Erysiphe polygoni
DC.
KW [Darwin] 11559. Place of collection: Ukraine; Odesa Oblast; Ovidiopol’ District; Baraboi village (N46°17' E30°31'). Date of collection: 1 July 1978. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..