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当前位置: 首页 > 文章 > 浙江松阳蕨类植物区系研究 西北林学院学报 2006,21 (6) 38-42
Position: Home > Articles > Studies on the Ferns Flora of Songyang Region in Zhejiang Province Journal of Northwest Forestry University 2006,21 (6) 38-42

浙江松阳蕨类植物区系研究

作  者：
张建新
单  位：
丽水职业技术学院园林系
关键词：
蕨类植物;植物区系;统计分析;松阳;浙江
摘  要：
在野外调查和整理资料的基础上,分析了松阳蕨类植物区系的组成和分布区类型,并与邻近地区山地蕨类植物区系进行了比较分析。结果表明,松阳蕨类植物共有38科72属161种7变种;优势科为鳞毛蕨科、蹄盖蕨科、水龙骨科、金星蕨科、卷柏科、铁角蕨科,优势属为鳞毛蕨属、卷柏属、铁角蕨属、复叶耳蕨属、凤尾蕨属、短肠蕨属、瘤足蕨属;科的分布以世界分布和泛热带分布为主,属的分布以泛热带分布为最多,种以东亚分布类型为主,特别是中国—日本分布类型最多,表现出亚热带向暖温带过渡的特点;本区与邻近地区蕨类植物区系关系的密切程度由大到小依次为西南、华南、华中、日本、华北、西北、东北;与邻近的6个山地蕨类植物区系的亲缘关系密切,可以划为同一自然区;与国内11山地蕨类植物区系相比,松阳的蕨类植物丰富程度不高;松阳拥有37种中国特有蕨类植物及一些珍稀蕨类植物,有较高的保护价值。
译  名：
Studies on the Ferns Flora of Songyang Region in Zhejiang Province
作  者：
ZHANG Jian-xin(Department of Gardening,Lishui Professional Technological College,Lishui,Zhejiang 323000,China)
关键词：
pteridophyte;ferns flora;statistical analysis;Songyang;Zhejiang
摘  要：
On the basis of wild investigation and data analysis,the composition and distribution types of pteridophytic flora in Songyang,Zhejiang are analyzed and a comparison is made between adjacent regions and upland pteridophytic flora,which shows that the pteridophytic flora in Songyang,Zhejiang is composed of 161 species and 7 varieties,72 genera and 38 families.The representative families are Dryopteridaceae,Athyriaceae,Polypodiaceae,Thelypteridaceae,Selaginellaceae and Aspleniaceae.The main genera are Dryopteris,Selaginella,Asplenium,Arachniodes,Pteris,Allantodia and Plagiogyria.The top families' distribution types are cosmopolitan and pantropic ones,the main genera are pantropical ones,while species distribution type belong to the east Asia type and represents the feature of subtropics transition to warm temperated area-type.As for the order of closeness,the sequence of pteridophytes floristic relations between Songyang and the adjacent regions goes as Southwest China,South China,Central China,Japan,North China,Northwest China and Northeast China.The six upland pteridophytes next to Songyang can be put into the same natural flora because of its closest relationship.But compared with other 11 upland fern flora in China,fern in Songyang is not rich enough.There are 37 species endemic to China in Songyang.

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