1. Department of Plant PathologyCornell University Ithaca New York 14853 U.S.A.
2. Centraalbureau voor Schimmelcultures P.O. Box 85167, 3508 AD Utrecht Netherlands
3. Biodiversity (Mycology & Botany)Agriculture & Agri-Food Canada K. W. Neatby Bldg. 960 Carling Ave. Ottawa Ontario K1A OC6 Canada