Herrero Nieto, Alberto, and Carmen Prada Moral. “New Records for Three Asplenium Hybrids (Aspleniaceae, Pteridophyta) in the Iberian Peninsula”. Acta Botanica Malacitana 22 (December 1, 1997): 19–27. Accessed December 12, 2025. https://www.revistas.uma.es/index.php/abm/article/view/8602.