OT Sistematik Botanik Dergisi 16 (2): 129-145.
The plant samples were collected from Boğazköy-Alacahöyük National Park (Çorum) between 2002 and 2003 years. As a result 215 species, 4 subspecies, 2 varieties totally 221 taxa belong to 40 families, 139 genera are determined from this region. The largest families are Asteraceae (14.03 %), Fabaceae (10.41 %) and Lamiaceae (9.95 %) in terms of the number of species and subspecies included. Genera represented by the highest number of species are Silene (3.62 %), Centaurea (3.17 %) and Salvia (2.71 %). The phytogeographical distribution is as follows: 50 Irano-Turanian (22.62 %), 19 Euro-Siberian (2 taxa Euxine) (8.60 %), 18 Mediterranean (6 taxa East Mediterranean) (8.14 %), and 134 (60.63 %) unknown or multi-regional elements. The number of endemic taxa within the study area is 39 (17.65 %). 26 taxa are new records for the A5 square.
Key Words: Flora, National Park, Boğazköy-Alacahöyük, Çorum, Turkey