The flora of the region among the towns of Ayaş, Güdül, Beypazarı and Polatlı

The study was carried out in 1989 and 1990. The study area is situated in the west of Ankara. It's restricted by Ayaş in the east, Güdül in the north, Beypazarı in the north-west and Polatlı in the South. The study area is covered by the steppe vegetation, the vast part of which is formed by thyme species. In the course of study, 313 taxa have been recorded. These are belongto 41 families and 174 genera. In account of the number of species, the richest families and the distribution rates of the species into the floristic region are explained in Chapter 4