Erysiphe polygoni
DC.
KW [Darwin] 12339. Place of collection: Ukraine; Kharkiv Oblast; Kharkiv city (near, to north) (N50°0x' E36°1x'). Date of collection: 29 August 1985. Associated organism: Rumex sp. (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..