Erysiphe trifolii
Grev.
KW [Darwin] 12443. Place of collection: Ukraine; Luhansk Oblast; Sverdlovsk District; Provallia village (N48°09' E39°49'). Date of collection: 26 July 1986. Associated organism: Melilotus officinalis (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..