Euro+Medendemic: AlgerianativeA,B; Italy, with San Marino and Vatican CitynativeB; MorocconativeA,B,C; PortugalnativeB,C,D; Spain, with Gibraltar and AndorranativeB (SpainnativeC,E,F,G,H)
Bibliography
A.Chatelain, C. 2013: Index synonymique Flore d'Afrique du Nord 5
B.Greuter, W., Burdet, H. M. & Long, G. 1984: Med-Checklist 1. – Genève & Berlin
C.Lansdown, R. 2008: Water Starworts: Callitriche of Europe. – BSBI
D.Franco & J. do Amaral 1984: Nova flora de Portugal (continente e Açores) 2. – Lisboa
E.Blanca López, G. & al. 2011: Flora vascular de Andalucia Oriental, ed. 2
F.Talavera, S. & al. 2010: Flora Iberica 7
G.Valdés, B. & al. 1987: Flora vascular de Andalucia Occidental 1
H.Valdés, B. 1987: Flora Vascular de Andalucía Occidental 2