
Virginia Native Plant Society.
New Jersey Department of Environmental Protection.

West Virginia Department of Natural Resources. Natural Heritage Program.

See also: Invasive Plants In West Virginia for more information

University of Illinois Extension.

Technical Forestry Bulletin NRES-160.