Oidium sp.

KW [Darwin] 41089. 采集地点: 乌克兰; Kherson Oblast; Chaplynka District; Askania Nova settlement; Botanic Garden (N46°27' E33°51'). 相关生物: Aster salignus (叶片). 鉴定人: Merezhko, T.A.; Smyk, L.V..