Erysiphe thesii
L. Junell
KW [Darwin] 12340. Place of collection: Ukraine; Donetsk oblast; Novoazovsk district; Khomutovskyi Steppe reserve (N47°17' E38°10'). Date of collection: 28 July 1986. Associated organism: Thesium arvense (leaf, stem, fruit). Collector: Heluta, V.P.. Identifier: Heluta, V.P..