The annotated list of mosses from Chiltald and Ionn-Njugoayv Mountains includes 173 and 113 species accordingly. Some rare mosses (Tetrodontium repandum (Funck.) Schwaegr., Andreaea blyttii Schimp., A. nivalis Hook., Diphyscium foliosum (Hedw.) Mohr), Kiaeria falcata (Hedw.) Hag. were found in Chiltald Mountains.