Peronospora niessleana
Berl.
KW [Darwin] 18201. Place of collection: Ukraine; Sumy oblast; Sumy district; Kianytsia village; arboretum (N51°04' E34°55'). Date of collection: 13 June 1973. Associated organism: Alliaria petiolata (leaf). Collector: Berehova, V.I.. Identifier: Burdyukova, L.I..