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Wojciech Ejankowski
Department of Botany and Hydrobiology, Institute of Environment Protection, The John Paul II Catholic University of Lublin, Konstantynów 1H, 20-708 Lublin, Poland
Anna M. Iglińska
Chair of Geobotany and Landscape Planning, Nicolaus Copernicus University, Gagarina 9, 87-100 Toruń, Poland