1. Institute of Biology/Geobotany and Botanical Garden Martin Luther University Halle‐Wittenberg Halle (Saale) Germany
2. German Centre for Integrative Biodiversity Research (iDiv) Halle–Jena–Leipzig Leipzig Germany
3. Department of Soil, Water, and Climate University of Minnesota Twin Cities MN USA
4. Institute for Ecosystem Research Kiel University Kiel Germany