Leptothyrium quercinum
(Lasch) Sacc.
KW [Darwin] 51206. Place of collection: Ukraine; Kiev oblast; Bila Tserkva district; Tomylivka village (N49°45' E30°14'). Date of collection: 14 September 1949. Associated organisms: Microsphaera alphitoides; Quercus robur (leaf). Collector: Zerova, M.Ya.. Identifier: Zerova, M.Ya..