Golovinomyces mayorii
(S. Blumer) Heluta
KW [Darwin] 12222. Place of collection: Ukraine; Kiev oblast; Kiev city; Central Botanic Garden (N50°25' E30°32'). Date of collection: 16 October 1983. Associated organism: Cirsium setosum (leaf, stem). Collector: Marchenko, P.D.. Identifier: Heluta, V.P..