del Arco Aguilar, Marcelino. “14. About Aeonio-Euphorbion canariensis Sundíng 1972, correct alliance name against Kleinio-Euphorbion canariense Rivas Goday & Esteve 1965”. Lazaroa, vol. 14, vol. 14, 2014, p. 168, https://revistas.ucm.es/index.php/LAZA/article/view/44591.