Notes on the lichen genus Rhizoplaca from continental Antarctica and on some other species from northern Victoria Land.

Five taxa of the genera Omphalodina and Rhizoplaca known from continental Antarctica are reassessed in order to identify a remarkable species collected from northern Victoria Land, for which the new combination Rhizoplaca macleanii (C.W. Dodge) Castello is proposed here. This poorly known species is...

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Bibliographic Details
Published in:The Lichenologist
Main Author: CASTELLO, Miris
Other Authors: Castello, Miris
Format: Article in Journal/Newspaper
Language:English
Published: 2010
Subjects:
Buellia
Caloplaca
flora
Omphalodina
taxonomy
Tephromela
Antarctica
Victoria Land
Antarctic
Terra Nova Bay
Antarc*
Online Access:http://hdl.handle.net/11368/2346712
https://doi.org/10.1017/S0024282909990740
Description
Summary:Five taxa of the genera Omphalodina and Rhizoplaca known from continental Antarctica are reassessed in order to identify a remarkable species collected from northern Victoria Land, for which the new combination Rhizoplaca macleanii (C.W. Dodge) Castello is proposed here. This poorly known species is known only from continental Antarctica. Two synonyms are discussed: Omphalodina exsulans (Th. Fr.) C. W. Dodge and O. siplei (C.W. Dodge &G. E. Baker) C. W. Dodge are synonyms of Rhizoplaca melanophthalma (DC.) Leuckert & Poelt. The correct name of another species is Tephromela priestleyi (C. W. Dodge) Øvstedal. The name O. johnstonii (C. W. Dodge) C. W. Dodge should be abandoned, type material being too scanty for a reliable identification. A contribution to the flora of the Terra Nova Bay area (northern Victoria Land) is provided, with two additional species, including Buellia vilis Th. Fr. new to Antarctic regions, and two nomenclatural corrections.

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