Erysiphe polygoni DC.

KW [Darwin] 12284. 采集地点: 乌克兰; Kyiv Oblast; Pereiaslav-Khmelnytskyi District; Pereiaslav-Khmel’nytskyi town (near, to south) (N50°10' E31°33'). 采集日期: 1985年8月13日. 相关生物: Rumex acetosa (叶片). 采集者: Heluta, V.P.. 鉴定人: Heluta, V.P..