Oidium sp.

KW [Darwin] 16186. Place of collection: Ukraine; Khmelnitskyi oblast; Kamianets-Podilskyi district; Kamianets-Podilskyi town, near (N48°40' E26°35'). Date of collection: 29 September 1949. Associated organism: Cucumis sativus (leaf). Collector: Isayeva, O.V.. Identifier: Isaeva, O.V..