Fedosov V.E.1,2, Ignatova E.A.1, Bakalin V.A.2, Shkurko A.V.3, Varlygina T.I.1, Koltysheva D.E.3, Kopylova N.A.1 2020. Bryophytes of Dickson area, Western Taimyr – a model bryophyte flora for Asian arctic tundra  // Arctoa. Vol. 29: 201–215 [in English].

1 – Lomonosov’ Moscow State University, Biological Faculty, Leninskie Gory Street, 1-12, Moscow, 119234, Russia; r-mail: fedosov_v@mail.ru

2 – Botanical Garden-Institute, FEB RAS, Makovskogo Street, 142, Vladivostok, 690024, Russia

3 – Tsitsin Main Botanical Garden, Russian Academy of Sciences, Botanicheskaya Str., 4, Moscow 127276 Russia

4 – Polar-Alpine Botanical Garden-Institute of the Kola Science Center of RAS, Kirovsk, Murmansk Province, 184256, Russia

Keywords: arctic tundra subzone, bryophytes, diversity, flora

ABSTRACT. Bryophyte flora of the Dickson village area was studied during five field seasons. The list includes 90 species and 7 infraspecific taxa of liverworts and 249 species and 2 varieties of mosses. This is the greatest number among local floras published for Asian Arctic. It exceeds previously published moss floras of the nearby areas by about hundred species. It is partly caused by application of new species concepts, which appeared as a result of revisions involving molecular phylogenetic data. However, it also demonstrates strong under-exploration, and, consequently, underestimation of bryophyte diversity and need in its conservation. The present study shows that the number of species in local floras does not decrease northward within the tundra zone. Moreover, bryophyte flora of the arctic tundra biome houses the previously neglected or only recently recognized taxonomic diversity. An annotated list of species is provided, аlong with comments on the problematic taxa and specimens.

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doi 10.15298/arctoa.29.14