In this survey flora of protected region of Khangormaz has been studied.Khangormaz region suited in 34km west of Tuiserkan and 25 km east of Asadabad in Hamadan province. The method of plant collection in this region was classical method of regional floristic studies. Collected plants were recognized and determined as families, genera and species by using of indispensable references. Alphabeticall list of taxa in this region was provided on the base of families, genera and species. Collected plants are preserved in Herbarium of Agriculture and Natural Resources Research Center of Hamadan and herbarium of Isfahan University. The life form of plant species was determined by using of Raunkiers method. Endemic species of Iran in the studied region were determined by using of reference books and on the base of IUCN classification and red data book of Iran and conservational class of plant species was determined. This survey showed that in the protected region of Khangormaz there are 45 families, 164 genera and 213 species. Life forms of plants are including: 4% phanerophyte, 13% geophyte, 48% hemicryptophyte, 4% chamephyte and 31% therophyte.The number of endemic species of Iran is 17 species in Khangormaz region.
Key words: Flora, genera, species, life form, endemic species, conservated class, Khangormaz, Hamadan province
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