Аннотация:New data on the bryophyte flora of Putorana Plateau obtained in 2015th and 2016th are briefly summarized. Before these studies, 70 liverwort species and 262 moss species were known for the territory, where the boundary between cryoxeric Beringia and relatively more humid areas is situated. With its rather humid mesoclimate and higher diversity of ecotopes, the bryophyte flora of Glubokoe lake surroundings comprises 405 species with numerous new findings of montane, calciphilous and boreal species for the area, though some species which are common eastward do not occur there. They appear in eastern extremity of Lama Lake together with suite of xeric species, which mark Beringia. Thus, we propose that this boundary of the first value is rather sharp and divides two studied areas situated in ca. 50 km one from another.