Plants are important components of native landscape should be handled in accordance with their features, enabling them to be recognized, defined and utilized in natural and cultural environments. Road corridors are the best places to observe changes related to succession and fragmentation in native vegetation in the mountainside. In the present study, carried out in the road corridors in the mountainside within the boundaries of Trabzon province in Turkey. It was aimed to define the vegetation visually and ecologically based on the native landscape features. While native plant compositions were ecologically defined, they were approached as an ecological corridor.