Flora, Life Form and Chorotypes of Plants in River Forest Behbahan, Iran

Flora in each region identified an important role in maintaining national reserves of each country to play. Iran is one of the most important centers of plant diversity into account old world comes closer to 22 percent of its 8000 plant species are exclusively. Behbahan area is located in southeastern province. Plant geography of the area within the region is Sudan eruption. In this study 82 plant species collected from the area were identified and collected to 70 genera and 26 belong to the family. Families by Compsitae with 14 species, Caryophyllaceae with 6 species, Gramineae with 13 species, Papilionanceae with 81 species and the most important plant families that total 62.2 percent of all species are included. Investigation of life forms species shows that Therophytes are the most important. Chorological study showed that species belonging to the regions of Irano- Turanian and Common areas of Irano-Turanian and Mediterranean eruption were most important ecological groups in the region and other chorotypes are placed far from the next in importance.