University of Tennessee. Agricultural Sciences and Natural Resources.

USDA. Economic Research Service.

Note: Webarchive; provides economic background information

Clemson University. Extension Service.

Published by: North Carolina State University Cooperative Extension; University of Georgia Cooperative Extension; Clemson University Cooperative Extension; Virginia Cooperative Extension; South Carolina Soybean Board.

USDA. Forest Service.

Inadvertently introduced in the northeastern United States in the 1930s, mile-a-minute weed is a highly aggressive invasive plant that is replacing native species in many areas of the Nation. While a biocontrol agent has been identified, finding and reaching dense patches of mile-a-minute weeds has been a problem for land managers. The solution may be drones carrying environmentally friendly pods packed with tiny weevils.

Washington Department of Fish and Wildlife.

Northern Ireland Environment Agency; National Parks and Wildlife Service (Ireland).

Northern Ireland Environment Agency; National Parks and Wildlife Service (Ireland).

Forest Gene Conservation Association (Canada).

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Michigan State University. Midwest Invasive Species Information Network.

Potomac Highlands Cooperative Weed and Pest Management Area (West Virginia).

St. Lawrence - Eastern Lake Ontario Partnership For Regional Invasive Species Management (New York).

St. Lawrence - Eastern Lake Ontario Partnership For Regional Invasive Species Management (New York).

The African clawed frog was first discovered in California in 1968. It was imported for laboratory research and the pet trade. This species can negatively impact native amphibian and fish populations.

African swine fever was first identified in Kenya in 1921 and spread among domestic and wild pigs. This disease is a highly contagious and fatal viral disease affecting domestic and wild pigs; one of the most economically devastating diseases of swine. African swine fever has never been found in the U.S. Illegal entry of swine products and byproducts presents the largest potential pathway for the entry of African swine fever virus.