Sofronova, E.V. A contribution to the liverwort flora of Orulgan Range (North-Eastern Yakutia)
Arctoa (2015) 24: 520-526
An annotated list of liverworts of the northern part of the Orulgan Range is presented. In total, 71 species and 3 varieties of liverworts are recorded in the study area. One genus, Dichiton, is recorded for the first time for Yakutia, four taxa are new for Verkhoyansk Range (Asterella lindenbergiana, Mannia fragrans, Nardia geoscyphus, Riccia sorocarpa subsp. arctica), 15 species (Athalamia hyalina, Eocalypogeia schusteriana, Lophozia pellucida, L. perssonii, L. savicziae, Marchantia polymorpha, Mesoptychia badensis, Orthocaulis hyperboreus, Ptilidium pulcherrimum, Sauteria alpina, Scapania cf. curta, S. irrigua, S. spitsbergensis, S. opacifolia, and Tritomaria scitula) are newly found in Orulgan Range. Data on frequency, altitude range, recorded localities, habitats, substrates, growth pattern and structures associated with reproduction are listed for every species. Annotations of selected species are accomplished by data on associated species and additional notes on distribution. Most remarkable are records of rare in Russia and Yakutia Asterella lindenbergiana, Lophozia excisa var. elegans, Bucegia romanica, Eocalypogeia schusteriana, Lophozia perssonii, and Scapania sphaerifera. Four latter species are included in the Red Data Book of Russian Federation.