1. Swiss Federal Research Institute WSL CH‐8903 Birmensdorf Switzerland
2. Department of Geography University of Cambridge Cambridge CB2 3EN United Kingdom
3. Section for Genetics and Evolutionary Biology (EVOGENE) University of Oslo Blindernveien 31 0316 Oslo Norway
4. Forestry and Forest Resources Norwegian Institute of Bioeconomy Research Fanaflaten 4 N‐5244 Fana Norway
5. Department of Soil Quality Wageningen University PO Box 47 6700 AA Wageningen The Netherlands
6. Department of Botany and Biodiversity Research University of Vienna A‐1030 Vienna Austria
7. Mycology Section Jodrell Laboratory Royal Botanic Garden Kew Surrey TW9 3DS United Kingdom
8. Centre for Macroecology, Evolution and Climate Natural History Museum of Denmark University of Copenhagen DK‐2100 Copenhagen Denmark
9. School of Biological Sciences Royal Holloway University of London Egham Surrey TW20 0EX United Kingdom
10. Bavarian Forest National Park Freyunger Street 2 D‐94481 Grafenau Germany
11. Chair for Terrestrial Ecology Technical University of MunichHans‐Carl‐von‐Carlowitz‐Platz 2 85354 Freising Germany
12. Global Change Research Centre Masaryk University 613 00 Brno Czech Republic
13. School of Biosciences Cardiff University Sir Martin Evans Building, Museum Avenue Cardiff CF10 3AX United Kingdom