Erysiphe trifolii
Grev.
KW [Darwin] 12580. Place of collection: Ukraine; Sumy oblast; Okhtyrka district; Klymentove village (N50°22' E34°55'). Date of collection: 23 August 1986. Associated organism: Trifolium pratense (leaf). Collector: Bairak, O.M.. Identifier: Heluta, V.P..