Erysiphe polygoni
DC.
KW [Darwin] 12236. Place of collection: Ukraine; Kyiv Oblast; Fastiv District; Kozhanka settlement (N49°58' E29°46'). Date of collection: 26 August 1979. Associated organism: Polygonum lapathifolium (leaf). Collector: Heluta, V.P.. Identifier: Heluta, V.P..