Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 51242. Place of collection: Ukraine; Cherkasy Oblast; Kaniv District; Kanīv town; Kanīvs’kiĭ reserve; orchard (N49°44' E31°30'). Date of collection: 5 September 1944. Associated organism: Quercus robur (leaf). Collector: Horodets’ka. Identifier: Heluta, V.P..