Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 52198. Place of collection: Ukraine; Donetsk Oblast; Artemivsk District; Sīvers’k (N48°51' E38°05'). Date of collection: 5 September 1950. Associated organism: Quercus robur (leaf). Collector: Kharkevich, H.S.. Identifier: Morochkovs’ka, H.S..