Tibor LJUBKA 1, István HADNAGY 1, Olga TSARENKO 2, Iryna TYMCHENKO 2, Erzsébet KOHUT 1*
1 Ferenc Rákóczi II Transcarpathian Hungarian College of Higher Education István Fodor Research Centre, 6 Kossuth sq., Berehove, Transcarpathia Reg., 90202, Ukraine
2 M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2 Tereschenkivska Str., Kyiv 01004, Ukraine
1 Ferenc Rákóczi II Transcarpathian Hungarian College of Higher Education István Fodor Research Centre, 6 Kossuth sq., Berehove, Transcarpathia Reg., 90202, Ukraine
2 M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, 2 Tereschenkivska Str., Kyiv 01004, Ukraine
In this publication, generalized information on the geographical distribution and ecological affiliation of Epipactis tallosii A. Molnár & Robatsch. (Orchidaceae) in Ukraine, and the state of its populations is analysed. In 2016, the species was first observed in Transcarpathia, in the vicinity of the village Nove Selo. Later, in 2020-2021 we found three new localities in the old floodplain willow-poplar forest (association Salici-Populetum (Tx. 1931) Meijer-Drees 1936) on the banks of the Borzhava river near villages of Bene and Kvasovo (Beregovo district). The article describes the ecology and habitat of the species in the study region.