Damian Chmura
Institute of Environmental Protection and Engineering, Faculty of Materials and Environmental Sciences, University of Bielsko-Biala, Willowa 2, 43-309 Bielsko-Biala
Poland

Barbara Tokarska-Guzik
Department of Plant Systematics, University of Silesia, Jagiellońska 28, 40-032 Katowice
Poland

Teresa Nowak
Department of Plant Systematics, University of Silesia, Jagiellońska 28, 40-032 Katowice
Poland

Gabriela Woźniak
Department of Geobotany and Nature Protection, University of Silesia, Jagiellońska 28, 40-032 Katowice

Katarzyna Bzdęga
Department of Plant Systematics, University of Silesia, Jagiellońska 28, 40-032 Katowice
Poland

Katarzyna Koszela
Department of Plant Systematics, University of Silesia, Jagiellońska 28, 40-032 Katowice
Poland

Małgorzata Gancarek
Department of Plant Systematics, University of Silesia, Jagiellońska 28, 40-032 Katowice
Poland