Podosphaera leucotricha (Ellis & Everh.) E.S. Salmon

Isikov 3854. Place of collection: Russia; Volgograd Oblast; Dubovka village; Volga river, flood plain (N49°03' E44°49'). Date of collection: 8 July 1986. Associated organism: Pyrus communis (leaf). Collector: Isikov, V.P..