Content ©2007-15
National Plant
Diagnostic Network
Lyra ©2008
University of Florida





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The purpose of the National Plant Diagnostic Network is to provide a cohesive, distributed system to quickly detect and identify plant pests and pathogens of concern. Visit the NPDN home page at www.npdn.org to learn more. There are five regional networks within NPDN. The five regional networks are:

Western Plant Diagnostic Network which consists of Alaska, Washington, Oregon, Idaho, California, Nevada, Utah, Arizona, New Mexico, Hawaii, Guam, and American Samoa. The regional center is at the University of California, Davis in partnership with the California Department of Food and Agriculture, Sacramento.

Great Plains Diagnostic Network which consists of Montana, Wyoming, Colorado, North & South Dakota, Nebraska, Kansas, Oklahoma, and North Texas. The regional center is at Kansas State University.

North Central Plant Diagnostic Network which consists of Michigan, Iowa, Ohio, Illinois, Minnesota, Wisconsin, Missouri, and Indiana. The regional center is at Michigan State University. The National Database is located at the Center for Environmental and Regulatory Information Systems (CERIS) at Purdue University.

Northeast Plant Diagnostic Network which consists of Maine, Vermont, New Hampshire, Massachusetts, New York, Connecticut, Rhode Island, New Jersey, Pennsylvania, Maryland, Delaware, and West Virginia. The regional center is at Cornell University.

Southern Plant Diagnostic Network which consists of South Texas, Louisiana, Arkansas, Mississippi, Alabama, Tennessee, Kentucky, Virginia, North and South Carolina, Georgia, Florida, Puerto Rico, and the U.S. Virgin Islands. The regional center is based at the University of Florida in Gainesville.