An official website of the United States government

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted  — in other words, any information or browsing history that you provide is transmitted securely.

U.S. Department of Agriculture
National Invasive Species Information Center
You are here
Home » Resources » Invasive Species Resources

Invasive Species Resources

Displaying 41 to 60 of 293

Search Help
Class B Noxious Weed: Diffuse Knapweed
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Eurasian Watermilfoil
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Houndstongue
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Japanese Knotweed
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Leafy Spurge
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Lesser Celandine
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Musk Thistle
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Purple Loosestrife
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Russian Knapweed
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Saltcedar
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Scotch Broom
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Scotch Thistle
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Spotted Knapweed
Washington State Noxious Weed Control Board.
Class B Noxious Weed: Yellow Starthistle
Washington State Noxious Weed Control Board.
Class C Noxious Weed: Canada Thistle
Washington State Noxious Weed Control Board.
Class C Noxious Weed: Common St. Johnswort
Washington State Noxious Weed Control Board.
Class C Noxious Weed: Common Teasel
Washington State Noxious Weed Control Board.
Class C Noxious Weed: Hoary Cress
Washington State Noxious Weed Control Board.
Class C Noxious Weed: Tree-of-Heaven
Washington State Noxious Weed Control Board.
Clean Boats, Clean Waters Program
University of Wisconsin. Extension Lakes Program.
The Clean Boats, Clean Waters volunteer watercraft inspection program is an opportunity to take a front line defense against the spread of aquatic invasive species.