1. Department of Life Sciences, The Natural History Museum, Cromwell Road, London, SW7 5BD, UK
2. University of Camerino (MC), Camerino (MC), Italy
3. Department of Genetics, Adam Mickiewicz University, Poznań, Poland
4. Department of Forest Ecology and Silviculture, Latvian State Forest Research Institute ‘Silava’, Salaspils, Latvia
5. Department of Botany, Kherson State University, Ukraine
6. Varese, Italy
7. Carrera de Ingeniería Agroindustrial y Alimentos, Universidad de Las Américas, Quito, Ecuador
8. Universidad Autónoma de Madrid, Madrid, Spain
9. CREAF, Cerdanyola del Vallès, Spain
10. Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Madrid, Spain
11. Lomonosov Moscow State University, Moscow, Russia
12. Diever, The Netherlands
13. Elsfleth, Germany
14. Le Bourg, France
15. Moscow State University, Moscow, Russia
16. Institute of Environmental Protection and Engineering, University of Bielsko-Biała, Bielsko-Biała, Poland
17. University of South Bohemia, České Budějovice, Czech Republic
18. Ernst-Moritz-Arndt-University Greifswald, Greifswald, Germany
19. Yugra State University, Khanty-Mansiysk, Russia
20. Institute of Biology of Karelian Research Centre of Russian Academy of Sciences, Petrozavodsk, Russia
21. W. Szafer Institute of Botany, Polish Academy of Sciences, Kraków, Poland
22. University of Ostrava, Czech Republic
23. State Dendrological Park ‘Olexandria’, National Academy of Sciences of Ukraine, Bila Tserkva, Ukraine
24. University of Perugia, Perugia, Italy
25. A.N. Severtsov Institute of Ecology and Evolution RAS, Moscow, Russia
26. Komarov Botanical Institute of the Russian Academy of Sciences, St. Petersburg, Russia
27. Universitat Autònoma de Barcelona, Barcelona, Spain
28. Museum of Nature and Man, Khanty-Mansiysk, Russia
29. MuSe Museo delle Scienze-Science Museum, Trento, Italy
30. Bryology laboratory, CSIR-National Botanical Research Institute, Lucknow, India
31. Institute of Biology Bucharest of Romanian Academy, Bucharest, Romania
32. Uniwesytet Wroclawski, Wroclaw, Poland
33. Department of Phycology, Lichenology and Bryology, Institute of Botany, National Academy of Sciences of Ukraine, Kiev, Ukraine
34. Department of Botany and Nature Protection, Faculty of Biology and Environmental Protection, University of Silesia in Katowice, Poland
35. Department of Geobotany and Plant Ecology, University of Łódź, Łódź, Poland