1. Department of Life Sciences, The Natural History Museum, London SW7 5BD, UK
2. Polish Academy of Sciences, W. Szafer Institute of Botany, Kraków, Poland
3. PG & Research Department of Botany, The Zamorin’s Guruvayurappan College, Kozhikode, Kerala, India
4. INIBIOMA, CONICET, Universidad Nacional del Comahue (UNComahue), San Carlos de Bariloche, Río Negro, Argentina
5. Institute of Biology Komi Science Centre UB RAS, Syktyvkar, Komi Republic, Russia
6. Belziger Str. 37, Berlin D-10823, Germany
7. Departamento de Biodiversidad, Ecología y Evolución, Facultad de Biología, UCM, Madrid, España
8. Departamento de Botánica y Geología, Universidad de Valencia, Burjassot, Spain
9. Bryology Laboratory, CSIR-National Botanical Research Institute, Lucknow, India
10. Albrecht von Haller Institute, University of Göttingen, Göttingen, Germany
11. Department of Botany, Swedish Museum of Natural History, Stockholm, Sweden+
12. Department of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
13. Department of Botany, University of South Bohemia, České Budějovice, Czech Republic
14. Departamento de Biología (Botánica), Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain
15. Centro de Investigación en Biodiversidad y Cambio Global, Madrid, Spain
16. Tsitsin Main Botanical Garden of the Russian Academy of Sciences, Moscow, Russia
17. The Museum and Library of Hungarian Agriculture, Budapest, Városliget, Vajdahunyadvár, Hungary
18. Institute of Ecology and Botany, Vácrátót, Hungary
19. Russian Academy of Sciences, Federal Research Center Karelian Scientific Center, Petrozavodsk, Russia
20. Department of Environmental and Life Science, University of Cagliari, Cagliari, Italy
21. Cera dos Pomares, Aljezur, Portugal
22. Department of Biological, Geological and Environmental Biology, University of Catania, Catania, Italy
23. Bükk National Park Directorate, Eger, Hungary
24. Department of Phytology, Technical University, Zvolen, Slovakia
25. Botanic Garden and Botanical Museum Berlin-Dahlem, Free University of Berlin, Berlin, Germany
26. Department of Ecology, Taxonomy and Nature Conservation, Institute of Biology Bucharest of Romanian Academy, Bucharest, Romania
27. Russian Academy of Sciences, Polar-Alpine Botanical Garden, Kola Science Centre, Apatity, Murmansk Province, Russia
28. Tsitsin Main Botanical Garden, Moscow, Russia
29. Faculty of Biology, Moscow State University, Moscow, Russia
30. Central Siberian Botanical Garden, Novosibirsk, Russia