Penas, A. and Díaz - González, T.E. (1985) “Data on the alliance Corynephoro-Plantaginion radicatae Rivas Goday & Rivas-Martínez 1963 nom. invers. Rivas-Martinez 1975in the Orensano-sanabriense sector”, Acta Botanica Malacitana, 10, pp. 155–166. doi:10.24310/Actabotanicaabmabm.v10i.9597.