Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 52226. Place of collection: Ukraine; Donetsk Oblast; Oleksandrivka village (N49°06' E37°35'). Date of collection: 11 September 1950. Associated organism: Quercus robur (leaf). Collector: Kharkevich, H.S.. Identifier: Morochkovs’ka, H.S..