Yaprak, Ahmet EmreÇetiner, Zümranur2021-11-222021-11-222021http://hdl.handle.net/20.500.12575/76208The research area is the villages of Çekirdeksiz, Basri and Üçpınar, which is located within the borders of Polatlı district of Ankara province. As a result of field studies conducted in 2013 and 2014 in the research area, which is under the influence of the semi-arid sub-very cold Mediterranean climate, 920 plant samples were collected. As a result of the evaluation of the samples collected from the study area, 290 taxa belonging to 174 genus were determined from 42 families. 34 of these taxa are endemic and the endemism ratio is 11.72%. The distrubition ratios of the taxa into the phytogeographical regions are as follows: Irano-Turanian elements are 81 (27.9%); Mediterranean 17 (5.86%) and Euro-Siberian 9 (3.10%); Multiregional and others which their regions unclarified are 183 (63.10%).trTaksonlarEndemik bitkilermasterThesis