1. Faculty of Biology; Geobotany; University of Freiburg; Freiburg Germany
2. Department of Systematic Botany and Functional Biodiversity; Institute of Biology; Leipzig University; Leipzig Germany
3. German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; Leipzig Germany
4. Department of Experimental Plant Ecology; Institute for Water and Wetland Research; Radboud Univ.; AJ Nijmegen The Netherlands
5. Institute of Agricultural Sciences; ETH Zurich; Zürich Switzerland
6. J. F. Blumenbach Institute of Zoology and Anthropology; Georg August University Göttingen; Göttingen Germany
7. Institute for Landscape Biochemistry; Leibniz Centre for Agricultural Landscape Research (ZALF); Müncheberg Germany
8. Swiss Federal Research Institute for Forest, Snow and Landscape Research WSL; Birmensdorf Switzerland
9. Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB); Berlin Germany
10. Plant Ecology and Nature Conservation Group; Wageningen Univ.; AA Wageningen The Netherlands
11. Department of Physiological Diversity; Helmholtz Centre for Environmental Research; UFZ; Leipzig Germany