King County Noxious Weed List (Popularity: )

Weed identification in Washington State, USA.

California Noxious Weed Control Projects Inventory (Popularity: )

A combined government/private/non-profit effort to establish a database, accessible through the Internet, containing information on ...

Harney County Noxious Weedboard (Popularity: )

Information and advice on noxious weeds and their control in Southeastern Oregon.

Weed Science Society of America (Popularity: )

Publishers of Weed Technology. Weed Technology includes original research on weed biology and control, weed ...

Integrated Weed Control (Popularity: )

Biological products and consulting services for weed management. Montana.

Weed Research and Information Center (Popularity: )

An interdisciplinary collaboration that fosters research in Weed Management and facilitates distribution of associated knowledge ...

New Jersey Agricultural Weed Gallery (Popularity: )

Includes brief details, and photographs of the important weeds of NE United States.

Virginia Tech Weed Identification Guide (Popularity: )

Images and descriptions of many species of terrestrial and aquatic weeds in Virginia.

International Survey of Herbicide Resistant Weeds (Popularity: )

Information about weeds and their identification, control and herbicide resistance. A global collaborative effort.

Environmental Weeds Action Network (EWAN) (Popularity: )

A community initiative to tackle the problem of environmental weeds in bushland and waterways in ...

Environmental Weeds in Australia (Popularity: )

Brief introduction to some major environmental weeds in Australia, with photos.

National Weeds Strategy - Weeds of National Significance (Popularity: )

Australian site promoting key weed policies, regulations, current issues, national initiatives, research, extension training and ...

International Parthenium Research News Group (Popularity: )

Resources on this noxious weed for scientists and researchers. Includes a news group, picture gallery, ...

Weed Identification (Popularity: )

Key and species accounts for 172 species from the University of Illinois.

Iowa State Weed Science (Popularity: )

Detailed information and articles covering all aspects of agricultural weed science.