L. T. Ellis, C. Ah-Peng, G. Aslan, V. A. Bakalin, A. Bergamini, D. A. Callaghan, P. Campisi, F. M. Raimondo, S. S. Choi, J. Csiky, É. Csikyné Radnai, B. Cykowska-Marzencka, I. V. Czernyadjeva, Yu M. Kalinina, O. M. Afonina, G. Domina, P. Drapela, V. E. Fedosov, E. Fuertes, R. Gabriel, M. Kubová, I. Soares Albergaria, G. Gospodinov, R. Natcheva, A. Graulich, T. Hedderson, E. Hernández-Rodríguez, V. Hugonnot, C. W. Hyun, M. Kırmacı, U. Çatak, S. Kubešová, J. Kučera, C. La Farge, J. Larraín, P. Martin, B. Mufeed, C. N. Manju, K. P. Rajesh, Cs. Németh, J. Nagy, N. Norhazrina, N. Syazwana, S. V. O’Leary, S. J. Park, A. P. Peña-Retes, A. Rimac, A. Alegro, V. Šegota, N. Koletić, N. Vuković, S. Rosadziński, J. A. Rosselló, M. S. Sabovljević, A. D. Sabovljević, A. Schäfer-Verwimp, C. Sérgio, A. V. Shkurko, D. Shyriaieva, V. M. Virchenko, M. Smoczyk, D. Spitale, P. Srivastava, I. Omar, A. K. Asthana, M. Staniaszek-Kik, A. Cienkowska, M.-M. Ștefănuţ, S. Ștefănuţ, G. Tamas, C.-C. Bîrsan, G.-R. Nicoară, M. C. Ion, T. Pócs, G. Kunev, E. I. Troeva, J. van Rooy, P. Wietrzyk-Pełka, M. H. Węgrzyn, G. J. Wolski, D. Bożyk, The Natural History Museum [London] (NHM), Peuplements végétaux et bioagresseurs en milieu tropical (UMR PVBMT), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Université de La Réunion (UR)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Adnan Menderes Üniversitesi, Botanical Garden-Institute, Far-East Branch, Russian Academy of Sciences, Vladivostok, Russia, Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Bryophyte Surveys Ltd, Università degli studi di Palermo - University of Palermo, National Institute of Environmental Research [South Korea] (NIER), University of Pecs, Lajos Nagy Grammar School of the Cistercian Order, Polish Academy of Sciences (PAN), Komarov Botanical Institute of Russian Academy of Science, Russian Academy of Sciences [Moscow] (RAS), Lomonosov Moscow State University (MSU), Universidad Complutense de Madrid = Complutense University of Madrid [Madrid] (UCM), University of the Azores, Centre for Ecology, Evolution and Environmental Changes (cE3c) /Azorean Biodiversity Group and Universidade dos Açores - Faculdade de Ciências Agrárias e do Ambiente, Angra do Heroísmo, Açores, Bulgarian Academy of Sciences (BAS), Institute of Biodiversity and Ecosystem Research, University of Cape Town, Department of Biological Sciences, Bolus Herbarium, Université du Québec en Abitibi-Témiscamingue (UQAT), Incheon National University, Biyoloji Bolumu, Moravian Museum, University of South Bohemia, University of Alberta, Pontificia Universidad Católica de Valparaíso (PUCV), The Zamorin's Guruvayurappan College, Szent István University, Universiti Kebangsaan Malaysia, Jeonbuk National University, Univ Nacl Autonoma Mexico, University of Zagreb, Universitat de València (UV), University of Belgrade [Belgrade], Université de Belgrade, Botanical Garden, Centre for Ecology - Evolution and Environmental Changes (cE3c), Universidade de Lisboa (ULISBOA), Natl Acad Sci Ukraine, Museo delle Scienze, Lucknow University, Council of Scientific and Industrial Research [India] (CSIR), University of Lódź, University of Bucharest (UniBuc), Institute of Biology Bucharest of Romanian Academy, Université Eszterházy Károly/Eszterházy Károly Egyetem [Eger, Hungary] (UEK/EKE), Institute of Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences (SB RAS), South African National Biodiversity Institute, University of the Witwatersrand [Johannesburg] (WITS), School of Animal, Plant & Environmental Sciences, Uniwersytet Jagielloński w Krakowie = Jagiellonian University (UJ), The field work in the study was particulary supported by The Rufford Foundation (project ID 27637-1). The work of G. Gospodinov was supported by the Bulgarian Ministry of Education and Science under 249 the National Research Programme ‘Young scientists and postdoctoral