1. Natural History Museum, University of Tartu , Vanemuise 46 , 51003 Tartu , Estonia
2. Department of Biological and Environmental Sciences, University of Gothenburg , Box 453 , 405 30 Göteborg , Sweden
3. Gothenburg Global Biodiversity Centre, University of Gothenburg , Box 453 , 405 30 Göteborg , Sweden
4. Natural History Museum, University of Oslo , Box 1172 Blindern , 0318 Oslo , Norway
5. The James Hutton Institute , Craigiebuckler , Aberdeen AB15 8QH , UK
6. Institute of Biological and Environmental Sciences, University of Aberdeen , Cruickshank Building, St Machar Drive , Aberdeen AB24 3UU , UK
7. Royal Botanic Gardens Victoria , Birdwood Avenue , Melbourne, VIC 3004 , Australia
8. Global Biodiversity Information Facility (GBIF) , Secretariat, Universitetsparken 15 , DK-2100 Copenhagen Ø , Denmark
9. Institute of Evolutionary Biology, Faculty of Biology, University of Warsaw , ul. Zwirki i Wigury 101 , 02-089 Warsaw , Poland
10. Swedish University of Agricultural Sciences, Department of Soil and Environment , Box 7014 , SE-750 07 Uppsala , Sweden
11. Institute of Ecology and Earth Sciences, University of Tartu , J. Liivi 2 , 50409 Tartu , Estonia
12. Westerdijk Fungal Biodiversity Institute , The Netherlands
13. National Museum of Nature and Science , Japan
14. Botany Unit, Finnish Museum of Natural History, P.O.Box 7, 00014 University of Helsinki , Finland
15. School of Biological Sciences, Washington State University , 2710 Crimson Way , Richland , WA 9935 , USA
16. Department of Mathematical Sciences, Chalmers University of Technology , Gothenburg , Sweden
17. Department of Ecology, Evolution, and Marine Biology, University of California at Santa Barbara , USA
18. Biome Makers Inc. , Davis , CA , USA
19. European Molecular Biology Laboratory, European Bioinformatics Institute , Hinxton , Cambridge , UK