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        Morphophylogenetic assessment of a new moss species Bryum bharatiense sp. nov. (Bryaceae) from Larsemann Hills, Eastern Antarctica

        Wahid Ul Rehman,Kriti Gupta,Felix Bast 국립중앙과학관 2021 Journal of Asia-Pacific Biodiversity Vol.14 No.3

        Bryum is recognized as a cosmopolitan genus of mosses in the family Bryaceae that contains the largestdiversity of mosses. Although there are around 100 species of moss species reported from Antarctica todate, the actual species diversity remains elusive, as the continent remains one of the least exploredhabitats globally. Here, we describe a new species of Bryum from the Larsemann Hills, Eastern Antarctica,with several synapomorphic characters, including unbranched plant body, ovate-lanceolate leaves,reflexed leaf margins with slightly serrulate apex, and percurrent coasta. In nuclear ribosomal DNA internaltranscribed spacer 1 phylogram, our isolate did not cluster with any known species of this genus. The closest BLASTn hit was found to be Bryum pseudotriquetrum, but our isolate had several distinctsynapomorphic traits. Based on morphological and molecular data, a new moss species, Bryum bharatiensesp. nov. is formally proposed herein. Besides, two new taxonomic records are also presented inthis study, viz. Bryoerythrophyllum recurvirostrum from Larsemann Hills and Coscinodon lawianus fromSchirmacher Oasis.

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