1. Jodrell Laboratory, Royal Botanic Gardens, Kew, Surrey TW9 3AB, United Kingdom
2. Department of Biosciences, Plant Biology, P.O. Box 65, FI-00014 University of Helsinki, Helsinki, Finland
3. Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
4. Department of Biology and Geology, Physics and Inorganic Chemistry, King Juan Carlos University, c/Tulipan 28933, Móstoles, Spain
5. Instituto de Biología, Universidad Nacional Autónoma de México, Tercer Circuito s/n, Ciudad Universitaria, Delegación Coyoacán, A.P. 70-233, C.P. 04510 México, D.F., México
6. Pacific Northwest Mycology Service, 6720 NW Skylne Boulevard, Portland, Oregon 97229
7. Biodiversity Unit, Herbarium, University of Turku, FI-20014 Turku, Finland
8. Botanical Museum, P.O. Box 7, FI-00014 University of Helsinki, Helsinki, Finland
9. Department of Biology, Box 351800, University of Washington, Seattle, Washington 98195-1800
10. Natural History Museum, University of Tartu, 14A Ravila, 50411 Tartu, Estonia