Euro+MedendemicA: PolandnativeB,C; Slovakianative: reported in errorA; UkrainenativeD
Bibliography
A.Kurtto, A. & al. (ed.) 2007: Atlas Florae Europaeae 14. – Helsinki
B.Mirek, Z. 1995: Vascular plants of Poland. A Checklist. – Polish Botanical Studies Guidebook Series 15
C.Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press
D.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