Oidium sp.

KW [Darwin] 50824. Place of collection: Ukraine; Kharkiv oblast; Borova district; Borova settlement, southwest side (N49°23' E37°37'). Date of collection: 23 August 1985. Associated organism: Chondrilla juncea (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..