Erysiphe polygoni
DC.
KW [Darwin] 12255. Place of collection: Ukraine; Republic of Crimea; Feodosiya District; Karadah reserve; Karadah valley (lowest part) (N44°55' E35°13'). Date of collection: 19 August 1982. Associated organism: Polygonum patulum (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..