Oidium sp.

KW [Darwin] 16187. Place of collection: Ukraine; Khmelnitskyi oblast; Kamianets-Podilskyi district; Stara Ushytsia village (N48°36' E27°05'). Date of collection: 12 August 1948. Associated organism: Cucumis sativus (leaf). Collector: Isayeva, O.V.. Identifier: Isaeva, O.V..