Pennsylvania Fish and Boat Commission.
Scroll to view list of aquatic species banned in Pennsylvania.
University of Maryland. Home and Garden Information Center.
Pennsylvania Department of Conservation and Natural Resources.
Maryland Invasive Species Council.
Georgia Exotic Pest Plant Council.
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.
West Virginia Code of State Rules.
Potomac Highlands Cooperative Weed and Pest Management Area (West Virginia).
Georgia Invasive Species Task Force.
Georgia Department of Natural Resources.