福建省梁野山自然保护区的蕨类植物区系

The Fern Flora of Liangyeshan Nature Reserve in Fujian Province

野外调查和资料整理分析结果表明,梁野山自然保护区共有蕨类植物40科、79属、147种,物种多样性丰富,区系起源古老.优势科为水龙骨科、鳞毛蕨科、金星蕨科和凤尾蕨科,优势属为凤尾蕨属、卷柏属、鳞毛蕨属、瘤足蕨属、铁角蕨属和复叶耳蕨属,科、属组成优势现象明显;分布区类型在科、属水平上以泛热带分布和世界分布为主,而种的地理成分则以热带亚洲分布、东亚分布和中国特有分布为主,表现出明显的热带亲缘,具有由热带向温带过渡的特点.

Field investigations and data references indicate that there are totally 147 species （including 2 varieties）, 79 genera and 40 families of pteridophytes in Liangyeshan nature reserve. Its diversity of species is rich, and the flora is ancient in origin. The dominant families are polypodiaceae, dryopteridaceae, thelypteridaceae and pteridaceae. The dominant genera are pteris, selaginella, dryopteris, plagiogyria, asplenium and arachniodes. The distribution types of families and genera are pantropic and cosmopolitan. However, the distri- bution type of species belongs to the tropical Asia, the East Asia and the endemic to China. It shows obvious tropical affinity. The flora has the characteristics of transition from the tropical to temperate zone.