Erysiphe aquilegiae DC.

KW [Darwin] 53598. Place of collection: Ukraine; Ternopil oblast; Husiatyn district; Medobori Nature Reserve; Viknyans’ke forestry; Payivka village, road along 150-year old beech forest (N49°19' E26°09'). Date of collection: 7 September 1994. Associated organism: Ranunculus acris (leaf). Collector: Dudka, I.O.. Identifier: Kolomīyets’, Ī.V..