1. Southern Research Station, USDA Forest Service Athens, GA 30602
2. Department of Plant Pathology, Iowa State University, Ames, IA 50011
3. Georgia Forestry Commission, Statesboro, GA 30461
4. Georgia Forestry Commission, Athens, GA 30602
5. South Carolina Forestry Commission, Columbia, SC 29221
6. Southern Research Station, USDA Forest Service, Stoneville, MS 38776