-

Myankaleh wildlife refuge is one of the nine biosphere reserves in Man and the Biosphere Program (MaB). Special characteristics of the area make it a suitable habitat for terrestrial and aquatic plants and animals as well as migratory birds. The purpose of this study was to determine floristic composition and their chorology carrying a central importance in vegetation description and analysis. Therefore, about 70 quadrats (100 m2) were located according to the nature of vegetation. The species and their abundance-dominance were recorded. 242 plant species, belonging to 48 families, were identified from which seven were endemic. Chorological characteristics of the plant species showed that most of them were of Euro-Siberian, Mediterranean, Irano-Turanian chorotype (Euro-Sib.-Medit.-Ir.-Tur.). The dominant life form was Therophyte.