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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.
AIS Species and Identification
Montana Fish, Wildlife, and Parks.
Alaska Exotic Plants Information Clearinghouse (AKEPIC): Non-Native Plant Species List
University of Alaska - Anchorage. Alaska Center for Conservation Science.
Article XXII Invasive Species Control - Listed Species (PDF | 160 KB)
City of Chicago. Department of Environment.
Controlled Species
Montana Fish, Wildlife, and Parks.
Electronic Field Guide to the Invasive Plants of Nantucket
University of Massachusetts - Boston.
Fish Dangerous to Indigenous Fish Populations - 6 CRR-NY 180.9
New York Codes, Rules, and Regulations.
Invasive Exotic Species List
North Carolina Native Plant Society.
Invasive Plant Species Regulated by the Illinois Exotic Weed Act (Jan 2016) (PDF | 2.2 MB)

University of Illinois Extension.

Technical Forestry Bulletin NRES-160.
Invasive Plants in the Chicago Region
Chicago Botanic Garden.
Invasive Species Regulations: Regulated and Prohibited Invasive Species
New York Department of Environmental Conservation.
A regulation was adopted in 2014 that prohibits or regulates the possession, transport, importation, sale, purchase and introduction of select invasive species. The purpose of this regulation is to help control invasive species, a form of biological pollution, by reducing the introduction of new and spread of existing populations.
Invasive, Exotic Plants of the Southeast

North Carolina State University. Cooperative Extension. Going Native: Urban Landscaping for Wildlife with Native Plants.
Kentucky Invasive Exotic Plant List
Kentucky Exotic Pest Plant Council.
Kentucky Noxious Weed Seeds
University of Kentucky. College of Agriculture. Division of Regulatory Services.
Massachusetts Invasive Plant Advisory Group
Massachusetts Invasive Plant Advisory Group.
Massachusetts Prohibited Plant List
Massachusetts Department of Agricultural Resources.
Montana Noxious Weed List (Jun 2019) (PDF | 142 KB)
Montana Department of Agriculture.
See also: Noxious Weeds for more resources
Non-Native and Invasive Animals of Alaska: A Comprehensive List and Select Species Status Reports (Jan 2008) (PDF | 1 MB)
University of Alaska - Anchorage. Alaska Natural Heritage Program.
Noxious Aquatic Weed List - 15A NCAC 02G .0602
North Carolina Administrative Code.
Noxious Weed Regulations
North Carolina Department of Agriculture and Consumer Services.