Erysiphe polygoni
DC.
KW [Darwin] 11537. Place of collection: Ukraine; Republic of Crimea; Simferopol District; Hvardiiske settlement (N45°07' E34°00'). Date of collection: 2 July 1976. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..