Oidium sp.

KW [Darwin] 53917. 采集地点: 乌克兰; Volynska Oblast; Lyubeshiv District; Lyubotin village, near, to southwest; Prip’yat’ river valley, island (N51°51' E25°16'). 采集日期: 1998年8月20日. 相关生物: Viola tricolor (叶片). 采集者: Heluta, V.P.. 鉴定人: Heluta, V.P..