Oidium
sp.
KW [Darwin] 16204. Place of collection: Ukraine; Kiev oblast; Kievo-Sviatoshynskyi district; Boiarka railway station (N50°18' E30°17'). Date of collection: 26 September 1931. Associated organism: Cucurbita pepo (leaf). Collector: Morochkovsky, S.F.. Identifier: Morochkovski, S.F..