1. Forest Science Center of Catalonia; Ctra. antiga St Llorenç km 2 25280 Solsona Spain
2. Department of Botany and Zoology; Masaryk University; Kotlářská 2 611 37 Brno Czech Republic
3. Department of Environmental Biology; University of Roma “La Sapienza”; Largo Cristina di Svezia 24 00165 Roma Italy
4. Department of Environmental Biology; University of Roma “La Sapienza”; P.le Aldo Moro 5 00185 Roma Italy
5. Institute of Ecology and Botany; MTA Centre for Ecological Research; Alkotmány 2-4 2163 Vácrátót Hungary
6. Instituto Nacional de Investigação Agrária e Veterinária; Herbarium; Av. da República, Nova Oeiras 2784-505 Oeiras Portugal
7. Plant Ecology; Bayreuth Center of Ecology and Environmental Research (BayCEER); University of Bayreuth; Universitätsstr. 30 95447 Bayreuth Germany
8. Synthesis Centre (sDiv); German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Deutscher Platz 5e 04103 Leipzig Germany
9. Faculty of Forestry; University of Applied Sciences Weihenstephan-Triesdorf; Hans-Carl-von-Carlowitz-Platz 3 85354 Freising Germany
10. Conservation Science Division; NatureServe; 4600 North Fairfax Drive 7th Floor Arlington VA 22203 USA
11. Department of Life Sciences; University of Trieste; Via Giorgieri 10 TS 34127 Trieste Italy
12. School of Biological Sciences; University of Northern Colorado; 501 20 St. Greeley CO 80639 USA
13. Departamento de Biología Vegetal II; Facultad de Farmacia; Universidad Complutense; 28040 Madrid Spain
14. UMR 6249 Chrono-environnement; University of Franche-Comté - CNRS; 16 route de Gray 25030 Besançon Cedex France
15. Institute of Botany and Landscape Ecology; University of Greifswald; Soldmannstr. 15 17489 Greifswald Germany
16. Botanical Garden-Institute of the Far Eastern Branch of the Russian Academy of Sciences; Vladivostok 690024 Russia
17. Department of Plant Biology and Ecology; University of the Basque Country (UPV/EHU); Ap. 644. 48080 Bilbao Spain
18. School of Plant Biology; The University of Western Australia; 35 Stirling Hwy Crawley 6009 Perth WA Australia
19. Department of Biology; University of North Carolina; Chapel Hill NC 27599-3280 USA
20. Ecology Department; Montana State University; Bozeman MT 59717-3460 USA
21. Department of Vegetation Ecology; Institute of Botany; The Czech Academy of Sciences; Lidická 25/27 602 00 Brno Czech Republic
22. Alterra WUR and Radboud University Nijmegen; P.O. Box 47 6700 AA Wageningen the Netherlands
23. Institute of Geography and Geoecology; Karlsruhe Institute of Technology (KIT); Kaiserstr. 12 76131 Karlsruhe Germany
24. Fondation J.-M. Aubert; Case postale 71 1938 Champex-Lac Switzerland
25. Section de Biologie; Université de Genève; Case postale 60 1292 Chambésy Switzerland
26. Institute of Arctic Biology and Department of Biology and Wildlife; University of Alaska Fairbanks; Fairbanks AK 99775 USA
27. Biodiversity and Conservation Ecology; WSL Swiss Federal Institute of Forest, Snow and Landscape Research; 8903 Birmensdorf Switzerland
28. Vienna Institute for Nature Conservation and Analyses; Giessergasse 6/7 1090 Vienna Austria
29. Landcare Research; PO Box 69040 Lincoln 7640 New Zealand