This page was updated on Thursday November 13 2008
University of California
Ag chemical resources
Universities
Organizations
California state
Specific weeds
Other states
Weeds in specific crops
Federal government
Miscellaneous
International
UC Cooperative Extension Rice Project :: links to weeds in rice
UC Davis Center for Plant Diversity (formerly known as the Herbarium)
UC Davis Plant Sciences
UC IPM Pest Notes (weeds)
UC Research and Information Centers
UC Riverside Botany & Plant Sciences
UC Riverside Cooperative Extension
UC Statewide Integrated Pest Management (IPM) Program
Colorado State University :: Weeds and weed management
Iowa State :: Weed science
New Mexico State University :: Weed science
North Carolina State University
North Dakota State University :: Weeds and weed control
Oregon State University :: Weed science program
Penn State University :: Weed management
Purdue University :: Indiana weed science
Rutgers University :: New Jersey weed gallery
Southern Illinois University :: Weed science
Texas A&M :: Broadleaf weeds
University of Arizona :: Rangeland weeds
University of Florida :: Center for Aquatic and Invasive Plants
University of Georgia :: Weed science
University of Illinois :: Weed science
University of Maryland :: Weed science
University of Missouri :: Delta Center Weed Science
University of Missouri-Columbia :: Weed science program
University of Nebraska-Lincoln :: Weed science
University of Wisconsin :: Weed science
University of Wyoming :: Weed identification
Virginia Tech :: Weed indentification guide
Washington State University :: Hortsense
California's Noxious Weeds :: CDFA
California Department of Food and Agriculture :: CDFA
California Department of Pesticide Regulation :: DPR
California DPR Continuing Education
Control of Invasive Exotic Plants in the Great Plains
Idaho One Plan :: Pest management
Kansas Dept. of Agriculture :: Plant Protection and Weed Control Program
Michigan Dept. of Agriculture :: Restricted and prohibited weeds
North Dakota Dept. of Agriculture :: Noxious Weeds Division
BLM Weeds :: Bureau of Land Management
ETOXNET :: Extension Toxicology Network
FICMNEW :: Federal Interagency Committee for the Management of Noxious and Exotic Weeds
NAPIS :: National Agricultural Pest Information System PestTracker
U.S. Fish and Wildlife Service :: Invasive Species Program
USDA-ARS Southern Regional Research Center
USDA-APHIS Noxious Weeds Program
USDA Crop Profiles
USDA Exotic and Invasive Weeds Research Unit
Australia :: Centre for Biological Information Technology :: University of Queensland
Australia :: Cooperative Research Centre for Australian Weed Management
Australia :: Tropical and Subtropical Weeds Research Unit:: University of Queensland
Australia :: Weeds Australia:: an Australian Weeds Committee National Initiative
Canadian Poisonous Plants Information System
Saskatchewan Agriculture and Food :: Guide to crop protection :: weed control
Saskatchewan Agriculture and Food :: Weed identification guide
Crop Data Management Systems (CDMS) :: Web site for MSDS's and chemical labels
Greenbook :: Web site for MSDS's and chemical labels for many chemical companies
Links to chemical manufacturers :: this page has logos for each company (text only page)
Aquatic Plant Management Society, Inc.
California Invasive Plant Council :: Cal-IPC
California Weed Science Society :: CWSS
Canadian Weed Science Society
Center for Invasive Plant Management
Colorado Weed Management Association
International Weed Science Society :: IWSS
Midwest Aquatic Plant Management Society :: MAPMS
North American Weed Management Association :: NAWMA
North Central Weed Science Society :: NCWSS
Northeastern Weed Science Society : NEWSS
Southern Weed Science Society :: SWSS
Weed Science Society of America :: WSSA
Weeds Gone Wild :: Alien Plant Invaders of Natural Areas
Western Society of Weed Science :: WSWS
Aquatic weeds
Goatsrue
Jointed goatgrass :: national research program
Leafy spurge :: biocontrol
Nutsedge
Purple loosestrife
Forage crops
Jointed goatgrass in winter wheat
Mustards in winter wheat
Small grain
Wild oat
Winter rye
Council for Agricultural Science and Technology :: CAST
Herbicide Company "Geneology" Chart :: Arnold P. Appleby, Prof. Emeritus, OSU
HowToCompost.org :: composting information
Meisterpro.com :: authoritative books and software for agriculture professionals
The Nature Conservancy
The Nature Conservancy :: Global Invasive Species Initiative
Photo Herbarium :: Weed Science Society of America