The following are links to websites unless otherwise noted.
Other resources - in alphabetical order
Aquatic Plant Management Society, Inc.
Center for Aquatic and Invasive Plants University of Florida
Center for Invasive Plant Management
EPA Office of Water Invasive Species Program
Federal Interagency Committee for the Management of Noxious and Exotic Weeds
Federal Noxious Weed Act
Harmful Non-indigenous Species in the United States Publication
Invaders Database System, University of Montana
Invasive Alien Plant Species of Virginia
Jackson Hole Weed Management Association
Montana War on Weeds
Montana Weed Awareness and Educational Campaign
National Invasive Species Council
National Parks Strategic Plan for Managing Invasive Nonnatives