1. National Mycological Herbarium; Agriculture & Agri-food Canada; 960 Carling Ave Ottawa, Ontario K1A 0C6 Canada
2. Laurentian Forestry Centre; 1055 P.E.P.S. Street, P.O. Box 10830 Quebec City, Quebec G1V 4C7 Canada
3. Swedish University of Agricultural Sciences (SLU); Dept. of Forest Mycology and Pathology; Ulls väg 24E 75651 Uppsala Sweden
4. Forest Pathology and Dendrology; Institute of Integrative Biology (IBZ); ETH Zurich 8092 Zurich Switzerland
5. Pacific Forestry Centre; 506 W. Burnside Road Victoria, British Columbia V8Z 1M5 Canada (retired)
6. Finnish Forest Research Institute; Vantaa Research Unit; P.O. Box 18 01301 Vantaa Finland
7. Zehentbauernstr. 15 81539 München Germany