1. Faculty of Biology, Department of Ecology and Environmental Protection, Institute for Research on Biodiversity, University of Szczecin, Szczecin, Poland
2. Faculty of Biology, Molecular Biology and Biotechnology Center, University of Szczecin, Szczecin, Poland
3. Department of Plant Taxonomy and Phytogeography, Institute for Research on Biodiversity, Faculty of Biology, University of Szczecin, Szczecin, Poland