Perez-Carro, F., Fernández-Arece, P., Díaz González, T. and Salvo, A. (1985) “Contribution to the knowledge of the genus Cheilanthes in the Iberian Peninsula”, Acta Botanica Malacitana, 10, pp. 27–32. doi: 10.24310/Actabotanicaabmabm.v10i.9587.