Lecanora populicola
(DC.) Duby
KW [Darwin] 30636. Place of collection: Ukraine; Khmelnitskyi oblast; Dunaïvtsi district; Varvarīvka village (near) (N48°58' E26°59'). Date of collection: 7 September 1951. Associated organism: Populus tremula (bark). Collector: Makarevych, M.F..