1. Department of Experimental Plant Ecology Institute for Water and Wetland Research Radboud University Nijmegen The Netherlands
2. Plant Ecology and Nature Conservation Group Wageningen University and Research Wageningen The Netherlands
3. Systematic Botany and Functional Biodiversity Faculty of Life Sciences University of Leipzig Leipzig Germany
4. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
5. Naktuinbouw Roelofarendsveen The Netherlands