Rodríguez-Rojo, M. Pilar, Guillermo Crespo, Jaime Madrigal, and Federico Fernández-González. “Contribution to the knowledge of some rare plant communities from the southwestern Iberian System”. Lazaroa, vol. 33, vol. 33, 2012, pp. 27-42, doi: https://doi.org/10.5209/rev_LAZA.2012.v33.40277.