1. Freie Universität Berlin, Berlin, Germany.
2. Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Berlin, Germany.
3. Systematic Botany and Functional Biodiversity, Institute of Biology, Leipzig University, Leipzig, Germany.
4. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany.
5. University of Wyoming, Laramie, WY, USA.
6. Wageningen University, Wageningen, Netherlands.
7. Biodiversity, Macroecology and Biogeography, Faculty of Forest Sciences and Forest Ecology, University of Göttingen, Göttingen, Germany.
8. International Center of Tropical Botany, Florida International University, Miami, FL, USA.
9. Institute of Biology/Geobotany and Botanical Garden, Martin Luther University Halle-Wittenberg, Halle, Germany.
10. CEFE, CNRS, Université de Montpellier, Université Paul Valéry Montpellier 3, EPHE, IRD, Montpellier, France.
11. Station d’Ecologie Théorique et Expérimentale (CNRS, Université Toulouse III), Moulis, France.
12. Oak Ridge National Laboratory, Oak Ridge, TN, USA.
13. Max Planck Institute for Biogeochemistry, Jena, Germany.
14. Center for Tree Science, The Morton Arboretum, Lisle, IL, USA.
15. University of Göttingen, Göttingen, Germany.
16. Department of Earth and Environmental Sciences, The University of Manchester, Manchester, UK.
17. Noble Research Institute LLC, Ardmore, OK, USA.