1. Landscape Dynamics Swiss Federal Research Institute, Zürcherstrasse 111, CH‐8903 Birmensdorf Switzerland
2. Institute of Systematic Botany University of Zurich Zollikerstrasse 107, CH‐8008 Zurich Switzerland
3. Department of Ecology and Evolution University of Lausanne Biophore, CH‐1015 Lausanne Switzerland
4. Swiss Institute of Bioinformatics Quartier Sorge Lausanne 1015 Switzerland
5. Jodrell Laboratory Royal Botanical Gardens Kew, TW9 3DS UK
6. Department of Biology University of Fribourg Chemin de Musee 10, CH‐1700 Fribourg Switzerland
7. Department of Botany and Biodiversity Research University of Vienna Rennweg 14, A‐1030 Vienna Austria
8. Department of Environmental Systems Science Swiss Federal Institute of Technology ETH Universitätstrasse 16, CH‐8092 Zurich Switzerland
9. Department of Plant Biology and Ecology Faculty of Science and Technology University of the Basque Country UPV/EHU Apdo. 644 Leioa 48940 Spain
10. IKERBASQUE Basque Foundation for Science Bilbao 48011 Spain