Lecanora populicola
(DC.) Duby
KW [Darwin] 30635. Place of collection: Ukraine; Khmelnitskyi oblast; Yarmolyntsi district; Solobkivtsi village (near) (N49°05' E26°55'). Date of collection: 6 September 1951. Associated organism: Populus tremula (bark). Collector: Oksner, A.M..