Euro+Mednot endemic: Great BritainnaturalisedA,B; Ireland, with N IrelandnaturalisedB (IrelandnaturalisedC, Northern IrelandnaturalisedA,C); NorwaycasualD
Bibliography
A.Murrell, G. 2009: Flora of Great Britain and Ireland 3. – Cambridge
B.Stace, C. 2010: New Flora of the British Isles, ed. 3
C.Reynolds, S. C. P. 2002: A catalogue of alien plants in Ireland. – Glasnevin