Cantó, Paloma and Rivas-Martínez, Salvador. 2002. Cytisus oromediterraneus y Cytisus balansae (Cytiseae, Leguminosae) dos especies europeas. Lazaroa 23, 003–006. Retrieved December 6, 2025 from https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0202110003A