Erysiphe polygoni
DC.
KW [Darwin] 12317. Place of collection: Ukraine; Republic of Crimea; Feodosiya District; Kurortne settlement (N44°55' E35°12'). Date of collection: 1 September 1981. Associated organism: Rumex crispus (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..