Erysiphe trifolii
Grev.
KW [Darwin] 12551. Place of collection: Ukraine; Volynska oblast; Kivertsi district; Kivertsi settlement (N50°50' E25°27'). Date of collection: 9 October 1983. Associated organism: Trifolium pratense (leaf). Collector: Marchenko, P.D.. Identifier: Heluta, V.P..