1. Department of Botany and Zoology Faculty of Science Masaryk University Brno Czech Republic
2. Department of Vegetation Ecology Institute of Botany Czech Academy of Sciences Brno Czech Republic
3. Wageningen Environmental Research Wageningen The Netherlands
4. Laboratory of Geobotany Institute of Biology University of Latvia Salaspils Latvia
5. Department of Ecology & Nature Conservation Institute of Biology Romanian Academy Bucharest Romania
6. Botanical Garden Ivan Franco National University of Lviv Lviv Ukraine
7. Papanin Institute for Biology of Inland Waters Russian Academy of Sciences Borok Russian Federation
8. Scientific Research Centre Slovenian Academy of Sciences and Arts Ljubljana Slovenia
9. Research Institute for Nature and Forest Biotope Diversity Brussels Belgium
10. Institute of Ecology of the Volga River Basin Russian Academy of Sciences Togliatti Russian Federation
11. Institute of Botany Slovak Academy of Sciences Bratislava Slovakia
12. Department of Geobotany and Ecology M. G. Kholodny Institute of Botany, NAS of Ukraine Kyiv Ukraine
13. Department of Geobotany and Botanical Garden Martin Luther University Halle‐Wittenberg Halle Germany
14. Faculty of Agriculture and Environmental Sciences University of Rostock Rostock Germany
15. Botanical Garden Department of Vegetation Ecology University of Wrocław Wrocław Poland
16. Department of Environmental Protection Engineering Óbuda University Budapest Hungary
17. Department of Biology School of Natural Sciences University of Patras Patras Greece
18. Institute of Botany Nature Research Centre Vilnius Lithuania
19. Faculty of Geotechnical Engineering University of Zagreb Varaždin Croatia
20. V. F. Kuprevič Institute of Experimental Botany National Academy of Sciences of Belarus Minsk Belarus
21. Department of Flora and Vegetation of North Institute of Biology Russian Academy of Sciences Syktyvkar Russian Federation
22. Department of Ecology and Environmental Protection Sofia University Sofia Bulgaria
23. Department of Chemistry, Biology and Biotechnology University of Perugia Perugia Italy
24. Department of Biology Biotechnical Faculty University of Ljubljana Ljubljana Slovenia