1. Department of Ecology and Biogeography Nicolaus Copernicus University Toruń Poland
2. GEES (School of Geography, Earth and Environmental Sciences) and Birmingham Institute of Forest Research University of Birmingham Birmingham UK
3. cE3c – Centre for Ecology, Evolution and Environmental Changes/Azorean Biodiversity Group/CHANGE – Global Change and Sustainability Institute and Universidade dos Açores (FCAA) Angra do Heroísmo Portugal
4. Department of Plant Biology and Ecology University of the Basque Country UPV/EHU Bilbao Spain
5. Białowieża Geobotanical Station, Faculty of Biology University of Warsaw Białowieża Poland
6. Department of Ecology and Environmental Conservation, Institute of Environmental Biology, Faculty of Biology University of Warsaw Warsaw Poland
7. Bioinvasions, Global Change, Macroecology Group, Department of Botany and Biodiversity Research University of Vienna Vienna Austria
8. Department of Agriculture and Forest Science (DAFNE) University of Tuscia Viterbo Italy
9. Department of Biological, Geological and Environmental Sciences University of Catania Catania Italy
10. Biology Education Dokuz Eylul University İzmir Turkey
11. Department of Plant Biology, Faculty of Basic Sciences University of Mazandaran Mazandaran Iran
12. MTA‐DE Lendület Functional and Restoration Ecology Research Group University of Debrecen Debrecen Hungary
13. Polish Academy of Sciences, Botanical Garden ‐ Center for Biological Diversity Conservation in Powsin Warszawa Poland
14. Department of Ecology University of Debrecen Debrecen Hungary
15. Vegetation Ecology, Institute of Natural Resource Management (IUNR) Zurich University of Applied Sciences (ZHAW) Wädenswil Switzerland
16. Plant Ecology, Bayreuth Center for Ecology and Environmental Research (BayCEER) University of Bayreuth Bayreuth Germany