Erysiphe polygoni
DC.
KW [Darwin] 51566. Place of collection: Ukraine; Mykolaiv Oblast; Snihurivka District; Afanasiivka village (N47°01' E32°48'). Date of collection: 23 July 1952. Associated organism: Polygonum sp. (leaf). Collector: Radzīyevs’kiĭ, H.. Identifier: Heluta, V.P..