Oidium
sp.
KW [Darwin] 53914. Place of collection: Ukraine; Volynska oblast; Lyubeshiv district; Vetli village (N51°53' E25°08'). Date of collection: 12 August 1998. Associated organism: Rudbeckia laciniata (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..