1. Department of Hydrobiology, Faculty of Biology, University of Bialystok, Ciołkowskiego 1J, 15-245 Bialystok, Poland
2. Institute of Nature Conservation, Polish Academy of Sciences in Krakow, A. Mickiewicza 33 Ave., 31-120 Krakow, Poland
3. Department of Environmental Protection, Faculty of Biology, University of Bialystok, Ciołkowskiego 1J, 15-245 Bialystok, Poland
4. M.G. Kholodny Institute of Botany NASU, Department of Phycology, Lichenology and Bryology, St. Tereshchenkivska 2, 01601 Kyiv, Ukraine