[1] Univ Tartu, Inst Ecol & Earth Sci, Dept Bot, EE-51005 Tartu, Estonia
[2] Univ Gothenburg, Dept Plant & Environm Sci, S-40530 Gothenburg, Sweden
[3] Univ Oslo, Nat Hist Museum, Mycol Herbarium, N-0318 Oslo, Norway
[4] Univ Aberdeen, Sch Biol Sci, Aberdeen AB24 3UU, Scotland
[5] Cent Bur Schimmelcultures, NL-3508 AD Utrecht, Netherlands
[6] Max Planck Inst Chem Ecol, D-07745 Jena, Germany
[7] Univ Oslo, Dept Biol, N-0316 Oslo, Norway
[8] Univ Copenhagen, Inst Biol, DK-1353 Copenhagen, Denmark
[9] Finnish Forest Res Inst, FI-01301 Vantaa, Finland
[10] Manchester Metropolitan Univ, Dept Environm & Geog Sci, Manchester M1 5GD, Lancs, England
[11] Macaulay Inst, Aberdeen AB15 8QH, Scotland
[12] Beronem AB, S-23942 Falsterbo, Sweden
[13] Univ Washington, Dept Biol, Seattle, WA 98195 USA
[14] Univ Innsbruck, Inst Microbiol, A-6020 Innsbruck, Austria