– Texas Weed Information Group

• Weed Science Organizations

  – Weed Science Society of America
  – Southern Weed Science Society
  – Western Society of Weed Science
  – North Central Weed Science Society
  – North Eastern Weed Science Society
  

• Herbicide Label Sites

  – CDMS Herbicide Labels
  – Big Greenbook
  

• Weed ID Sites

  – TAMU Vasular Plant Image Gallery
  – Weeds of North Central States
  – Virginia Tech Weed ID
  – Iowa State Weed ID
  – Oregon State Weed ID
  – California Weed ID
  – Missouri Weed ID
  – New Jersey Weed ID
  – BASF Weed ID
  – Midwestern Turf Weed ID
  – Agriliance Weed ID
  – New Mexico State University – Weed Information

• University Weed Science Sites

  – Georgia Weed Science
  – Iowa State Weed Science
  – Oklahoma State Weed Science
  – Illinois Weed Science
  – Missouri Weed Science

• Other Weed Science Sites

  – Weedalert.com
  – Compendium of Herbicide Adjuvants
  – Compendium of Pesticide Common Names
  – Herbicide Resistance Action Committee
  – International Survey of Herbicide Resistant Weeds
  – History of Herbicides

• Ag Chemical Sites

  – Agri Star
  – Agriliance
  – Arysta
  – BASF
  – Bayer CropScience
  – Becker Underwood
  – Cheminova
  – Crompton Crop Protection
  – Dow AgroSciences
  – Drexel Chemical
  – DuPont Crop Protection
  – EDEN Bioscience
  – Estes
  – FarmSaver.com
  – FMC
  – Goodpasture
  – Gowan
  – Gustafson
  – Helena
  – Makhteshim Agan
  – Micro Flo
  – Monsanto
  – Nichino America, Inc.
  – Nufarm Ag
  – Nufarm Turf & Specialty
  – PBI-Gordon
  – Sipcam Agro
  – Syngenta U.S.
  – United Agri Products
  – United Phosphorus Limited (Cerexagri)
  – Valent
  – Wilbur-Ellis