USDA Confirms Soybean Rust in United States (Oct 10, 2004)
USDA. Animal and Plant Health Inspection Service.
DEP Advises Anglers To Be Aware of Invasive Species of Catfish (Flathead catfish) (Aug 25, 2004)
New Jersey Department of Environmental Protection.
NJDA Confirms Presence of Asian Longhorned Beetle (Aug 5, 2004)
New Jersey Department of Agriculture.
Oak-killing Disease Found on a Tree in New York State: Case on East Coast Raises New Questions (Jul 28, 2004)
San Francisco Chronicle.
Are Alewives in Northern Lake Champlain (Jul 22, 2004)
Vermont Fish and Wildlife Department.
Invasive Round Goby Confirmed in Grand Traverse Bay (Michigan) (Jun 23, 2004)
Traverse City Record Eagle.
Identifying the Little Fire Ant: A New Invasive Species on Kaua‘i (May 2004; PDF | 140 KB)
University of Hawai'i - Manoa. Cooperative Extension Service.
Zebra mussels discovered at Washington-Idaho border (May 25, 2004)
Washington Department of Fish and Wildlife.
Emerald Ash Borer (Agrilus planipennis) Confirmed in Indiana (Apr 22, 2004)
Indiana Department of Natural Resources.
Harmful Zebra Mussels in Missouri River Could Mean Bad News for the West (Apr 15, 2004)
Protect Your Waters.
Sudden Oak Death Syndrome in California Nurseries (Mar 17, 2004)
North American Plant Protection Organization.
Zebra Mussels Reported Below Fort Randall and Gavins Point Dams (Feb 25, 2004)
South Dakota Department of Game, Fish, and Parks.