Erysiphe polygoni
DC.
KW [Darwin] 12242. Place of collection: Ukraine; Poltava Oblast; Velyka Bahachka District; Hoholeve village (N49°55' E33°49'). Date of collection: 17 August 1985. Associated organism: Polygonum lapathifolium (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..