1. Unit of Evolutionary Biology/Systematic Zoology, University of Potsdam, Karl-Liebknecht-Str. 24–25, Potsdam, Germany
2. The Botanical Garden, School of Plant Sciences and Food Security, G.S. Wise Faculty of Life Science, Tel Aviv University, Israel
3. Plant Systematics and Biodiversity, Humboldt University of Berlin, Späth-Arboretum, Späthstr. 80/81, Berlin, Germany
4. Center of Environmental Studies, Virginia Commonwealth University, Richmond, VA
5. Institute for Landscape and Open Space, Eastern Switzerland University of Applied Sciences, Seestrasse 10, Rapperswil, Switzerland
6. Berlin-Brandenburg Institute of Advanced Biodiversity Research (BBIB), Altensteinstr. 6, Berlin, Germany