Erysiphe trifolii
Grev.
KW [Darwin] 51610. Place of collection: Ukraine; Mykolaiv Oblast; Snihurivka District; Snihurivka settlement (N47°04' E32°47'). Date of collection: 22 July 1952. Associated organism: Melilotus officinalis (leaf). Collector: Radzīyevs’kiĭ, H.. Identifier: Heluta, V.P..