Euro+MedendemicA: BulgarianativeB; North MacedonianativeA
Bibliography
A.Kurtto, A. & al. (ed.) 2007: Atlas Florae Europaeae 14. – Helsinki
B.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