A Study of Floristics, Life Form and Chorology of Plants in North Iran oak Forests (Case Study: oak Forests Ramsar)

The study of pure and mixed stands of canary oak and persian oak was conducted in the second series of Lymakdh in Ramsar. sample collection and study of the ecological factors; the seasons, spring, summer and autumn of the years 2009 and 2010 was conducted and the scientific name of the species, life forms and chorology were recorded using the available resources. 186 species have been identified of 6 Pteridophytes families, 2 families from gymnosperms and 52 families of angiosperms (8 families from a Dicotyledone and 44 families of monocotyledon). The maximum number of species was related to the families of Asteraceae, Papilionaceae, Lamiaceae, Orchidaceae and Poaceae. Raunkiaer’s classification shows that there are Hemicryptophytes 49%, Cryptophytes, 20%, Phanerophytes 19%, and 8% Therophytes, 3% Chamaephytes and 1% Epiphytic species in the region. Chorology study of the area showed the highest value in Europe-Siberia zone (the Caspian), with 41% coverage. The study of the list of endangered species showed, One endangered species, 5 Vulnerable species and 20 species in the region with lower risk. Lilium ledebourii Boiss as a rare species with a relatively wide distribution in different parts of the region was reported for the first time in the oak forest in the north of the country.