Erysiphe polygoni
DC.
KW [Darwin] 12245. Place of collection: Ukraine; Kharkiv Oblast; Krasnohrad District; Krasnohrad town (near, to south) (N49°22' E35°28'). Date of collection: 19 August 1985. Associated organism: Polygonum lapathifolium (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..