Erysiphe cruciferarum
Opiz ex L. Junell
KW [Darwin] 10778. Place of collection: Ukraine; Kyiv Oblast; Irpin’ District; Bucha settlement (N50°33' E30°12'). Date of collection: 11 July 1982. Associated organism: Hesperis pycnotricha (leaf, stem). Collector: Burdyukova, L.I.. Identifier: Heluta, V.P..