Euro+Med: AlgerianativeA; Canary islandsnativeA; CorsicanativeB,C; EgyptnativeA; France, with Channel is. and Monaco (FrancenativeC); LibyanativeA; Madeira archipelagonativeA; MorocconativeA; TunisianativeA
Bibliography
A.Dobignard, A. & Chatelain, C. 2011: Index synonymique de la flore d’Afrique du Nord 2. Dicotyledoneae: Acanthaceae - Asteraceae. – Genève
B.Jeanmonod, D. & Gamisans, J. 2013: Flora corsica, ed. 2. – Saujon: Société Botanique du Centre-Ouest
C.Tison, J.-M. & de Foucault, B. 2014: Flora Gallica. – Mèze: Biotope