students’ approved by 250 DCM no. 577/17.08.2018. Esther Fuertes and Juan Larraín thank Jörn Hentschel for confirming the identity of the Tierra del Fuego specimen of Frullania glomerata. E. Fuertes' research is funded by projects AECI, A-3818-2005, A-6307-2006 y A- 8930-2007 of the Science and Innovation Ministry of Spain. J. Larraín's research is funded by CONICYT postdoctoral grant 3160556. N. Norhazrina and N. Syazwana would like to thank Universiti Kebangsaan Malaysia for supporting this research project through Geran Universiti Penyelidikan (GUP-2018-016 and GGPM-2017-090), and thank L.T. Ellis (BM) for confirming the identity of their collection of Calymperes. The work of S. S. Choi, V. A. Bakalin and S. J. Park was supported by the grant ‘National ecosystem Survey’ from the National Institute of Ecology, while that of S. S. Choi, V. A. Bakalin and C. W. Hyun was supported by the grant ‘Biological Diversity Survey of the Flora of Korean Bryophyta (NIBR201902104)’ from the National Institute of Biological Resources of Ministry of Environment in Korea to C. W. Hyun. Laboratory work of S. S Choi was also supported by the grant ‘National ecosystem Survey’ from the National Institute of Ecology. The study by Yu. M. Kalinina and O. M. Afonina was funded by RFBR, project number 19-34-90033. The work of V. Fedosov was supported by RSF Grant 18-14-00121. T. A. Hedderson is grateful to the National Research Foundation of South Africa for their continued financial support, and to the Himalayan Wildlife Project for their logistical support in Pakistan. The contribution of E. Hernández-Rodríguez and A. P. Peña-Retes is part of the project ‘Effect of forest management on two contrasting groups: mosses and medium and large mammals, Sierra Norte, Oaxaca, Mexico’ supported by Consejo Nacional de Ciencia y Tecnología, Mexico (ID 595991) and The Sigma Xi Grant-in-Aid of Research (ID G201603152071095) through scholarships to E. Hernández-Rodríguez. The work of I. V. Czernyadjeva was supported by Russian Foundation for Basic Research (grants # 18-05-60093) and it was carried out within the framework of the institutional research project (no. АААА-А19-119020690077-4) of the Komarov Botanical Institute of the Russian Academy of Sciences. The work of G. Gospodinov and R. Natcheva was supported by The Bulgarian National Science Fund, project ‘Cryptic species in Bulgarian flora—molecular species delimitation in the Aneura pinguis complex’. Thanks are also due to the Department of Biotechnology, New Delhi for providing financial assistance. S. Ştefănuţ, G. Tamas, C.-C. Bîrsan, G.-R. Nicoară and M. C. Ion acknowledge the support by project no. RO1567-IBB03/2020 through Institute of Biology Bucharest of Romanian Academy. A. V. Shkurko was supported by governmental contract 118021490111-5 of Tsitsin Main Botanical Garden. The contribution by Beata Cykowska-Marzencka has been financially supported by the statutory fund of the W. Szafer Institute of Botany of the Polish Academy of Sciences. The field research in 2017 leading to her results has received funding from the European Union’s Horizon 2020 project INTERACT, under grant agreement No 730938. The laboratory analyses were financed by National Science Centre in Poland (research project No. 2017/27/N/ST10/00862). The work of Paulina Wietrzyk-Pełka was supported by Etiuda project of the National Science Centre in Poland (research project No. 2019/32/T/ST10/00182). M. Kırmacı, G. Aslan and U. Çatak give many thanks to Aydın Adnan Menderes University's scientific research project department (BAP) for supporting their research (FEF 18018) and to Dr Metin Armağan (Adnan Menderes University) for helping during their field trip., European Project: 262693,EC:FP7:INFRA,FP7-INFRASTRUCTURES-2010-1,INTERACT(2011), Universiti Kebangsaan Malaysia (UKM), and Universidade de Lisboa = University of Lisbon (ULISBOA)