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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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Fire Ants
Oklahoma State University. Department of Entomology and Plant Pathology.
Note: Maps of potential range expansion for the red imported fire ant in Oklahoma and the United States
Giant Hogweed in Connecticut
University of Connecticut. Connecticut Invasive Plant Working Group.
Nuisance & Invasive Species - Emerald Ash Borer
New York State Department of Environmental Conservation.
Nuisance & Invasive Species - Giant Hogweed: Do Not Touch This Plant!
New York Department of Environmental Conservation.