1. Institute of Ecology and Earth Sciences; University of Tartu; Lai 40 Tartu 51005 Estonia
2. Natural History Museum; University of Tartu; Vanemuise 46 Tartu 51014 Estonia
3. Department of Biological and Environmental Sciences; University of Gothenburg; Box 461 Göteborg SE-40530 Sweden
4. The James Hutton Institute; Craigiebuckler Aberdeen AB15 8QH UK
5. Institute of Biological and Environmental Sciences; University of Aberdeen; Cruickshank Building, St Machar Drive Aberdeen AB24 3UU UK
6. Cooperative Institute for Research in Environmental Sciences; University of Colorado; Boulder CO 80309 USA
7. Department of Plant and Microbial Biology; University of California; Berkeley CA 94720 USA
8. Department of Neuroscience and Physiology; The Sahlgrenska Academy; University of Gothenburg; Box 434 Göteborg SE-40530 Sweden
9. Institute of Biological, Environmental and Rural Sciences; Aberystwyth University; Cledwyn Building Aberystwyth SY23 3DD UK
10. Institute of Forestry and Rural Engineering; Estonian University of Life Sciences; Fr. R. Kreutzwaldi 5 Tartu 51014 Estonia
11. Staatliches Museum f. Naturkunde Stuttgart; Abt. Botanik, Rosenstein 1 Stuttgart D-70191 Germany
12. Departmento de Micología; Real Jardín Botánico (RJB-CSIC); Plaza de Murillo 1 Madrid 28014 Spain
13. Department of Forest Physiology and Genetics; Slovenian Forestry Institute; Vecna pot 2 Ljubljana SI-1000 Slovenia
14. Forest Soils and Biogeochemistry; Swiss Federal Research Institute WSL; CH-8903 Birmensdorf Switzerland
15. Molecular Ecology; Agroscope Reckenholz-Tänikon Research Station ART; CH-8046 Zurich Switzerland
16. Mycology Section; Jodrell Laboratory; Royal Botanic Gardens Kew; Surrey TW9 3DS UK
17. Institute of Botany; Academy of Science of the Czech Republic; Průhonice CZ-252 43 Czech Republic
18. Department of Forest Mycology and Plant Pathology; Swedish University of Agricultural Sciences; Box 7026 Uppsala SE-75007 Sweden
19. Science and Education; Integrative Research and Collections (Botany); The Field Museum; 1400 South Lake Shore Drive Chicago IL 60605-2496 USA
20. Department of Ecology and Evolutionary Biology; University of Tennessee; Hesler Biology Building 332 Knoxville TN 37996-1610 USA
21. Plant Biology; Department of Biosciences; University of Helsinki; P.O. Box 56 Helsinki FI-00014 Finland
22. Department of Biology; Stanford University; Stanford CA 94305 USA
23. Institute of Microbiology; University Innsbruck; Technikerstr. 25 Innsbruck 6020 Austria
24. Genetics; Department Biology; Ludwig-Maximilians-University; Grosshaderner Str. 4, Martinsried Munich 82152 Germany
25. Dalla Lana School of Public Health; University of Toronto; 223 College Street Toronto ON M5T 1R4 Canada
26. Department of Plant Pathology; University of Florida; Gainesville FL 32611-0680 USA
27. Department of Biology; University of New Mexico; MSC03 2020 Albuquerque NM 87131-0001 USA
28. Department of Biology; University of Tübingen; Auf der Morgenstelle 5 Tübingen D-72076 Germany
29. Natural History Museum; University of Oslo; P.O. Box 1172 Blindern Oslo 0318 Norway