The annotated list of hepatics of Barents Island (Svalbard archipelago) was compiled based on the collections by Savchenko, literature data and Arne Frisvoll’s collection in TRH. A total of 35 ...species, three subspecies and four varieties are recorded for Barents Island. Fifteen taxa are listed as new for Barents Island and four taxa are listed as new for Svalbard, including Lophozia silvicola, Lophozia subapiculata, Preissia quadrata subsp. hyperborea and Lophoziopsis excisa var. elegans. A new combination Trilophozia quinquedentata var. turgida is made. Annotations to the species include distribution, description of habitats, and some morphological characteristics of the studied specimens. Peculiarities of the hepatic flora of the island and the distribution in Svalbard are discussed.
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The distribution in the Russian part of the Caucasus of 14 hepatic species rare and threatened in Europe is discussed and mapped based on literature records and specimens collected by the authors. ...Solenostoma caucasicum (Váňa) Konstant. is recorded as new for the Russian part of the Caucasus. New localities for Clevea spathysii (Lindenb.) Müll. Frib., Frullania parvistipula Steph., Frullania bolanderi Austin, Scapania carinthiaca J. B. Jack ex Lindb., S. verrucosa Heeg. and Lophozia ascendens (Warnst.) R. M. Schust. are reported. Their ecology, phytogeography and mode of dispersal in the Caucasus are discussed.
Anastrophyllum sphenoloboides R.M. Schust., Lophozia silvicoloides N. Kitag., Marsupella sprucei (Limpr.) H. Bern. and Marsupella boeckii (Austin) Lindb. are recorded as new to Svalbard. Lophozia ...excisa (Dicks.) Dumort., Odontoschisma elongatum (Lindb.) Evans and Dichiton integerrimum (Lindb.) H. Buch are confirmed to occur in Svalbard. New localities for seven very rare Svalbard species are described. Localities of Diplophyllum albicans (L.) Dumort. and Marsupella boeckii, reported for the first time here in Prins Oscars Land (Nordaustlandet), are the northernmost known in the world. Data on occurrence, ecology, reproduction and morphological peculiarities are provided for each species, along with a discussion of their distribution in Svalbard and worldwide.
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