Velayos Rodríguez, M., Cirujano, S. and García Murillo, P. (1993) “Rielletea helicophyllae a new phytosoc¡ological class of aquatie plants”., Botanica Complutensis, 18, p. 203. Available at: https://revistas.ucm.es/index.php/BOCM/article/view/BOCM9393110203A (Accessed: 19 July 2026).