Erysiphe polygoni
DC.
KW [Darwin] 12284. Place of collection: Ukraine; Kyiv Oblast; Pereiaslav-Khmelnytskyi District; Pereiaslav-Khmel’nytskyi town (near, to south) (N50°10' E31°33'). Date of collection: 13 August 1985. Associated organism: Rumex acetosa (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..