Erysiphe pisi
 DC.
KW [Darwin] 11463.  Place of collection: Ukraine; Donetsk Oblast; Sloviansk District; Sidorove village (N48°59' E37°35').  Date of collection: 23 July 1986. Associated organism: Medicago falcata subsp. romanica (leaf, petiole, stem). Collector: Heluta, V.P..  Identifier: Heluta, V.P..