Erysiphe trifolii
Grev.
KW [Darwin] 12444. Place of collection: Ukraine; Luhansk Oblast; Sverdlovsk District; Roven’ky town; north-west environs (N48°06' E39°20'). Date of collection: 29 September 1973. Associated organism: Melilotus officinalis (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..