Erysiphe polygoni
DC.
KW [Darwin] 11569. Place of collection: Ukraine; Kharkiv Oblast; Kharkiv city; railway station Kharkīv-Levada (N50°0x' E36°1x'). Date of collection: 21 July 1977. Associated organism: Polygonum aviculare (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..