The American Phytopathological Society (APS) is a non-profit, professional, scientific organization dedicated to the study and control of plant diseases. This website provides useful resources on plant diseases and plant health management.

The Plant Management Network (PMN) is a unique cooperative resource for the applied plant sciences. Designed to provide plant science practitioners fast electronic access to proven solutions, the Plant Management Network offers an extensive searchable database comprised of thousands of web-based resource pages from the network's partner universities, companies, and associations.

National Plant Diagnostic Network (NPDN) The Animal & Plant Disease and Pest Surveillance & Detection Network, was established by the Secretary of Agriculture to the Cooperative State Research, Education, and Extension Service (CSREES) to develop a network linking plant and animal disease diagnostic facilities across the country. The National Plant Diagnostic Network (NPDN) will focus on the plant disease and pest aspect of the program. The network is a collective of Land Grant University plant disease and pest diagnostic facilities from across the United States.

Western Plant Diagnostic Network (WPDN) is a regional member of the larger National Plant Diagnostic Network (NPDN). NPDN consists of five regional plant diagnostic centers located at Cornell University (NEPDN); Michigan State University (NCPDN); Kansas State University (GPDN); the University of Florida (SPDN); and the University of California, Davis in partnership with the California Department of Food and Agriculture, Sacramento (WPDN). Each regional center coordinates data gathering, diagnostic collaboration, and other activities of member land grant institutions, national agencies and state departments of agriculture. WPDN is a consortium of land grant institutions and state departments of agriculture throughout the western United States and U.S. territories in the Pacific that provide services for plant disease diagnosis, plant identification, and insect/pest identification. WPDN uses a common software interface to process diagnostic requests and share information among diagnostic laboratories.

Crop Data Management Systems (CDMS) is a privately held corporation located in Marysville, CA. The company provides America's premier software service to the food, agricultural and green industries by providing access to the dynamic crop protection and seed information in our databases. The finest, leading-edge crop protection retailers, resellers and end-users in over 3000 locations throughout the USA use CDMS's PC and web-based software services. Over 115 crop protection product manufacturers support CDMS by supplying and approving all information in the CDMS databases. There are over 1,600 crop protection product labels and over 4,400 MSDSs in the CDMS databases.

New Mexico Department of Agriculture (NMDA) is an agriculture producer-consumer service and regulatory department placed under the New Mexico State University (NMSU) Board of Regents with a director/secretary who serves on the Governor's Cabinet. The department was formally organized in 1955 and has responsibility for more than 30 laws, several of which were legislated over a half-century ago. Its mandate has changed over the years since its creation by the State Constitution, and services have been expanded in reaction to changes in population, agri-business activities, and needs. The department has five divisions consisting of agricultural and environmental services, agricultural programs and resources, marketing and development, standards and consumer services, and veterinary diagnostics services.

Western Integrated Pest Management Center The Western Integrated Pest Management Center is one of four centers in a national network established to strengthen USDA's connection with production agriculture, research and extension programs, and agricultural stakeholders throughout the United States.

PLANTS Database The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.