黔西南地区苔藓植物区系研究

对黔西南地区苔藓植物物种组成及区系进行了研究。结果表明:该区苔藓植物资源非常丰富,共63科176属464种(含亚种、变种),包括3个贵州新记录种;区系成分复杂,分布交错,可划为13种类型,其中以热带亚洲成分和东亚成分为主,分别占总区系的20.91%、20.69%;中国特有及北温带成分也占一定的比例,分别为13.58%、19.18%,表明该地区是从热带向温带过渡的地带。

Study on the Bryoflora of Southwestern Guizhou Province

The bryophyte diversity of Southwestern Guizhou were studied with floristic analysis in the present work. The results show that the region is very rich in bryophyte resources. There are 464 species, including subspecies and variations,belonging to 176 genera in 63 families recognized, of which 3 are newly recorded from the region. The species can be grouped into 13 types of floristic elements, of them the tropical Asian and Eastern Asian types are principal ones, accounting to 20.91% and 20.69% of the total respectively. The en- demic species to China and elements of North Temperate Zone account for 13.58% and 19.18% separately, which indicates that the region is located in the transition between the tropical and the temperate zone.