1. Functional Ecology of Plants Institute of Biology and Environmental Sciences Carl von Ossietzky University Ammerländer Heerstr. 114‐118 26129OldenburgGermany
2. Smithsonian Tropical Research Institute Apdo 2072 Balboa Panama
3. Biodiversity, Macroecology & Biogeography University of Göttingen Büsgenweg 1 37077GöttingenGermany
4. Institute of Systematic and Evolutionary Botany University of Zürich Zollikerstrasse 107 8008ZürichSwitzerland
5. Centre of Biodiversity and Sustainable Land Use (CBL) University of Göttingen Büsgenweg 1 37077GöttingenGermany