A study on the ferns flora in Gutianshan Nature Reservation in Zhejiang Province.
浙江省古田山自然保护区蕨类植物区系的研究

The pteridophytic flora of the Gutianshan Nature Reservation of Zhejiang Province are composed of 158 species and 8 varieties, 65 genera, 34 families. The representative families are Dryopteridaceae (36/4,numbers of species rato to numbers of genera),Polypodiaceae(22/8),Thelypteridaceae(16/8), Athyriaceae(14/4) and Aspleniaceae(11/1) .The main genera are Dryopteris, Asplenium,Selaginella,Arachniodes,Lepisorus and Coniogramme. The top families' distribution types are cosmopolitan and pantropic ones; the main genera's are pantropical ones, while the species distribution type is belong to the east Asia one and represented to the feature of subtropics transition to warm temperated area type. In the 8 reservations, the genetic ralationship of Gutianshan Nature Reservation's ferns are intimate to Jiulongshan Reservation's .The abundance of Gutianshan's ferns is higher than those of Huangshan and Tianmoshan which have higher latitude, but it is lower than the other nature reservations'. There are 29 species endemic to China in Gutianshan Nature Reservation.