Abstract:During the study of the bryoflora of Kanas Natural Reserve,4 mosses including Paraleucobryum enerve (Thed.) Loesk.,Racomitrium ericoides (Hedw.) Brid.,Ulota curvifolia (Wahl.) Lilj.and Vesicularia flaccida (Sull.et Lesq.) Iwats. are newly recorded in Xinjiang,and among them the last two species are also found in China for the first time.Their morphological characters are discussed in this paper.