MSU Plant & Pest Diagnostics, Center for Integrated Plant Systems (CIPS), 578 Wilson Rd., Rm. 109E, East Lansing, MI 48824-6469
University of Georgia , Department of Plant Pathology Tifton Campus. 115 Coastal Way, Tifton, GA 31794
Oregon State University, Botany and Plant Pathology. Plant Clinic. 701 SW Campus Way, Corvallis, OR 97331
Rutgers Plant Diagnostic Laboratory. Ralph Geiger Turfgrass Education Center. 20 Indyk-Engel Way, New Brunswick, NJ 08901