Erysiphe polygoni
DC.
KW [Darwin] 11547. Place of collection: Ukraine; Mykolaiv Oblast; Berezanka District; Kobleve village (N46°39' E31°12'). Date of collection: 3 July 1978. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..