Erysiphe polygoni
DC.
KW [Darwin] 12331. Place of collection: Ukraine; Donetsk Oblast; Novoazovsk District; Khomutovskyi Steppe reserve; east part of (N47°17' E38°10'). Date of collection: 20 August 1974. Associated organism: Rumex sp. (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..