مطالعه فلور و پوشش گياهي شهرستان فردوس

Flora and vegetation studies in Ferdows area, S. Khorasan province (Iran)

The main purpose of this investigation was to determine and recognize the plant structure and also flora study of Ferdows area in Southern Khorasan. The results showed that there are 164 species belonging to 114 genus and 31 families. The families of Asteraceae (Compositae) with 18 genus and 29 species, Poaceae (Graminae) with 15 genus and 16 species and families and Labiateae with 8 genus and 14 species are the most important elements of plant structure of the area. Based on Raunkier method, therophytes and hemicryptophytes were among the most important life forms comparing with the other ones. The most common Chorotypes was mostly Irano-Turanian type. In relation with endemism, only three species are endemic to area. Based on physiognomic method 11 plant communities were observed.