Euro+Mednot endemicA: AlgeriacultivatedB; France, with Channel is. and MonaconaturalisedA,C; Great BritainnaturalisedA,D; LibyacultivatedB; MoroccocultivatedB; TunisiacultivatedB
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.Maire, R. C. J. E. 1952: Flore de l'Afrique du Nord (Maroc, Algérie, Tunisie, Tripolitaine, Cyrénaique et Sahara) 1
C.Guinochet, M. & Vilmorin, R. de 1978: Flore de France 3. – Paris
D.Preston, C. D. & Croft, J. M. 1997: Aquatic plants in Britain and Ireland