Erysiphe polygoni
DC.
KW [Darwin] 11482. Place of collection: Ukraine; Volynska Oblast; Volodymyr-Volynskyi District; Volodymyr-Volynskyi town (near, to south-west) (N50°50' E24°19'). Date of collection: 6 September 1984. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..