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U.S. Department of Agriculture
National Invasive Species Information Center
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Invasive Species Resources

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Adirondack Park Invasive Plant Program
Adirondack Park Invasive Plant Program.
Africanized Honey Bees: Identifying Africanized Honey Bees
San Diego Natural History Museum.
Annual Plum Pox Virus Survey
Cornell University (New York). New York State Agricultural Experiment Station.
AQUAPLANT - Alligator Weed
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Chinese Tallow
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Common Reed
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Curly-Leafed Pondweed
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Egeria
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Eurasian Watermilfoil
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Giant Reed
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Giant Salvinia
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Water Hyacinth
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
AQUAPLANT - Water Lettuce
Texas A&M University. AgriLife Extension Service. Department of Wildlife and Fisheries Sciences.
Aquatic Invasive Plants: Preventing the Spread of Invasive Plants
Rhode Island Department of Environmental Management. Office of Water Resources.
You can take actions to prevent the further spread of AIS. It is essential for boaters and recreational users of lakes and ponds to be vigilant!
Aquatic Invasive Species
USDA. FS. Lake Tahoe Basin Management Unit.
Arkansas Plant Diseases Database
University of Arkansas. Cooperative Extension Service.
The collection of digital images is provided as a service to Arkansas agriculture. These images represent symptoms of both pathological (infectious) and non-pathological (physiological/environmental) disorders of agronomic row crops and horticultural crops that grow in Arkansas. These photos are useful as an identification tool to growers of the crops listed.
Asian Citrus Pysllid Distribution and Management
University of California. Agriculture and Natural Resources.
Provides information to both growers and home gardeners, in two distinct sub-sites -- to get the basics on the insect and the disease it can vector, how to inspect your trees, how to treat your tree if you find ACP, critical things to do to help contain the insect population and deal with Huanglongbing (HLB), as well as additional information more specific to California.
Asian Citrus Pysllid Distribution and Management - Distribution of ACP, HLB and Parasites in California
University of California. Agriculture and Natural Resources.
Austin Invasive Plants Management
Austin City Connection (Texas). Watershed Protection Department.
Bamboo Control
Clemson University Cooperative Extension. Home and Garden Information Center.