Golovinomyces mayorii
(S. Blumer) Heluta
KW [Darwin] 12217. Place of collection: Ukraine; Kyiv Oblast; Irpin’ District; Bucha settlement (N50°33' E30°12'). Date of collection: 23 October 1982. Associated organism: Cirsium arvense (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..