1. Department of Plant Pathology, Iowa State University, Ames, Iowa 50011;
2. Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado 80523
3. Cooperative Extension, University of Maine, Orono, Maine 04473
4. Plant and Pest Diagnostic Laboratory, Department of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907
5. Department of Plant Pathology, University of Florida, Gainesville, Florida 32611
6. Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan 48824
7. Department of English, Iowa State University, Ames, Iowa 50011