The lichen genus <Emphasis Type="Italic">Umbilicaria</Emphasis> from the neighbourhood of Admiralty Bay (King George Island,maritime Antarctic), with a proposed new key to all Antarctic taxa |
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Authors: | Email author" target="_blank">Beata?KrzewickaEmail author Jerzy?Smykla |
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Institution: | (1) Laboratory of Lichenology, W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Cracow, Poland;(2) Department of Ecology, W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Cracow, Poland;(3) Department of Antarctic Biology, Polish Academy of Sciences, Ustrzycka 10/12, 02-141 Warsaw, Poland |
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Abstract: | This paper documents the occurrence of the genus Umbilicaria in the neighbourhood of Admiralty Bay on King George Island in the maritime Antarctic. Nine species are reported from the area surveyed, with Umbilicaria kappeni being reported from King George Island for the first time. The occurrence of U. aprina, U. cristata and U. umbilicarioides on the island is confirmed and that of U. aprina is its first documented record from the maritime Antarctic. Fertile specimens of U. umbilicarioides are recorded for the first time from Antarctica. The area around Admiralty Bay seems to be one of the Antarctic regions with the highest diversity of Umbilicaria species. The diagnostic characters and distribution of each species are discussed. An updated key for identification of all the Antarctic species of the genus is provided. |
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