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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.
Compiled Invasive Plant List

University of Maryland. Home and Garden Information Center.
Electronic Field Guide to the Invasive Plants of Nantucket
University of Massachusetts - Boston.
Examples of Invasive Species in Hawaii
Hawaii Invasive Species Council.
Fish Dangerous to Indigenous Fish Populations - 6 CRR-NY 180.9
New York Codes, Rules, and Regulations.
Hawaii's Most Invasive Horticultural Plants (May 2001)
Hawaii Department of Land and Natural Resources. Division of Forestry and Wildlife.
Importation of Plants, Insects, Microorganisms and Non-Domestic Animals
Hawaii Department of Agriculture.
Invasive Species of Concern in Maryland
Maryland Invasive Species Council.
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.
Kentucky Invasive Exotic Plant List
Kentucky Exotic Pest Plant Council.
Kentucky Noxious Weed Seeds
University of Kentucky. College of Agriculture. Division of Regulatory Services.
List of Non-native Invasive Plants in Georgia
Georgia Exotic Pest Plant Council.
List of Prohibited Animals §4-71-6 (Nov 2006) (PDF | 73 KB)
Hawaii Department of Agriculture.
Maryland Invasive Plant List (PDF | 515 KB)

Maryland Department of Agriculture.

See also: Maryland Invasive Plants Prevention and Control for more information about the Maryland Invasive Plant Regulations
Massachusetts Invasive Plant Advisory Group
Massachusetts Invasive Plant Advisory Group.
Massachusetts Prohibited Plant List
Massachusetts Department of Agricultural Resources.
Michigan's Invasive Species Program - Watch List
Michigan.gov.
Noxious Weed Seeds of New York (PDF | 29 KB)
New York State Agricultural Experiment Station.
Prohibited and Restricted Weeds
Michigan Department of Agriculture and Rural Development.
Prohibited Exotic Wildlife
Kentucky Department of Fish and Wildlife Resources.