1. Department of Life Sciences, The Natural History Museum, Cromwell Road, London SW7 5BD, UK
2. Russian Academy of Science, Komarov Botanical Institute, St. Petersburg, Russia
3. Missouri Botanical Garden, St. Louis, MO, USA
4. W. Szafer Institute of Botany, Polish Academy of Sciences, Kraków, Poland
5. Carrera de Ingeniería Agroindustrial y Alimentos, Facultad de Ingeniería y Ciencias Agropecuarias, Universidad de Las Américas, Calle José Queri, Quito, Pichincha, 170137, Ecuador
6. Natural History Museum of Montenegro, Podgorica, Montenegro
7. Departamento de Briología y Pteridología, Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima, Peru
8. Department of Botany, Institute of Biology and Ecology, PavolJozefŠafárik University, Košice, Slovakia
9. Donceel, Belgium
10. le bourg, Blassac 43 380, France
11. Polar-Alpine Botanical Garden-Institute of the Kola Science Center of RAS, Kirovsk, Murmansk Province, Russia
12. The Zamorin’s Guruvayurappan College, Calicut, Kerala 673014, India
13. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria
14. Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia
15. Instituto de Botânica, São Paulo, SP – Brazil
16. Biology and Ecology Department, University of Ostrava, Ostrava, Czech Republic
17. Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
18. Cera dos Pomares, Aljezur, Portugal
19. Department of Biology, University of Zagreb, Zagreb, Croatia
20. Institute of Botany and Botanical Garden, University of Belgrade, Belgrade, Serbia
21. Herdwangen-Schönach, Germany
22. Museu Nacional de História Natural e da Ciência, Universidade de Lisboa, Lisbon, Portugal
23. Institute of Biology Bucharest of Romanian Academy, Bucharest, Romania
24. Botany Department, Ain Shams University, Cairo, Egypt
25. Department of Geobotany and Plant Ecology, University of Łódź, Łódź, Poland