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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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A Brief Guide to Kentucky's Non-Native, Invasive Species, Common Weeds, and Other Unwanted Plants (PDF | 4.7 MB)
Louisville Water Company.
About Asian Carp
University of Minnesota. Minnesota Aquatic Invasive Species Research Center.
AIS in Minnesota - Spiny Waterflea
University of Minnesota. Minnesota Aquatic Invasive Species Research Center.
Anthracnose Diseases of Dogwood (PDF | 313 KB)
University of Arkansas. Cooperative Extension Service.
See also: Common Disease Problems for more fact sheets.
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 Species - Purple Loosestrife

Minnesota Department of Natural Resources.
Asian Soybean Rust (PDF | 405 KB)
University of Arkansas. Cooperative Extension Service.
See also: Field Crop Diseases in Arkansas for more factsheets
Avian Pox in Small Flocks (PDF | 139 KB)
University of Arkansas. Cooperative Extension Service.
See also: Hobby and Small Flock Poultry in Arkansas for more factsheets
Biology, Identification and Management of Spotted Wing Drosophila (PDF | 363 KB)
University of Arkansas. Cooperative Extension Service.
See also: Fruits, Nuts, & Vegetables - Insect Management in Arkansas for more factsheets
Boxwood Blight
New Hampshire Department of Agriculture, Markets, and Food.
Boxwood blight is a disease affecting plants in the family Buxaceae including boxwoods (Buxus), Pachysandra, and Sarcococca plants. First detected in the U.S. in 2011, it has since been found in multiple states and provinces from the East Coast to the West Coast. Boxwood blight has now been confirmed on boxwood nursery stock in New Hampshire. New Hampshire nurseries, landscapers, town officials and residents responsible for boxwood plantings should learn the symptoms associated with boxwood blight. Watch for black lesions on stems, "zonate" brown spots on leaves leading to chlorosis, and leaf drop. If boxwood blight is suspected on recently purchased boxwoods, or plants in proximity to recently purchased boxwoods, please contact the Division and collect a sample for analysis by the UNH Plant Diagnostic Lab.
Boxwood Blight: A New Ornamental Disease Threat (PDF | 446 KB)
University of Arkansas. Cooperative Extension Service.
See also: Extension Publications for more resources