Mycosphaerella
sp.
KW [Darwin] 26398. Place of collection: Ukraine; Ternopil Oblast; Borshchiv District; Skala-Podilska forestry (N48°51' E26°11'). Date of collection: 7 May 1950. Associated organism: Fagus sylvatica (leaf). Collector: Isayeva, O.V.. Identifier: Isayeva, O.V..