Bakalin, V., S.S. Choi & A. Ermolenko. Lejeunea alaskana (R.M. Schust. & Steere) Inoue
& Steere, a new species for the Russian liverwort flora
Arctoa (2012) 21:
193-196
Lejeunea alaskana (R.M. Schust. & Steere) Inoue
& Steere is found for the first time in Russia. The record is quite
expectable taking into account the species distribution in Alaska. In Russia
the species grows on calcareous substrates in mountain tundra belt. The areas
in North-East Asia where the species occurs were probably not totally glaciated
in Pleisocene (Magadan Province, Kolyma Uplands). The species description and
illustrations are given, along with the key to the Lejeunea species in
the Russian Far East as well as some phytogeographical speculations are
provided.