Microsphaera alphitoides
Griffon & Maubl.
KW [Darwin] 52235. Place of collection: Ukraine; Zhytomyr Oblast; Pyshchiv village (N50°37' E29°20'). Date of collection: 13 August 1948. Associated organism: Quercus robur (leaf). Collector: Zerova, M.Ya.. Identifier: Heluta, V.P..