对鄂西神农架蕨类植物进行的专题研究的结果表明：本区蕨类植物垂直分布 带谱明显，与云南玉龙山相似；生态类型较多；种类丰富，起源较古老，但次 生成分突出；地理成分复杂，相互交错，但以亚热带成分为主，温带成分也有不容忽视的比重，还有一定数量的热带成分参与其中，这表明成分具有多样性 并具有热带亲缘性；鳞毛蕨科、水龙骨科。蹄盖蕨科属种优势明显，三科种类 占其总种数的高比例为本地区蕨类植物区系的一个重要特征；为联系中国一 喜马拉雅和中国一日本区系的桥梁及南部热带、亚热带与北部温带的过渡地 带，是多种区系成分的集中地和扩散中心或亚中心 The results of a special study on ferns in Shennongjia of western Hubei Province show that the vertical distribution of ferns is similar to that of Yulong Mountain in Yunnan Province, with more ecological types, abundant species, more ancient origin and prominent secondary components. The geographical components are complex and intertwined, but mainly subtropical components, temperate components also can not be ignored, as well as a certain number of tropical components involved, indicating that the composition is diverse and has tropical affinity; orthopedics. There are obvious advantages of the fern families of the genus Leucocephala, and the high proportion of the three species in their total species is an important feature of the fern flora in this region. In order to link the bridge between the Himalayas of China to a Japanese fauna in China and the southern tropical, The subtropical and northern temperate transitional zone is the center of concentration and proliferation centers or sub-centers of various fauna