The Mushrooms of the Bayubas Pine Forests Food and drink · Bayubas de Abajo, Berlanga, Soria Image of Bayubas de Abajo, not of the place itself. The maritime pine sands of the municipal district give saffron milk caps and king oyster mushrooms in autumn, a harvest that in recent decades has been regulated with permits and has added income to the villages. Photo: Tintin Collection (CC BY-SA 3.0) What to see and do in Bayubas de Abajo