温州蕨类植物多样性与地理分布

在文献和标本查阅、标本采集和鉴定基础上，对浙江省温州市现知的44科93属277种蕨类植物种类组成和区系特征进行了分析:温州蕨类植物种类较为丰富，含种数较多的科是鳞毛蕨科Dryopteridaceae（5属50种），金星蕨科Thelypteridaceae（10属36种），蹄盖蕨科Athyriaceae（9属31种），水龙骨科Polypodiaceae（10属30种）和铁角蕨科Aspleniaceae（1属15种）；含种数较多的属是鳞毛蕨属DryoPteris（26种），铁角蕨属Asplenium（15种），凤尾蕨属Pteris（14种），卷柏属Selaginella（13种）和复叶耳蕨属Arachniodes（11种）。区系成分起源古老，不乏古老的科、属和残遗种；且区系成分较为复杂，来源于多种地理成分，其中热带、亚热带性质较为明显。

Diversity and geographical distribution of Pteridophytes in Wenzhou

Based on the review of literature and samples, and collection and identification of samples, this paper analyzed 277 species (belonging to 93 genera, 44 families) of the Pteridophyte flora in Wenzhou, Zhejiang Province. There are rich species of Pteridophyte flora in Wenzhou. The dominant families are Dryopteridaceae (5 genera and 50 species), Thelypteridaceae (10 genera and 36 species), Athyriaceae (9 genera and 31 species), Polypodiaceae (10 genera and 30 species) and Aspleniaceae (1 genera and 15 species). The dominant genera are DryoPteris(26 species), Asplenium(15 species), Pteris(14 species), Selaginella (13 species) and Arachniodes (11 species). The flora origin traces back to the ancient time, including quite a few ancient families, genera and relic species. The flora elements are complicated and contain various geographical features, the tropical and subtropical features being comparatively distinctive.