1. Faculty of Environmental Sciences; Czech University of Life Sciences; Kamýcká 1176 CZ-165 21 Praha 6-Suchdol Czech Republic
2. Institute of Botany; The Czech Academy of Sciences; Zámek 1 CZ-252 43 Průhonice Czech Republic
3. Department of Biology and Ecology; Faculty of Education; Catholic University; Hrabovská cesta 1 SK-034 01 Ružomberok Slovakia
4. Department of Plant Biology and Ecology; University of the Basque Country; ES-48080 Bilbao Spain
5. Faculty of Agriculture; University of Belgrade; Nemanjina 6 RS-11080 Zemun Serbia
6. Faculté des Sciences; MEP; av. Escadrille Normandie-Niemen - Boite 441 FR-13397 Marseille Cedex 20 France
7. Southern Swedish Forest Research Centre; Swedish University of Agricultural Sciences; PO Box 49 SE-230 53 Alnarp Sweden
8. Department of Botany and Zoology; Masaryk University; Kotlářská 2 CZ-611 37 Brno Czech Republic
9. Unit of Forest and Nature Management; Gembloux Agricultural University; BE-5030 Gembloux Belgium
10. Research Group for Biological Adaptation; Hungarian Academy of Sciences; University of Pécs; Ifjúság u. 6 HU-7601 Pécs Hungary
11. M.G. Kholodny Institute of Botany; National Academy of Sciences of Ukraine; 2 Tereschenkivska str UA-01601 Kyiv Ukraine
12. Faculty of Environmental and Natural Resources Management; University of Patras; Seferi 2 GR-30100 Agrinio Greece
13. Department of Conservation Biology, Vegetation and Landscape Ecology; University of Vienna; Rennweg 14 AT-1030 Wien Austria
14. National Biodiversity Data Centre; Beechfield House, WIT West Campus, Carriganore IE-Waterford Ireland
15. Department of Ecology and Evolution; University of Lausanne; CH-1015 Lausanne Switzerland
16. Institute of Earth Surface Dynamics; University of Lausanne; CH-1015 Lausanne Switzerland
17. Department Ecological Interactions; Federal Institute of Hydrology; Am Mainzer Tor 1 DE-56068 Koblenz Germany
18. Institute of Botany; Slovak Academy of Sciences; Dúbravská cesta 9 SK-845 23 Bratislava Slovakia
19. Institute of Biology/Geobotany and Botanical Garden; Martin Luther University Halle Wittenberg; Am Kirchtor 1 DE-06108 Halle Germany
20. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Deutscher Platz 5e DE-04103 Leipzig Germany
21. Department of Botany; Institute of Environmental Biology; University of Wrocław; Kanonia 6/8 PL-50-328 Wrocław Poland
22. Department of Ecology; University of Pécs; Ifjúság u. 6 HU-7601 Pécs Hungary
23. Walloon Forest Inventory; General Directory of Natural Resources and Environment; Avenue Prince de Liège 15 BE-5100 Jambes Belgium
24. Unité de Recherche “Ecologie et Dynamique des Systèmes Anthropisés” (EDYSAN FRE 3498 CNRS-UPJV); Jules Verne University of Picardie; 1 rue des Louvels FR-80037 Amiens Cedex France
25. Institute of Ecology and Earth Sciences; University of Tartu; Lai 40 EE-51005 Tartu Estonia
26. Institute for Interdisciplinary Mountain Research (IGF); Austrian Academy of Sciences and Center for Global Change and Sustainability; University of Natural Resources and Life Sciences Vienna; Silbergasse 30/3 AT-1190 Wien Austria
27. 7 Derwent Road Lancaster LA1 3ES UK
28. Ministry of the Flemish Community; Agency for Nature and Forest; Graaf de Ferrarisgebouw; Koning Albert-II-laan 20 BE-1000 Brussel Belgium
29. Section for Ecoinformatics and Biodiversity; Department of Bioscience; Aarhus University; Ny Munkegade 114 DK-8000 Aarhus Denmark
30. Institute of Biology; Scientific Centre of Slovenian Academy of Sciences and Arts; Novi trg 2 SI-1000 Ljubljana Slovenia
31. Faculty of Forestry; University of Zagreb; Svetošimunska cesta 25 HR-10000 Zagreb Croatia
32. Department of Botany; Aristotle University of Thessaloniki; GR-54124 Thessaloniki Greece
33. Department of Ecology and Environmental Protection; Faculty of Biology; St. Kliment Ohridski University of Sofia; 8 Dragan Tzankov Blvd. BG-1164 Sofia Bulgaria
34. Swiss Federal Institute for Forest; Snow and Landscape Research; Zurcherstrasse 111 CH-8903 Birmensdorf Switzerland