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Search Help Iowa State University. Center for Food Security and Public Health.
USDA. Agricultural Research Service.
Image Gallery is provided as a complimentary source of high-quality digital photographs available from the USDA's Agricultural Research Service, Office of Communications.
University of California - Berkeley. Digital Library Project.
USDA. APHIS. Plant Protection and Quarantine.
Includes images for citrus greening, insect vectors of citrus greening, and foliar symptoms of feeding by African Citrus psyllid
University of Georgia. Center for Invasive Species and Ecosystem Health.
Provides comprehensive information on cogongrass in Georgia along with links to other southeastern state efforts on cogongrass. To date, Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina and Texas have on-going research, education and/or control programs that are supported by university, state and federal agency cooperators.
USDA. FS. Invasive Species Program.
Published by: USDA. FS. San Dimas Technology and Development Center; National Forest System Invasive Species Program, DOT, Federal Highway Administration; DOI, Fish and Wildlife Service. This video will help maintenance crews recognize and control noxious weeds along roadsides. Road crews that maintain any type road, from interstate highways to aggregate roads, are the frontline in preventing the spread of invasive plants. Note: The video links require Windows Media Player for .wmv files.
USDA. FS. Invasive Species Program.
The documentary video, Defending Favorite Places, was produced on DVD as part of the National Invasive Species Threat Campaign. Linking invasive species management principles with the hunting and angling conservation ethic is critical as invasive species threaten the future of hunting and fishing.
European and Mediterranean Plant Protection Organization.