Erysiphe polygoni
DC.
KW [Darwin] 12241. Place of collection: Ukraine; Poltava Oblast; Velyka Bahachka District; Velyka Bahachka settlement (N49°47' E33°43'). Date of collection: 16 August 1985. Associated organism: Polygonum lapathifolium (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..