河南小秦岭自然保护区蕨类植物区系研究

Pteridophyte Flora in Xiaoqinling Mountain Nature Reserve of Henan Province

小秦岭自然保护区共计有蕨类植物23科46属107种.其区系基本特征是:地理成分多样,区系联系广泛并具有一定的古老性;以温带性质为主,但有较明显的热带残遗性和亲缘性;特有现象明显,是东亚成分分布中心的一部分;隶属于华北区系,兼有强烈的西北和西南区系特色.

There are 23 families,46 genera and 107 species of pteridophytes in Xiaoqinling Mountain Nature Reserve. Their floral characteristics are：they have diverse geographical elements, wide ranges of floral relations and ancient origins to some extent;they are dominated by temperate elements but maintain remarkable tropical vestige and blood; they, because of their remarkable specificities,are part of East-Asian elements;they belong to north China flora and have much in common with northwest China and southwest China florae.