Erysiphe polygoni
DC.
KW [Darwin] 12260. 采集地点: 乌克兰; Republic of Crimea; Feodosiya District; Karadah reserve; Karadah valley (south-west slope) (N44°55' E35°13'). 采集日期: 1983年7月5日. 相关生物: Polygonum patulum (叶片). 采集者: Isikov, V.P.. 鉴定人: Heluta, V.P..