Erysiphe cruciferarum Opiz ex L. Junell

KW [Darwin] 45110. 采集地点: 乌克兰; Luhansk Oblast; Sverdlovsk District; Provallia village; Provalsky Steppe reserve (N48°08' E39°48'). 相关生物: Capsella bursa-pastoris (叶片). 鉴定人: Heluta, V.P..