Konstantinova N.A.1, Vilnet A.A.1, Mamontov Y.S.1,2 2020. A new species of the genus Lophozia (Lophoziaceae) from the Svalbard Archipelago // Arctoa. Vol. 29: 124–134 [in English].

1 – Polar-Alpine Botanical Garden, Kola Sci. Centre, Russ. Acad. Sci., Kirovsk-6, Murmansk Province, 184256 Russia. E-mails: nadya50@list.ru, anya_v@list.ru

2 – Tsitsin Main Botanical Garden, Russian Academy of Sciences, Botanicheskaya Str., 4, Moscow 127276 Russia. E-mail: yur-mamontov@yandex.ru

Keywords: molecular markers, ITS1-2, trnL–F, liverworts, taxonomy

ABSTRACT.  A new species of liverwort Lophozia svalbardensis (Marchantiophyta, Jungermanniopsida) collected in the Nordaustlandet (Svalbard Archipelago) is described. It is characterized by heteroicous inflorescence, presence of low perigynium, crenulate-ciliate perianth mouth, thick walled cells near perianth mouth; colourless to slightly pinkish red tinged gemmae contrasting in color with red-brown marginal cells of the uppermost leaves, two-layer thick base of leaves. A detailed description including illustrations of the species is given. The phylogenetic position of the species is considered, and morphological differences from similar species are discussed..

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doi 10.15298/arctoa.29.10