1. Protected Landscape Area Cerová Vrchovina, State Nature Conservancy of the Slovak Republic, Železničná 31, 979 01 Rimavská Sobota, Slovakia
2. Department of Ecology and Environmental Sciences, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University, Tr. A. Hlinku 1, 949 74 Nitra, Slovakia
3. Department of Phytology, Faculty of Forestry, Technical University in Zvolen, T. G. Masaryka 24, 960 01 Zvolen, Slovakia