Four new to Ukraine species, Biatorella fossarum (Dufour) Th. Fr., Buelliella lecanorae Suija & Alstrup, Lecanora pannonica Szatala, and Polysporina subfuscescens (Nyl.) K. Knudsen J. & Kocourk., are recorded. Their descriptions following the «Flora of the Lichens of Ukraine» standard are provided. Localities, data on ecology and taxonomic notes for six rare and recently described taxa, Lichenochora obscuroides (Linds.) Triebel & Rambold, Physcia clementei (Turner) Lynge, Placynthiella oligotropha (J. R. Laundon) Coppins & P. James, Sarcogyne lapponica (Ach. ex Schaer.) K. Knudsen & Kocourk., Thelocarpon epibolum Nyl., and Xanthoria polessica S.Y. Kondr. & A.P. Yatzyna, are reported.
Keywords: Biatorella, Buelliella, Lecanora, Lichenochora, Polysporina, Thelocarpon, Xanthoria
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