Bryophytes in Tangdan Copper Mine Site in Yunnan Province
云南汤丹铜矿区苔藓植物初步调查（英文）

Bryophyte species were investigated in Tangdan Copper Mine site in Dongchuan District of Kunming City,Yunnan Province.Twenty-two species belonging to 16 genera(Barbula,Gymnostomum,Didymodon,etc.) of 6 families(Pottiaceae,Bryaceae,Brachytheciaceae,Thuidiaceae,Ditrichaceae and Entodontaceae) were found,59% of which was Pottiaceae as a dominant family.Sixty-eight percent of the species lived on cupreous rocks covered with patina,while 32% grew on cupreous soil.The species were divided into short turf(68%),high turf(14%) and weft(18%).There were 7 areal types(Eastern Asia and North America,Endemic to China,Tropical Asia and Tropical Africa,Eastern Asia,Cosmopolitan,Tropical Asia,North Temperate),among which Eastern Asia was dominant.The classical "Copper Mosses" were absent.