Erysiphe urticae
(Wallr.) S. Blumer
KW [Darwin] 12611. Place of collection: Ukraine; Kyiv Oblast; Kiev city; Holosiiv suburb (N50°23' E30°31'). Date of collection: 5 August 1946. Associated organism: Urtica dioica (leaf). Collector: Isaeva, O.V.. Identifier: Heluta, V.P..