1. Department of Environmental Science Institute for Water and Wetland Research Radboud University Nijmegen The Netherlands
2. Department of Biology and Biotechnologies “Charles Darwin” Sapienza Università di Roma Rome Italy
3. National Research Council Institute of Research on Terrestrial Ecosystems (CNR‐IRET) Monterotondo Italy
4. Department of Aquatic Ecology and Environmental Biology Institute for Water and Wetland Research Radboud University Nijmegen The Netherlands
5. Vegetation Ecology Group Institute of Natural Resource Sciences (IUNR) Zurich University of Applied Sciences (ZHAW) Wädenswil Switzerland
6. Plant Ecology Bayreuth Center of Ecology and Environmental Research (BayCEER) Bayreuth Germany
7. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
8. WSL Swiss Federal Research Institute Birmensdorf Switzerland
9. Plant Biology and Ecology Faculty of Science and Technology University of the Basque Country UPV/EHU Bilbao Spain
10. EnvixLab University of Molise Pesche (IS) Italy
11. Department of Biotechnologies and Life Sciences (DBSV) University of Insubria Varese Italy
12. Department of Botany and Zoology Faculty of Science Masaryk University Brno Czech Republic
13. Institute of Biology Martin Luther University Halle‐Wittenberg Halle (Saale) Germany
14. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena Leipzig Leipzig Germany
15. General Vegetation Laboratory Komarov Botanical Institute RAS Saint‐Petersburg Russia
16. Phytodiversity Problems Laboratory Samara Federal Research Center RAS Institute of the Ecology of the Volga Basin RAS Togliatti Russia
17. EnvixLab University of Molise Termoli Italy
18. School of Environment, Earth and Ecosystem Sciences Faculty of Science, Technology, Engineering and Mathematics The Open University Milton Keynes UK
19. Faculty of Geography and Earth Sciences University of Latvia Rīga Latvia