401 Brooks Hall,West Virginia UniversityMorgantown, WV 26506-6067
Gigaspora
Forestry CommissionNorthern Research StationRoslin, Midlothian, UK EH25 9SY
Forestry CommissionNorthern Research StationRoslin, Midlothian, UK EH25 9SY
Forestry Service,Midlothian, Scotland
USDA-ARS ERRC 600 E. Mermaid Lane
Wyndmore, PA 19038
Soil-Microbial Systems LaboratoryRoom 108, Building 318, BARC East10300 Baltimore AvenueBeltsville, MD 20705-2350
Cornell University
New York State Agric. Expt. StationSodus, Geneva, NY