Erysimum diffusum Ehrh.

Record number: 70003. Place of collection: Ukraine; Zaporizhzhia Oblast; Vodiane village (N47°29' E34°29'). Date of collection: 6 October 1973. Associated organism: Erysiphe cruciferarum. Collector: Dudka, I.O..

Record number: 70005. Place of collection: Ukraine; Kyiv Oblast; Kiev city; Central Botanic Garden (N50°25' E30°32'). Date of collection: 12 September 1977. Associated organism: Erysiphe cruciferarum. Collector: Potayenko.

Record number: 83529. Place of collection: Ukraine; Donetsk Oblast; Maiaky village; abrupt banks of the river Siverskyi Donets (N48°57' E37°37'). Date of collection: 23 July 1977. Associated organism: Albugo candida var. microspora. Collector: Heluta, V.P..

Record number: 83531. Place of collection: Ukraine; Kyiv Oblast; Kiev city; Central Botanic Garden (N50°25' E30°32'). Date of collection: 12 September 1977. Associated organism: Albugo candida var. microspora. Collector: Potayenko.

Record number: 92070. Place of collection: Ukraine; Donetsk Oblast; Kamiani Mohyly reserve (N47°18' E37°05'). Date of collection: 3 October 1973. Associated organism: Leptosphaeria maculans. Collector: Smyk, L.V..

Record number: 236978. Place of collection: Ukraine. Associated organism: Leptosphaeria maculans. Collector: Smyk, L.V..