Euro+Med: France, with Channel is. and Monaco (FranceintroducedA,B); Ireland, with N Ireland (IrelandintroducedC)
Bibliography
A.Guinochet, M. & Vilmorin, R. de 1975: Flore de France 2
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
C.Webb, D. A., Parnell, J. & Doogue, D. 1996: An Irish Flora. – Dundalk