小秦岭自然保护区苔藓植物区系分析

小秦岭自然保护区共计有苔藓植物53科128属281种10变种2变型。其中苔类植物19科22属37种2变种l变型；藓类植物34科106属244种8变种l变型．其区系的基本特征是：地理成分多样，区系联系广泛；以温带性质为主，但有较明显的热带残遗性和亲缘性；隶属于华北植物区系，但兼有多种区系成分，体现了本区苔藓植物区系南北过渡，东西交汇的特征。

A preliminary study of the bryoflora of Xiaoqinling Nature Reserve in Henan Province

There are 281 species of bryophyta,10 varieties and 2 forms belonging to 128 genera and 53 families,among which there are 37 species of liverworts,2 varieties and 1 form belonging to 22 genera and 19 families,244 species,8 varieties and 1 form of true mosses belonging to 106 genera and 34 families.The results show that:the geographical elements are varied and widely connected with other geographic elements of the world flora;the temperate elements play dominant role,but there are also some tropic-relative;the flora of Xiaoqinling Nature Reserve has the closest relation with North China,and has much in common with that of other area,and shows the transition characteristic from north to south and from east to west.