 "P. terebinthus" is more abundant in the mountains and inland in the Iberian Peninsula, and mastic is usually found more frequently in areas where the Mediterranean influence of the sea prevents or moderates frost.There are species with very small ranges that cover only one or a group of islands in the Mediterranean.On the east coast of the Mediterranean, Syria, Lebanon, and Israel, "Pistacia palaestina" fills the same ecological niche of these species.