This study has been carried out to nıake a contribution to the Hora of C erattepe area betweem 1997-2000. The area under review, 545 plamt taxa belonging to 84 families and 334 genera w ere identified. O f the 545 taxa, 26 Pteridophytes and 519 Spermatophytes w ere detected. Sperm atophytes also contained 8 Gymııospermae and 511 Aııgiospermae taxa. The largest six families are Compositcıe (10.28% ), Leguıninosae (10.09% ), Rosaceae (7.52% ), Labiatae (5.50% ), Cruciferae (4.59% ), and Grcıminecıe (4.40% ). The largest genus is Trifoliıım L. (14 taxa) and the second is Astragalus L. (9 taxa). Endem ism is 5.5% and included 30 endemic taxa. T hreatened categories w ere proposed for 44 taxa according to IU CN categories.