Erysiphe thesii L. Junell

KW [Darwin] 12342. Place of collection: Ukraine; Donetsk oblast; Sloviansk district; Sidorove village (N48°59' E37°35'). Date of collection: 21 August 1985. Associated organism: Thesium arvense (leaf, stem). Collector: Heluta, V.P.. Identifier: Heluta, V.P..