1. Ecological Modelling Universität Hamburg Ohnhorststr. 18 22609 Hamburg Germany
2. Ecological Plant Geography University of Marburg Deutschhausstr. 10 35032 Marburg Germany
3. School of Geosciences University of Edinburgh Edinburgh EH9 3JW UK
4. Royal Botanic Garden Edinburgh 20A Inverleith Row Edinburgh EH3 5LR UK
5. DIFAR, University of Genoa 16148 Genoa Italy
6. Polar Terrestrial Environmental Systems Alfred Wegener Institute Telegrafenberg A45 14473 Potsdam Germany
7. Ecosystems and Modeling Natural Resources Institute Finland (Luke) Latokartanonkaari 9 00790 Helsinki Finland
8. BIOME Lab, Department of Biological, Geological and Environmental Sciences Alma Mater Studiorum University of Bologna 40126 Bologna Italy
9. Department of Pharmacology, Pharmacognosy and Botany Universidad Complutense de Madrid E‐28040 Madrid Spain
10. Agronomy Department and Center of Scientific Collections University of Almería 04120 Almería Spain
11. Department of Biology University of Copenhagen Universitetsparken 15 2100 København Denmark
12. Biodiversity and Conservation Biology Eidg. Forschungsanstalt WSL Zürcherstr. 111 8903 Birmensdorf Switzerland
13. Soil Science and Geomorphology University of Tübingen Rümelinstr. 19‐23 72070 Tübingen Germany
14. Department of Biological, Geological, and Environmental Sciences Cleveland State University 2121 Euclid Ave. Cleveland OH 44115 USA
15. Institute of Environmental Sciences Brandenburgische Technische Universität Cottbus‐Senftenberg Konrad‐Wachsmann‐Allee 6 03046 Cottbus Germany
16. Division of Plant Sciences, Institute for Biology University of Graz Holteigasse 6 A‐8010 Graz Austria
17. Multiphase Chemistry Department Max Planck Institute for Chemistry Hahn‐Meitner‐Weg 1 55128 Mainz Germany
18. Biosciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA