Erysiphe polygoni
DC.
KW [Darwin] 11490. Place of collection: Ukraine; Donetsk Oblast; Mariupol District; Mariupol’ town (N47°0x' E37°3x'). Date of collection: 19 June 1977. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..