Oidium sp.

KW [Darwin] 14971. 采集地点: 乌克兰; Poltava Oblast; Kobeliaky District; island Vishnyaki on Dnīprī between villages Svītlohīrs’ke and Orlik; south-west part of island (N48°50' E34°07'). 采集日期: 1994年8月12日. 相关生物: Robinia pseudacacia (叶片). 采集者: Heluta, V.P.. 鉴定人: Minter, D.W..