The flora of Serçeme Valley (Azi̇zi̇ye, Erzurum)

SUMMARY THE FLORA OF SERÇEME STREAM AND ITS CLOSE ENVIRONS This study has been done 35km from the center of Erzurum called Serçeme Stream; done on the purpose of determining flora. According to the Davis grid system the research area takes part in the A8 square; Holarctic region set in Iran- Turan Flora. The research area is between 1780-3060 m elevation. In this research 67 family, 322 concerning genus in total 618 taxa is appointed. In the research ın order of consisting the most 3 familyes is Asteraceae (76 taxa), Fabaceae (58 taxa), Brassicaceae (54 taxa). The 310 taxon which was detected in the research area; phytogeographical areas were appointed. According to the phytogeographical areas the divisions is like this: Iran-Turan 189 custom (species), Europe-Siberia 110 custom. The mediterranean sea 11 custom and the unknown geographic area, deplayed in more than one place indicate 308 custom. In the research area 80 custom of rare plants that all of 42 custom of endemic have been defected. The rate of endemism was identified that 6,8. According to the IUCN danger category endemic and unendemic danger state of rare taxons have been utilized. Keywords: Flora, plant diversity, Serçeme stream, Erzurum, endemic