Euro+MedendemicA: Russia (S European RussianativeA); UkrainenativeA,B,C
Bibliography
A.Kurtto, A. & al. (ed.) 2004: Atlas Florae Europaeae 13. – Helsinki
B.Mosyakin, S. L. & Fedoronchuk, M. M. 1999: Vascular plants of Ukraine. A nomenclatural checklist. – Kiev: M. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine
C.Prokudin, J. N. 1987: Opredelitel’ vysših rastenij Ukrainy. – Kiev: Naukova Dumka