Erysiphe polygoni
DC.
KW [Darwin] 12300. Place of collection: Ukraine; Kyiv Oblast; Borodianka District; Spartak railway station (N50°40' E29°45'). Date of collection: 19 August 1979. Associated organism: Rumex acetosella (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..