1. Bryophyte Surveys Ltd, Bristol, UK
2. University of Camerino, Camerino, Italy
3. University of Zagreb, Zagreb, Croatia
4. Swedish Museum of Natural History, Stockholm, Sweden
5. Dore, Sheffield, UK
6. University of Lausanne, Lausanne, Switzerland
7. Natural History Museum of Montenegro, Podgorica, Montenegro
8. Centro de Investigación en Biodiversidad y Cambio Global (CIBC-UAM), Madrid, Spain
9. Universidad Autónoma de Madrid, Madrid, Spain
10. Adnan Menderes University, Aydin, Turkey
11. Berlin, Germany
12. University of Lisbon, Lisbon, Portugal
13. University of Valencia, Valencia, Spain
14. Blassac, France
15. Bulgarian Academy of Sciences, Sofia, Bulgaria
16. Centre for Ecological Research, Vácrátót, Hungary
17. Hungarian Natural History Museum, Budapest, Hungary
18. University of Belgrade, Belgrade, Serbia
19. University of Liège, Liège, Belgium