Erysiphe polygoni
DC.
KW [Darwin] 11571. Place of collection: Ukraine; Kherson Oblast; Henichesk District; Chonhar village (N46°02' E34°34'). Date of collection: 24 September 1977. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..