University of Isfahan Taxonomy and Biosystematics 3115-9001 10 37 2018 12 22 Wetlands Flora of Hamedan Province (Iran) فلور ماندابی استان همدان (ایران) 23 46 24481 10.22108/tbj.2019.116083.1085 EN Keivan SafiKhani Assistant Professor, Forest and Rangeland Research Department, Hamedan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Hamedan, Iran Adel Jalili Professor, Research Instutute of Forests and Rangeland, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran Ziba Jamzad Professor, Research Instutute of Forests and Rangeland, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran Journal Article 2019 03 16 <strong>Abstract</strong> <br />Wetland plants are often the most conspicuous component of wetland ecosystems. They are grouped into hydrophytes, helophytes, and hygrophytes. In this research, the wetlands flora of Hamedan province, including natural and artificial wetlands, permanent and seasonal rivers and streams and wet mountain meadows, were studied. The results of this study showed that the flora of the wetlands of Hamedan province consisted of 45 families, 111 genera and 163 species. And, 13 families of these plants belonged to monocots, 31 families to dicots and 1 family to the pteridophyta. Families of Asteraceae with 15 genera and 20 species; Poaceae with 19 genera and 23 species, Cyperaceae with 8 genera and 19 species were the largest families of wetlands in Hamadan province. In terms of their life forms, the wetland plants of Hamedan province consisted of 8 species of hydrophytes, 51 species helophyte, 35 species of geophytes, 50 species of hemicryptophytes, 14 species of therophytes, <br /> 4 species of phanerophytes, and 1 species of chamaephytes. The chorology of species showed that 29 species of the wetland plants of Hamedan Province belonged to the European-Siberian elements, 38 species to the Iranotouranin elements, 1 species to the Mediterranean elements, 24 species to European-Siberian-Iranotouranin elements, 2 species to Euro-Siberian-Mediterranean elements, <br /> 3 species to the Mediterranean-Iranotouranin elements, 46 species to more than two elements, and 20 species to cosmopolitan. https://tbj.ui.ac.ir/article_24481_3746b031b4b07a6a60fa98e07b30cb46.pdf