1. MTA Centre for Ecological Research, Institute of Ecology and Botany, Alkotmány u. 2-4. H-2163 Vácrátót, Hungary
2. Department of Plant Systematics, Ecology and Theoretical Botany, Eötvös Loránd University, Pázmány Péter sétány 1/C, H-1117 Budapest, Hungary
3. MTA Centre for Ecological Research, GINOP Sustainable Ecosystems Research Group, Klebelsberg u. 3. H-8237 Tihany, Hungary
4. Department of Forest Site Diagnosis and Classification, University of Sopron, Bajcsy-Zsilinszky út 4, H-9400 Sopron, Hungary