Erysiphe polygoni
DC.
KW [Darwin] 53650. Place of collection: Ukraine; Ternopil Oblast; Husiatyn District; Medobori Nature Reserve; Viknyans’ke forestry; Payivka village (N49°19' E26°09'). Date of collection: 11 August 1995. Associated organism: Polygonum aviculare (leaf). Collector: Kolomīyets’, Ī.V.. Identifier: Kolomīyets’, Ī.V..