Oidium
sp.
KW [Darwin] 50804. Place of collection: Ukraine; Kiev oblast; Kiev city; Ivana Kudri street 42/22 (N50°26' E30°32'). Date of collection: 10 October 1972. Associated organism: Aster salignus (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..