1. Systematic Botany and Functional Biodiversity University Leipzig Leipzig Germany
2. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
3. Department of Ecology and Evolutionary Biology University of Colorado Boulder Colorado USA
4. Institute of Plant Sciences, University of Bern Bern Switzerland
5. Senckenberg Biodiversity and Climate Research Centre (SBIK‐F), Senckenberg Gesellschaft für Naturforschung Frankfurt Germany
6. INRAE, Bordeaux Sciences Agro, ISVV, SAVE Villenave d'Ornon France
7. Department of Biological Sciences University of Bergen Bergen Norway
8. Plant Ecology and Nature Conservation Group Wageningen University Wageningen the Netherlands