Erysiphe polygoni DC.

KW [Darwin] 53371. Place of collection: Ukraine; Volynska Oblast; Lyubeshiv District; Lyubotin village, near, to southwest; Prip’yat’ river valley, island (N51°51' E25°16'). Date of collection: 20 August 1998. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..