Preliminary Study on Cephaloziella (Cephaloziellaceae, Marchantiophyta) in Guizhou

On the basis of the literature and specimens, we conducted a systematic study on the distribution of Cephaloziella in Guizhou. Eight species and one variety of Cephaloziella were confirmed to occur in Guizhou Province, China. Among them, Cephaloziella spinicaulis is a new addition to the province, which is described and illustrated in detail in this article. A key to all species of this genus in Guizhou and its distribution are provided.