1. Centraalbureau voor Schimmelcultures, P.O. Box 273, 3740 AG Baarn, Netherlands
2. United States Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, Rm. 304, B-011A, BARC-West, Beltsville, Maryland 20705-2350
3. Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, Research Branch, Ottawa, Ontario KIA 0C6, Canada