Erysiphe polygoni
DC.
KW [Darwin] 11509. Place of collection: Ukraine; Zaporizhzhia Oblast; Melitopol District; Melitopol town (N46°50' E35°22'). Date of collection: 13 July 1978. Associated organism: Polygonum aviculare (leaf). Collector: Berehova, V.I.. Identifier: Heluta, V.P..