Euro+Med: Ireland, with N Irelandnative: doubtfully nativeA (Irelandnative: doubtfully nativeB); Netherlandsnative: doubtfully nativeA,C
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.Webb, D. A., Parnell, J. & Doogue, D. 1996: An Irish Flora. – Dundalk
C.Meijden, R. van der 1990: Heukels' Flora van Nederland, ed. 21. – Groningen