Polytrichaceae of Guizhou China Ⅰ A revision of Pogonatum in Guizhou;

Polytrichaceae of Guizhou China Ⅱ A study of distribution and flora;

c The relationships of 13 species of Polytrichaceae in 30 sites in main ecosystems in Changbai Mountains with environmental factors were studies by canonical correspondence analysis (CCA).

Present status of systematics on the Polytrichales;

In order to study the elemental composition and distribution of various mosses and different parts of Antarctica, we have analyzed the heavy elements of 3 species of Polytrichum by synchrotron radiation X ray fluorescence in Fildes Peninsula.

Study on Chemical Constituents of Polytrchum Commune;