Resumen de Contribution of the palaeoecological knowledge of Quaternary in the Tietar Valley (Sierra de Gredos, Ávila, Spain)

José Antonio López Sáez, Pilar López García

• Three species of woody and vascular flora of the Tietar Valley (Ávila) are studied, on the basis of their ecological and landscape importance during the Quaternary. The existence of refuge areas this flora is shown.