Abstract
Lavna-Tundra Mountains (the highest altitude is 639 m) are situated in the west part of Murmansk Province. Annotated list of Lavna-Tundra mosses is given for the first time. It includes 189 species from 82 genera and 29 families. Species included in Red Data Book of Murmansk Province are marked by asterisk (*). One of them, Meesia longiseta Hedw. is included also in Red Data Book of European Bryophytes.