Euro+Med: AzoresnativeA; BalearesnativeA; CorsicanativeA; France, with Channel is. and Monaco (FrancenativeA); Italy, with San Marino and Vatican CitynativeA; PortugalnativeA,B; SardinianativeA; Spain, with Gibraltar and AndorranativeA (SpainnativeA)
Bibliography
A.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
B.Franco & J. do Amaral 1984: Nova flora de Portugal (continente e Açores) 2. – Lisboa