Investigation of ferns in Taiyangshan area

Recently,tourism of Taiyangshan develops rapidly which brings great disturbance,interference and destruction to ferns in this area.In order to reasonable utilize and protect ferns resources,the fern plants in Taiyangshan were studied about their species,distribution,habitats and utilization values.The results showed that the existing fern plants included 17 families,20 generas and 32 species.The dominant family is Dryopteridaceae which included 3 generas and 9 species.The dominant generas was Dryopteris included 6 species and Pteris included 4 species,respectively.The fern plants had great diversity in habitats.The vast majority of them,including 17 species which accounted for 53.1% of all species,likely lived under forests and forest margins.The dominant ecological model was land,including 25 species which accounted for 78.1% of all species.Medicinal pteridophyta resources in Taiyangshan were rich which included 23 species and accounted for 71.9% of all species.