Erysiphe trifolii
Grev.
KW [Darwin] 12536. Place of collection: Ukraine; Sumy oblast; Lebedyn district; Mykhailivska Tsilyna reserve (N50°45' E34°10'). Date of collection: 6 September 1954. Associated organism: Trifolium medium (leaf). Collector: Morochkovsky, S.F.. Identifier: Heluta, V.P..