Lecanora populicola
(DC.) Duby
KW [Darwin] 30646. Place of collection: Ukraine; Zakarpatska oblast; Vynohradiv district; Shalanky village; helmets forest parcel (N48°14' E22°55'). Date of collection: 24 August 1949. Associated organism: Populus tremula (bark). Collector: Makarevych, M.F..