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Vítězslav Plášek
Dept. of Biology and Ecology, University of Ostrava, Chittussiho 10, CZ-710 00 Ostrava, Czech Republic
Jakub Sawicki
Department of Botany and Nature Protection, University Warmia and Mazury, Plac Łódzki 1, 10-728 Olsztyn, Poland and Dept. of Biology and Ecology, University of Ostrava, Chittussiho 10, CZ-710 00 Ostrava, Czech Republic
Ryszard Ochyra
Laboratory of Bryology, Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland
Monika Szczecińska
Department of Botany and Nature Protection, University Warmia and Mazury, Plac Łódzki 1, 10-728 Olsztyn, Poland
Tomasz Kulik
Department of Botany and Nature Protection, University Warmia and Mazury, Plac Łódzki 1, 10-728 Olsztyn, Poland