Agriculture Weed Control

• Australian National Botanic Gardens: Environmental Weeds in Australia  - Contains information table featuring various species of weeds.
• Calweed Database  - Clearing-house for noxious weed control projects in California.
• Integrated Weed Control  - Offers biological products and consulting services for managing weeds.
• International Survey of Herbicide Resistant Weeds  - Aims to monitor the evolution of herbicide-resistant weeds and assess their impact throughout the world.
• Iowa State Weed Science  - Access to links, references, and articles pertaining to weed science.
• New Jersey Weed Gallery  - Compilation of photos and descriptions of different weeds found in New Jersey.
• Noxious Weeds in the US and Canada  - Searchable database featuring various noxious weeds found in the US and Canada.
• University of California Weed Research and Information Center  - Fosters research and education in the field of weed management.
• University of Nebraska Weed Science  - Contains details about the program along with details on weed identification, research, and education.
• Virginia Tech Weed Identification Guide  - Contains a list of references, botanical descriptions, grass weed identification key, extension publications, and scientific name index.
• Weed Science Society of America  - Fosters research, education and extension activities pertaining to weed management.
• Weeds of National Significance  - Contains data and analysis of determining weeds with national importance.