Abstract
The list of liverworts of the Lower Lena River includes 94 species, 3 varieties and 3 forms from 44 genera and 25 families. Lophozia perssonii was found for the first time in Russian Arctic, 10 species are new to Yukitiya (the Republic Sakha) and 13 species are new to the Arctic Yakutiya. Relatively heigh percent of arctic (16%) and arctic-montane (21%) species is characteristic to the flora of the region.