摘要
对采自贵州金沙冷水河自然保护区的300余号蕨类植物标本进行整理、鉴定。结果表明:该保护区共有蕨类植物22科48属105种(含种下分类单位);其中,优势科有鳞毛蕨科Dryopteridaceae、水龙骨科Polypodiaceae、卷柏科Selaginellaceae和凤尾蕨科Pteridaceae,优势属为卷柏属Selaginella、凤尾蕨属Pteris、铁角蕨属Asplenium和耳蕨属Polystichum;经区系成分分析,认为该保护区的蕨类植物种类具以温带地理成分占优势的温带性质,属东亚区系。
More than 300 pteridophytes specimens were collected from Lengshuihe nature reserve of Jinsha county, Guizhou province. From the speciemens, indentified 105 species(containing the taxa below the species) belonged to 48 genera in 22 families. The dominant families were Dryopteridaceae, Polypodiceae, Selaginellaceae and Pteridaceae, and the main genera were Selaginella, Pteris, Asplenium and Polytichum. Floristically the pteridophyte in Nature Reserve is mainly belonged to the temperate elements and is a part of East-Asiaflora.
基金
贵州省科技厅社发攻关项目"贵州珍稀濒危野生蕨类的濒危机制及保育对策"(黔科合SY(2013)3156)
毕节学院地理与生命科学学院2014年度大学生科研基金项目资助