Erysiphe pisi
DC.
KW [Darwin] 11458. Place of collection: Ukraine; Donetsk Oblast; Kamiani Mohyly reserve (N47°18' E37°05'). Date of collection: 27 September 1954. Associated organism: Medicago falcata subsp. romanica (leaf, stem). Collector: Morochkovsky, S.F.. Identifier: Heluta, V.P..