Rivas-Martínez, Salvador and Federico Fernández-González. “7. On the priority of "Genistion purgantis" Tüxen in Tüxen & Oberdorfer 1958 and ‘Senecioni-Genistetum purgantis’ Tüxen & Oberdorfer 1958”. Lazaroa, vol. 12, vol. 12, 2014, p. 380, https://revistas.ucm.es/index.php/LAZA/article/view/44590.