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| Universities | State | Federal Government | International | Agricultural Chemical Companies |
| Organizations | Specific Weeds | Weeds in Specific Crops | Miscellaneous |
Universities
- University of California - Weed Research and Information Center
- Colorado State University - Weeds and Weed Management
- University of Georgia Weed Science
- University of Illionis, Urbana-Champaign - Weed Identification
- Iowa State Weed Science
- University of Maryland Weed Science
- University of Missouri Weed Science
- New Mexico State University Weed Science
- Purdue Herbicide List
- Rutgers University - weed images
- Texas A&M - Broad Leaf Weeds
- Virginia Tech Weed Science
- Southern Illinois University
- North Dakota State University - 1997 North Dakota Agricultural Weed Control Guide
- University of Konstanz
- University of Queensland, Brisbane- Tropical and Subtropical Weeds Research Unit
- Arizona Rangeland Weeds
- Control of Invasive Exotic Plants in the Great Plains
- Idaho’s Noxious Weeds- an excellent site for weed identification
- Kansas Noxious Weeds
- Michigan - Weeds and Weed Management
- North Dakota Weed Information
- BLM Environmental Education
- Federal FICMNEW - Interagency Committee for the Management of Noxious and Exotic Weeds
- National Agricultural Pests Information System
- National Biological Control Institute
- National Park IPM of Weeds
- USDA-APHIS Weed Information
- USDA ARS Weed Science Laboratory (Beltsville)
- Australia - Cooperative Research Center for Weed Management Systems
- Australia - Environmental Weeds
- Australia and New Zealand- Council of Australasian Weed Societies
- British Columbia - Alphabetical Index to Noxious and Other Selected Weeds
- Saskatchewan Agriculture and Food
- FAO-Weeds - a directory of weed scientists, go under database/directory
- FMC Corporation Home Page - great site with pictures of weeds and pests
- FMC Corporation Product Labels
- Monsanto
- Rohm and Haas Agricultural Products - products and labels
- Rohm and Haas Turf and Ornamental Products - products and labels
- Valent Agricultural Products
- Asian Pacific Weed Science Society (APWSS)
- Brazilian Weed Science Society (Sociedade Brasileira da Ciencia das Plantas Daninhas (SBCPD))
- The Council of Australasian Weed Science Societies Inc
- Weed Science Society of China (CSPP)
- South African Weed Science Society
- Pesticide Science Society of Japan
- The Korean Society of Weed Science
- Latin American Weed Science Society (ALAM)
- American Crop Protection Association
- Colorado Weed Management Association
- Cuban Weed Science Society (Sociedad Cubana de Malezología)
Eng. Luis E. Rivero, President
Rice Research Institute(Instituto de Investigaciones del Arroz)
Autopista Novia del Mediodía km 16 ½,
Bauta, La Habana, Cuba
e-mail: luise@iiarroz.cu
phone: (53)-473550, (537)-8303028
Rice Research Institute(Instituto de Investigaciones del Arroz)
Autopista Novia del Mediodía km 16 ½,
Bauta, La Habana, Cuba
e-mail: luise@iiarroz.cu
phone: (53)-473550, (537)-8303028
The Weed Society of Queensland - European Weed Research Society (EWRS)
- Florida Weed Science society (FWSS)
- Indian Society of Weed Science
- International Weed Science Society
- The Israel Weed Science Society (WSSI)
- Latin American Weed Science society (Asociación Latinoamericana de Malezas, ALAM)
- North American Weed Management Association
- Weed Science Society of Victoria, Australia
- Weed Science Society of America
- The Weed Science Society of Japan WSSJ)
- Weed Science Society of Pakistan
- Western Society of Weed Science
- World Congress of Soil Science (WCSS)
- International Parthenium Research News Group (IPRNG)
- Canadian Weed Science Society
- Weed Science Society of the Republic of China
- The International Parasitic Plant Society (IPPS)
- Venezuelan Weed Science Society (Sociedad Venezolana de Malezas, SOVECOM)
- Southern African Weed Science Society
- Aquatic Weeds
- Biological Control of Weeds
- Goatsrue
- Jointed Goatgrass
- Biocontrol of Leafy Spurge
- Biological Control of Purple Loosestrife
- Yellow Starthistle
- Aquatic Weeds
- Biological Control of Purple Loosestrife
- Cotton Weed Control - in North Carolina
- Forage Crops Weed Control - in New York State
- Weeds in Minnesota Wheat
- Council for Agricultural Science and Technology
- The Composter’s Forum
- The Nature Conservancy’s Wildland Weeds
- CropNet - Weeds
- MSDS and Herbicide Labels
- Terms used in Weed Science
- Federal Interagency Committee for the Management of Noxious and Exotic Weeds.
- UC Pest Management Guidelines - Weed Photo Gallery
- International Survey of Herbicide Resistant Weeds
- HRAC (Herbicide Resistance Action Committee)
- IPMnet News (Free monthly electronic newsletter)
- Aquatic Hitchhikers: What Boaters Can Do to Stop the Spread of Invasive Species