Euro+MedendemicA,B: France, with Channel is. and Monaco (FrancenativeC); Italy, with San Marino and Vatican CitynativeB; Spain, with Gibraltar and AndorranativeC (SpainnativeA)
Bibliography
A.Bolòs, O. de, Vigo Bonada, J., Masalles, R. M. & Ninot, J. M. 1990: Flora manual dels països catalans. – Barcelona
B.Pignatti, S. 1982: Flora d'Italia 2
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