Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium

Raco/eus trichophorus gen. sp. nov. is described for a tropical sterile filamentous lichenized fungus which overgrows various crustose lichens on bark. It shares some features with Cystoco/eus and Racodium, but is unique in having non-lichenized long lateral spines. The genus, which is known from Ch...

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Main Authors: D.L. Hawksworth, R. Santesson, L. Tibell
Format: Article
Language:English
Published: BMC 2011-06-01
Series:IMA Fungus
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Online Access:http://www.ingentaconnect.com/content/ima/imafung/2011/00000002/00000001/art00020
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author D.L. Hawksworth
R. Santesson
L. Tibell
author_facet D.L. Hawksworth
R. Santesson
L. Tibell
author_sort D.L. Hawksworth
collection DOAJ
description Raco/eus trichophorus gen. sp. nov. is described for a tropical sterile filamentous lichenized fungus which overgrows various crustose lichens on bark. It shares some features with Cystoco/eus and Racodium, but is unique in having non-lichenized long lateral spines. The genus, which is known from China, the Ivory Coast, and Peru, is of uncertain systematic position; on the basis of morphological similarities, however, it may be referred to "? Capnodia/es (incertae sedis)" ad interim. In addition, the nomenclature and typification of the monotypic genera Cystoco/eus and Racodium are reviewed, and lectotypes selected for the type of each. The available information on the ecology and distribution of these two genera is also summarized, and scanning electron micrographs (SEM) of all three species are presented for the first time.
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record_format Article
series IMA Fungus
spelling doaj-art-b76d9cce00f14c0cbbb4e059c26c68b52025-02-02T10:33:40ZengBMCIMA Fungus2210-63402210-63592011-06-01217179Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and RacodiumD.L. HawksworthR. SantessonL. TibellRaco/eus trichophorus gen. sp. nov. is described for a tropical sterile filamentous lichenized fungus which overgrows various crustose lichens on bark. It shares some features with Cystoco/eus and Racodium, but is unique in having non-lichenized long lateral spines. The genus, which is known from China, the Ivory Coast, and Peru, is of uncertain systematic position; on the basis of morphological similarities, however, it may be referred to "? Capnodia/es (incertae sedis)" ad interim. In addition, the nomenclature and typification of the monotypic genera Cystoco/eus and Racodium are reviewed, and lectotypes selected for the type of each. The available information on the ecology and distribution of these two genera is also summarized, and scanning electron micrographs (SEM) of all three species are presented for the first time.http://www.ingentaconnect.com/content/ima/imafung/2011/00000002/00000001/art00020ASCOMYCOTACAPNODIA/ESCOENOGONIUMLICHENSRACO/EUS TRICHOPHORUSSCANNING ELECTRON MICROSCOPYTROPICAL FUNGI
spellingShingle D.L. Hawksworth
R. Santesson
L. Tibell
Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
IMA Fungus
ASCOMYCOTA
CAPNODIA/ES
COENOGONIUM
LICHENS
RACO/EUS TRICHOPHORUS
SCANNING ELECTRON MICROSCOPY
TROPICAL FUNGI
title Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
title_full Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
title_fullStr Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
title_full_unstemmed Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
title_short Racoleus, a new genus of sterile filamentous lichen-forming fungi from the tropics, with observations on the nomenclature and typification of Cystocoleus and Racodium
title_sort racoleus a new genus of sterile filamentous lichen forming fungi from the tropics with observations on the nomenclature and typification of cystocoleus and racodium
topic ASCOMYCOTA
CAPNODIA/ES
COENOGONIUM
LICHENS
RACO/EUS TRICHOPHORUS
SCANNING ELECTRON MICROSCOPY
TROPICAL FUNGI
url http://www.ingentaconnect.com/content/ima/imafung/2011/00000002/00000001/art00020
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