In this study, the phytosociological structure and ecological features of the Pinus pinea forests in the Fýstýklý village of Yalova province in the north-west region of Turkey was investigated. From the phytogeographical point of view, it is situated in the Europe-Siberian floristic region. The vegetation of the study area was analyzed according to the Braun-Blanquet approach, and the plant associations were classified by considering the characteristic species. In this study, we will describe one plant association belonging to the
forest vegetation types. Association and its higher units are as follows:
Class: Quercetea ilicis Br.-Bl. 1947
Order: Quercetalia ilicis Br.-Bl. 1947
Alliance: Quercion ilicis Br.-Bl.(1931) 1936
Association: Lavandulo cariensis-Pinetum pineae ass. nova
Keywords: Ecology, forest vegetation, phytosociology, Pinus pinea, Yalova.

Ecology, forest vegetation, phytosociology, Pinus pinea, Yalova.