Fuente García, Vicenta de la, and Emma Ortúñez Rubio. 1993. “Festuca Marginata Suhsp. Andresnzolinae a New Subspeeies in the Iberian Península”. Botanica Complutensis 18 (January): 105. https://revistas.ucm.es/index.php/BOCM/article/view/BOCM9393110105A.