Melampsora allii-populina
Kleb.
KW [Darwin] 4548. Place of collection: Ukraine; Cherkasy Oblast; Kaniv District; Kanīv town; island on Dnieper river (N49°44' E31°30'). Date of collection: 19 August 1940. Associated organism: Populus nigra (leaf). Collector: Zerova, M.Ya.. Identifier: Zerova, M.Ya..