209 Thaiszia - J. Bot., Košice, 30 (2): 209-220, 2020 https://doi.org/10.33542/TJB2020-2-05 THAISZIA JOURNAL OF BOTANY New floristic records from Central Europe 6 (reports 81-98) Matej Dudáš 1 (ed.), Pavol Eliáš 2 , Pavol Eliáš jun. 3 , Artur Górecki 4 , Matúš Hrivnák 5 , Richard Hrivnák 6 , Miroslava Malovcová-Staníková 7 , Margaréta Marcinčinová 1 & Artur Pliszko 4 1 Department of Botany, Institute of Biology & Ecology, Faculty of Science, P. J. Šafárik University, Mánesova 23, SK-041 54 Košice, Slovakia, dudas.mato@gmail.com 2 Generála Goliána 8, SK-97102, Trnava, Slovakia, pavol.elias149@gmail.com 3 Department of Environment and Biology, Slovak University of Agriculture, Tr. A. Hlinku 2, SK-949 76, Nitra, Slovakia, pavol.elias.jun@gmail.com 4 Institute of Botany, Faculty of Biology, Jagiellonian University, Gronostajowa 3, 30-387 Kraków, Poland, artur.pliszko@uj.edu.pl; artur.gorecki@doctoral.uj.edu.pl 5 Department of Phytology, Faculty of Forestry, Technical University in Zvolen, T. G. Masaryka 24, SK- 960 53 Zvolen, Slovakia, matus.hrivnak@tuzvo.sk 6 Institute of Botany, Plant Science and Biodiversity Center, Slovak Academy of Sciences, Dúbravská cesta 9, SK-845 23 Bratislava, Slovakia, richard.hrivnak@savba.sk 7 Homeland museum Hlohovec, Františkánske námestie 1, SK-920 01, Hlohovec, Slovakia, malovcova.miroslava@zupa-tt.sk Dudáš M. (ed.), Eliáš P., Eliáš P. jun., Górecki A., Hrivnák M., Hrivnák R., Malovcová-Staníková M., Marcinčinová M. & Pliszko A. (2020): New floristic records from Central Europe 6 (reports 81-98). – Thaiszia – J. Bot. 30 (2): 209-220. Abstract: The presented sixth part of the series includes 18 new chorological records of vascular plants, five from Poland and thirteen from Slovakia. In Poland, the first spontaneous occurrence of Clinopodium nepeta subsp. nepeta outside cultivation is reported from Kraków. Also new localities of Euphorbia maculata, Panicum capillare, Plantago coronopus and Symphyotrichum ciliatum from southern Poland were found. In Slovakia, new records of alien Cardamine occulta, Lindernia dubia, Nigella damascena, Pistia stratiotes (with map of known records), Sagittaria latifolia, Senecio inaequidens, Silybum marianum and Vinca major were done as well as autochthonous Cotoneaster melanocarpus, Herniaria hirsuta, Verbascum speciosum and Xeranthemum annuum. Keywords: chorology, vascular plants, new findings, Poland, Slovakia, native species, alien, red list species.