Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 12789. Place of collection: Ukraine; Chernihiv Oblast; Koriukivka District; Brech village; Haĭ forest parcel (N51°44' E32°20'). Date of collection: 1 August 1947. Associated organism: Quercus robur (leaf). Collector: Morochkovsky, S.F.. Identifier: Heluta, V.P..