Acknowledgements
F. Müller thanks J. Váňa (Prague) for confirming the identity of Cylindrocolea ugandica and M. J. Wigginton (Warmington) for helpful suggestions. The work of E. A. Borovichev, V. A. Bakalin, T. Katagiri, and T. Yamaguchi was partially supported by the Russian Foundation of Basic Researches (grants no. 15-04-03479, 15-34-20101) and President's Programme for support of PhD researches (МК-2926.2015.4). The work of Y.-J. Yoon and Ji Hee Kim was supported by Korea Polar Research Institute (PE15020). The work of E. A. Borovichev was supported by the Russian Science Foundation (project no. 15-14-10023). The contributions by H. Bednarek-Ochyra have been financially supported by the Polish National Centre of Science through grant No. N 303 796 940. The field work of M. Leboubier on Îles Crozet and Îles Kerguelen was organised within the programme 136 ECOBIO of the French Polar Institute (IPEV). The contributions by V. Plášek are part of research projects of the Institute of Environmental Technologies, reg. no. CZ.1.05/2.1.00/03.0100, the National Feasibility Programme I of the Czech Republic Project LO1208 and SYNTHESYS project DE-TAF-4436. The contribution by I. Parnikoza gained the financial support of the National Antarctic Research Centre of the Ministry of Education and Science of the Ukraine and US National Science Agency, especially V. Papitashvili. He is also thankful to D. Pilipenko for assistance in field work. His research was performed as part of the national targeted scientific and technological programme of research in the Antarctic for 2011–2020 and in accordance with an agreement on the scientific cooperation between the Polish Academy of Sciences and the National Academy of Sciences of the Ukraine under the project “Adaptive strategy of mutual survival of organisms in extreme environmental conditions” (2015–2017). S.P. Bester wishes to thank the Okavango Wilderness Project (National Geographic Society, Grant Number EC0715-15) for financial assistance to accompany the land-based team in the June 2015 section of the “Into the Okavango”expedition to south-eastern Angola. A.K. Asthana and Ankita Srivastava are grateful to the Director, CSIR-National Botanical Research Institute, Lucknow for encouragement and providing facilities (under OLP-0083). P. Erzberger and W. Schröder thank B. Papp, curator of BP, for the loan of material. The fieldwork of N. J. M. Gremmen was financed by the South African National Antarctic Programme, and logistical support was provided by the South African Department for Environmental Affairs and Tourism. The studies by T. Özdemir and N. Batan, M. Alataş and H. Erata were supported by TUBITAK (project no's: 111T857, 113Z228, and 113Z653). The work of V. Fedosov was partly supported by Grant # 14-50-00029 “Scientific basis of the national biobank – depository of the living systems” (branch “Plants”) from Russian Science Foundation (RNF). P. Saha, Md Nehal Aziz, D. Maity are grateful to the Director, Botanical Survey of India for encouragement and facilities.
Taxonomic Additions and Changes: Nil.