The lichens of Marion and Prince Edward Islands

D.O. Øvstedal; N.J.M. Gremmen

The lichens of Marion and Prince Edward Islands

D.O. Øvstedal, N.J.M. Gremmen

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Abstract

A total of 100 lichen species are listed for the islands. Six species are described as new to science: Arctomia subantarctica Øvstedal, Arthothelium evanescens Øvstedal, Coccotrema stellata Øvstedal, Ramonia subantarctica Øvstedal, Thelocarpon subantarcticum Øvstedal and Verrucaria umbilicata Øvstedal. Four new combinations are made: Amandinea subplicata (Nyl.) Øvstedal, Poeltinula cerebrinella (Nyl.) Øvstedal, Verrucaria nigra (Müll. Arg.) Øvstedal (from Cape Horn) and Verrucaria tesselata (Dodge) Øvstedal (from Heard Island). One third of the islands' lichen species also occur in the Northern Hemisphere. Of the Southern Hemisphere species, 24 are exclusively known from areas to the east of the islands (Kerguelen Province Islands, Australia, New Zealand, contrasting to only six species recorded exclusively to the west (South Georgia, Antarctic Peninsula). This suggests a distribution against the present predominantly westerly winds. The large number of seemingly endemic species is suggested to indicate the incomplete knowledge of the lichen floras of the sub-Antarctic islands.

Original language	English
Pages (from-to)	552-572
Journal	South African Journal of Botany
Volume	67
Issue number	4
Publication status	Published - 2001

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title = "The lichens of Marion and Prince Edward Islands",

abstract = "A total of 100 lichen species are listed for the islands. Six species are described as new to science: Arctomia subantarctica {\O}vstedal, Arthothelium evanescens {\O}vstedal, Coccotrema stellata {\O}vstedal, Ramonia subantarctica {\O}vstedal, Thelocarpon subantarcticum {\O}vstedal and Verrucaria umbilicata {\O}vstedal. Four new combinations are made: Amandinea subplicata (Nyl.) {\O}vstedal, Poeltinula cerebrinella (Nyl.) {\O}vstedal, Verrucaria nigra (M{\"u}ll. Arg.) {\O}vstedal (from Cape Horn) and Verrucaria tesselata (Dodge) {\O}vstedal (from Heard Island). One third of the islands' lichen species also occur in the Northern Hemisphere. Of the Southern Hemisphere species, 24 are exclusively known from areas to the east of the islands (Kerguelen Province Islands, Australia, New Zealand, contrasting to only six species recorded exclusively to the west (South Georgia, Antarctic Peninsula). This suggests a distribution against the present predominantly westerly winds. The large number of seemingly endemic species is suggested to indicate the incomplete knowledge of the lichen floras of the sub-Antarctic islands.",

author = "D.O. {\O}vstedal and N.J.M. Gremmen",

note = "Reporting year: 2001 Metis note: 3426; CEME; PGPE; file:///L:/Endnotedatabases/NIOOPUB/pdfs/Pdfs2001/Ovstedal_ea_3426.pdf",

year = "2001",

language = "English",

volume = "67",

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journal = "South African Journal of Botany",

issn = "0254-6299",

publisher = "Elsevier B.V.",

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T1 - The lichens of Marion and Prince Edward Islands

AU - Øvstedal, D.O.

AU - Gremmen, N.J.M.

N1 - Reporting year: 2001 Metis note: 3426; CEME; PGPE; file:///L:/Endnotedatabases/NIOOPUB/pdfs/Pdfs2001/Ovstedal_ea_3426.pdf

PY - 2001

Y1 - 2001

N2 - A total of 100 lichen species are listed for the islands. Six species are described as new to science: Arctomia subantarctica Øvstedal, Arthothelium evanescens Øvstedal, Coccotrema stellata Øvstedal, Ramonia subantarctica Øvstedal, Thelocarpon subantarcticum Øvstedal and Verrucaria umbilicata Øvstedal. Four new combinations are made: Amandinea subplicata (Nyl.) Øvstedal, Poeltinula cerebrinella (Nyl.) Øvstedal, Verrucaria nigra (Müll. Arg.) Øvstedal (from Cape Horn) and Verrucaria tesselata (Dodge) Øvstedal (from Heard Island). One third of the islands' lichen species also occur in the Northern Hemisphere. Of the Southern Hemisphere species, 24 are exclusively known from areas to the east of the islands (Kerguelen Province Islands, Australia, New Zealand, contrasting to only six species recorded exclusively to the west (South Georgia, Antarctic Peninsula). This suggests a distribution against the present predominantly westerly winds. The large number of seemingly endemic species is suggested to indicate the incomplete knowledge of the lichen floras of the sub-Antarctic islands.

AB - A total of 100 lichen species are listed for the islands. Six species are described as new to science: Arctomia subantarctica Øvstedal, Arthothelium evanescens Øvstedal, Coccotrema stellata Øvstedal, Ramonia subantarctica Øvstedal, Thelocarpon subantarcticum Øvstedal and Verrucaria umbilicata Øvstedal. Four new combinations are made: Amandinea subplicata (Nyl.) Øvstedal, Poeltinula cerebrinella (Nyl.) Øvstedal, Verrucaria nigra (Müll. Arg.) Øvstedal (from Cape Horn) and Verrucaria tesselata (Dodge) Øvstedal (from Heard Island). One third of the islands' lichen species also occur in the Northern Hemisphere. Of the Southern Hemisphere species, 24 are exclusively known from areas to the east of the islands (Kerguelen Province Islands, Australia, New Zealand, contrasting to only six species recorded exclusively to the west (South Georgia, Antarctic Peninsula). This suggests a distribution against the present predominantly westerly winds. The large number of seemingly endemic species is suggested to indicate the incomplete knowledge of the lichen floras of the sub-Antarctic islands.

M3 - Article

SN - 0254-6299

VL - 67

SP - 552

EP - 572

JO - South African Journal of Botany

JF - South African Journal of Botany

IS - 4

ER -

The lichens of Marion and Prince Edward Islands

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