• American Phytopathological Society

• American Society for Microbiology

• Association of Applied Insect Ecologists

• Association of Natural Bio-Control Producers

• Association for Tropical Biology

• California Academy of Sciences

• Iowa State Entomology Index: Societies

• International Society of Arboriculture (ISA)

• Mycological Society of America

• National Arborist Association

• Resources of Scholarly Societies: Biology
  University of Waterloo Electronic Library

• Turf & Ornamental Communicators Association

• U.S. Golf Association

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• National Agricultural Library

• National Weather Service

• USDA Agricultural Statistics Service

• USDA Economic Research Service (ERS)

• USDA Forest Service

• U.S. Department of Agriculture (USDA)

• U.S. Environmental Protection Agency

• U.S. Fish and Wildlife Service

• USGS Biological Resources Division

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• Auburn University

• Clemson University

• Colorado State University

• Cornell University

• Florida (University of)

• Illinois (University of)

• Iowa State University

• Kentucky (University of)

• Michigan Sate University

• Minnesota (University of)

• Mississippi State University

• Nebraska (University of)

• North Carolina State University

• Ohio State University

• Oregon State University

• Purdue University

• San Diego State University

• Virginia Tech

• Wisconsin (University of)

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