Erysiphe urticae
(Wallr.) S. Blumer
KW [Darwin] 51653. Place of collection: Ukraine; Donetsk Oblast; Volnovakha District; Ol’hynka village; Veliko-Anadol’s’ke forestry (N47°40' E37°27'). Date of collection: 4 October 1950. Associated organism: Urtica dioica (leaf). Collector: Kharkevich, H.S.. Identifier: Heluta, V.P..