Botanica Pacifica. A journal of plant science and conservation Preprint
Article first published online: 14 APR 2019 | DOI: 10.17581/bp.2019.08113
Two new species of Gymnomitriaceae (Marchantiophyta) in the North Pacific
Yuriy S. Mamontov 1,3, Anna A. Vilnet2, Nadezhda A. Konstantinova2 & Vadim A. Bakalin1
1Botanical Garden-Institute FEB RAS Vladivostok, Russia
2Polar-Alpine Botanical Garden-Institute, Kola Science Centre RAS, Kirovsk, Russia
3Tsitsin Main Botanical Garden RAS, Moscow, Russia
Two new liverwort species, Gymnomitrion kamchaticum sp. nov. and Marsupella aleutica sp. nov., are described based on integrative taxonomical approach derived from morphology, phytogeography and sequence data. Gymnomitrion kamchaticum is morphologically most similar to Gymnomitrion brevissimum, G. mucronulatum and G. pacificum, but differs from them by leaf insertion, shape of leaves and leaf cells. Marsupella aleutica is morphologically somewhat similar to the Holarctic M. emarginata s.l., M. funckii, M. sprucei, M. ustulata and the East Asian M. minutissima and M. pseudofunckii, but differs in leaf shape and occasional presence of a tooth at antical leaf base.
Мамонтов Ю.С., Вильнет А.А., Константинова Н.А., Бакалин В.А. Два новых вида Gymnomitriaceae (Marchantiophyta) из Северной Пацифики. Два новых для науки вида, Gymnomitrion kamchaticum sp. nov. и Marsupella aleutica sp. nov. выявлены и описаны на основе использования данных морфологии, молекулярной филогенетики и фитогеографии. Gymnomitrion kamchaticum внешне наиболее сходен с Gymnomitrion brevissimum, G. mucronulatum and G. pacificum, однако отличается от этих видов по признакам формы и при крепления листьев, а также по характеру края листа и краевых клеток. Вид Marsupella aleutica отчасти сходен с голарктическими видами M. emarginata s.l., M. funckii, M. sprucei, M. ustulata и восточноазиатскими M. minutissima и M. pseudo funckii, однако отличается от них формой листьев, а также развитием зубца в основании дорсальной части основания листа.
Keywords: Hepaticae, taxonomy, new species, Aleutians, Kamchatka, ITS1-2 nrD- NA, trnL-F cpDNA, печеночники, систематика, новые виды, Алеутские острова, Камчатка
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