湖北省苔藓植物资源研究——Ⅳ浠水三角山地区苔藓植物区系研究

Studies on the Bryophyta Plants Resources in Hubei Province--Ⅳ The Bryophytes Flora of Triangle Hill in Xishui County

通过对湖北浠水三角山300余份标本的初步鉴定,三角山共有苔藓植物137种(含2变种和1亚种),隶属于34科82属,其区系成分以东亚、北温带和世界广布成分为主,分别占该地区总种数的25.6%、24.8%和18.2%。分析了该地区苔藓植物的区系特征,并阐述了三角山与国内其它6个山体苔藓植物的亲缘关系。

More than 300 specimens of bryophytes collected from Triangle Hill in Xishui County,Hubei Province,China.The preliminary study shows that there are 137 species (including 1 subspecies and 2 varieties)in the area,belonging to 34 families and 82 genera.Concerning the elements of the bryoflora,East asian elements(25.6%),north temperate elements(24.8%) cosmopolitan elements(18.2%)are abundant there.The areticle presents the characteristics of the bryoflora and shows the relationship between Triangle Hill and other mountain regions with the index of genus similarity.