Erysiphe polygoni
DC.
KW [Darwin] 11534. Place of collection: Ukraine; Republic of Crimea; Bakhchysarai District; Tinyste village (N44°44' E33°40'). Date of collection: 14 September 1977. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..