Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 12787. Place of collection: Ukraine; Chernihiv Oblast; Kozelets District; Oster town (N50°57' E30°53'). Date of collection: 22 June 1946. Associated organism: Quercus robur (leaf). Collector: Morochkovsky, S.F.. Identifier: Heluta, V.P..