Erysiphe howeana
U. Braun
KW [Darwin] 11251. Place of collection: Ukraine; Kyiv Oblast; Brovary District; Rybne lake (N50°28' E30°43'). Date of collection: 3 July 1946. Associated organism: Oenothera biennis (leaf). Collector: Isaeva, O.V.. Identifier: Heluta, V.P..