Erysiphe polygoni
DC.
KW [Darwin] 51556. Place of collection: Ukraine; Kyiv Oblast; Vasylkiv District; Dzvinkove village (N50°16' E30°04'). Date of collection: 30 July 1946. Associated organism: Polygonum aviculare (leaf). Collector: Radzīyevs’kiĭ, H.. Identifier: Heluta, V.P..