1. Institute of Ecology; Friedrich-Schiller University Jena; Dornburger Str. 159 D-07743 Jena Germany
2. Forest & Nature Lab; Ghent University; Geraardsbergsesteenweg 267 B-9090 Gontrode-Melle Belgium
3. Department of Biology; Terrestrial Ecology Unit; Ghent University; K.L. Ledeganckstraat 35 B-9000 Ghent Belgium
4. German Centre for Integrative Biodiversity Research (iDiv); Synthesis Centre for Biodiversity Sciences (sDiv); Halle-Jena-Leipzig Deutscher Platz 5e D-04103 Leipzig Germany
5. Institute for Biology; University of Leipzig; Johannisallee 21 D-04103 Leipzig Germany
6. Department of Vegetation Ecology; Institute of Botany; Czech Academy of Sciences; Lidická 25/27 CZ-602 00 Brno Czech Republic
7. Department of Botany; Faculty of Science; Palacký University; Šlechtitelů 11 CZ-783 71 Olomouc Czech Republic
8. Ecologie et Dynamique des Systèmes Anthropisés (EDYSAN; FRE 3498 CNRS - UPJV); Jules Verne University of Picardie; 1 rue des Louvels F-80037 Amiens Cedex France
9. INRA; UMR 1202 BIOGECO; F-33610 Cestas France
10. BIOGECO; UMR1202; Université de Bordeaux; F-33615 Pessac France
11. Southern Swedish Forest Research Centre; Swedish University of Agricultural Sciences; Box 49 S-23053 Alnarp Sweden
12. Department of Botany and Zoology; Masaryk University; Kotlářská 2 CZ-611 37 Brno Czech Republic
13. Department of Vegetation and Phytodiversity Analysis; Albrecht-von-Haller-Institute for Plant Sciences; Georg-August University Göttingen; Untere Karspüle 2 D-37073 Göttingen Germany
14. Ecosystem Research & Environmental Information Management; Environment Agency Austria; Spittelauer Lände 5 A-1090 Wien Austria
15. Department of Ecology and Ecosystem management; TU München; Hans-Carl-von-Carlowitz-Platz 2 D-85350 Freising Germany
16. Biodiversity Research/Systematic Botany; Institute of Biochemistry and Biology; University of Potsdam; Maulbeerallee 1 D-14471 Potsdam Germany
17. Department of Earth & Environmental Sciences; Division of Forest; Nature and Landscape; KU Leuven; Celestijnenlaan 200E B-3001 Leuven Belgium
18. Alterra Research Institute; Wageningen UR; P.O. Box 47 NL-6700 AA Wageningen The Netherlands
19. Faculty of Biology; Białowieża Geobotanical Station; University of Warsaw; ul. Sportowa 19 PL-17-230 Białowieża Poland
20. Białowieża National Park; Park Pałacowy 11; PL-17-230 Białowieża Poland
21. Botany Department and Trinity Centre for Biodiversity Research; School of Natural Sciences; Trinity College; the University of Dublin; College Green; Dublin 2 Ireland
22. Department of Plant Sciences; University of Oxford; South Parks Road Oxford OX1 3RB UK
23. Department of GIS and Remote Sensing; Institute of Botany; Czech Academy of Sciences; Zámek 1 CZ-252 43 Průhonice Czech Republic
24. Faculty of Forestry; Technical University in Zvolen; T.G. Masaryka 24 SK-960 53 Zvolen Slovak Republic
25. Forest Research Institute Zvolen; National Forest Centre; T.G. Masaryka 22 SK-960 52 Zvolen Slovak Republic
26. Institute of Land Use Systems; Leibniz Centre for Agricultural Landscape Research (ZALF); Eberswalder Straße 84 D-15374 Müncheberg Germany
27. Beechwood House; St. Briavels Common; Lydney Gloucestershire GL15 6SL United Kingdom
28. Department Silviculture and Forest Ecology of the Temperate Zones; Burckhardt-Institute; Georg-August University Göttingen; Büsgenweg 1 D-37077 Göttingen Germany
29. Department of Plant Systematics, Ecology and Theoretical Biology; Institute of Biology; L. Eötvös University; Pázmány sétány 1/c H-1117 Budapest Hungary
30. Research Institute for Nature and Forest; Kliniekstraat 25 B-1070 Brussels Belgium
31. Institute of Biochemistry and Biology; University of Potsdam; Maulbeerallee 2 D-14469 Potsdam Germany