Oidium sp.

KW [Darwin] 51258. 采集地点: 乌克兰; Khmelnitskyi Oblast; Kamianets-Podilskyi District; Kamianets-Podilskyi town; Smotrich river (side, left) (N48°40' E26°35'). 采集日期: 1948年7月2日. 相关生物: Sideritis montana (叶片). 采集者: Isayeva, O.V.. 鉴定人: Heluta, V.P..