Among seven rare for Russia
species (Bucegia romanica, Haplomitrium hookeri, Lophozia decolorans, L.
perssonii, Scapania kaurinii, S. rufidula, S. sphaerifera) three species (Haplomitrium
hookeri, Scapania kaurinii, S.rufidula) are recorded for the first time for
Yakutia. Data on ecological behavior and
reproduction are listed for all species. Diagnostic characters of the most
considered species are discussed and illustrated. The specific features of the
Yakutian plants are emphasized. Description of Haplomitrium hookeri and
new data on distribution of Scapania sphaerifera in Yakutia are
provided.