Flora of Yaylacık research forest (Mengen)

Yaylacik Research Forest is situated in Bolu province. In this study 587 plant specimens were collected. The flora of this forest composed of 65 families, 207 genera and 300 taxa which are specific and inf raspeci f ic rank. 13 species are endemic (4.29 %). 20 species are new records for A4 grid square. Phytogeographical elements of the area are as follows: Irano-Turanian 5 (1.65 %), Euro - Siberian 110 (36.30 %) - 34 (11.22 %) of them belong to Euxine -, Mediterranean 22 (7.26 %), undetermined or cosmopolitans are 166 (54.79 %). Science code: 401. 03. 04 Key words: Flora, Yaylacik Research Forest, Turkey, Phytogeography Page number: 103 Adviser: Doç. Dr. Mecit VURAL III