Erysiphe polygoni DC.

KW [Darwin] 53652. 采集地点: 乌克兰; Ternopil Oblast; Husiatyn District; Medobori Nature Reserve; Viknyans’ke forestry, road along the field to Skeli Franka parcel (N49°20' E26°09'). 采集日期: 1994年9月8日. 相关生物: Rumex confertus (叶片). 采集者: Dudka, I.O.. 鉴定人: Kolomīyets’, Ī.V..