Oidium
sp.
KW [Darwin] 50847. Place of collection: Ukraine; Sumy oblast; Lebedyn district; Mykhailivska Tsilyna reserve (N50°45' E34°10'). Date of collection: 2 September 1985. Associated organism: Cucurbita pepo (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..