The saxicolous lichens diversity in Tumur Peak National Natural Reserve,Xinjiang

In this paper we analyzed the lichens species composition and its floristic characteristics of Tumur peak National Natural Reserve in Xinjiang according to the on the spot investigation and literature. The result shows that there are 58 species identified,and they belong to the 6 orders,18 families and 35 genera. Acarospora Massal. and Aspicilia Massal. have more than six species,occuping about 10. 34% and 15. 52% of total species respectively. Lecanoralis is the dominant order in this area,the number of families,genera and species occupy72. 22%,74. 28% and 74. 14% respectively. There are following seven types of lichen flora were identified according to the lichens species adaptation characteristics and selection of environment. They were Circumpolar element,Cosmopolitan element,Endemic to China,Euro Asia north America element,Middle Asia element,Middle and West Asia element,and Wide ranging element. Among them,the species of Circumpolar element,Euro- Asia elements and Endemic to China occupied 62. 07% of the total number of lichen species in the region.