Flora of Of-İkizdere-Anzer valley

Flora of Of-îkizdere-Anzer Valley The area under review is found in the East Black Sea region and this area is taken place in the Colchis province of the Euro-Siberian area of the Holarctic region. In this study, plant taxa of îyidere Stream valley have been determined and economical plants have been indicated. 368 plant taxa were determined in the study area. Ferns and Gymnospermae were listed sistematically according to Engler and Davis, Angiospermae have been ordered botanical ly ac cording to Cronquist's method. Some of these taxa known their plant-geography region could be ordered as follow: Flora region Percentage Euro. -Siberian 20.3 % Irano. -Turanian 0.5% Euxine 14.1% Hyrcano-Euxine 3.1 % Mediterranean 1.8% Cosmopolitan 1.5 % 12 taxa of the 368 taxa are endemic and their percent age is about 3.1 %. A new variety of Rhododendron ponticum L. subsp. pon- ticum (var. heterophyllum Anşin) is widely distributed in the study area Key Words : Flora, Euro-Siberian, Euxine and Colchis -VII-