Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts

P.A. Barber; P.W. Crous; J.Z. Groenewald; I.G. Pascoe; P. Keane

doi:10.3767/003158511X617381

Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts

P.A. Barber, P.W. Crous, J.Z. Groenewald, I.G. Pascoe, P. Keane

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgave › Artikel › Wetenschappelijk › peer review

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The genus Vermisporium presently accommodates 13 species, 11 of which are associated with leaf spots of eucalypts in the Southern Hemisphere. Vermisporium is chiefly distinguished from Seimatosporium (Amphisphaeriaceae) on the basis of a short exogenous basal appendage, and the absence of a recognisable apical appendage. Due to the increasing importance of these species in native forests, and confusion pertaining to their taxonomy, a revision of the genus was undertaken based on fresh collections and dried herbarium specimens. Results from DNA sequence data analyses of the nrDNA-ITS and 28S nrRNA genes for species of Vermisporium indicated the genus to be a synonym of Seimatosporium. New combinations are introduced in Seimatosporium for several species: S. acutum, S. biseptatum, S. brevicentrum, S. obtusum, S. orbiculare, S. verrucisporum and S. walkeri. An updated key to all species occurring on eucalypts is also provided. Keywords: Australia, Eucalyptus, foliar pathogen, Seimatosporium, taxonomy

Originele taal-2	Engels
Pagina's (van-tot)	90-118
Tijdschrift	Persoonia
Volume	27
DOI's	https://doi.org/10.3767/003158511X617381
Status	Gepubliceerd - 2011

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(c) KNAW - Koninklijke Nederlandse Akademie van Wetenschappen, 2011
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title = "Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts",

abstract = "The genus Vermisporium presently accommodates 13 species, 11 of which are associated with leaf spots of eucalypts in the Southern Hemisphere. Vermisporium is chiefly distinguished from Seimatosporium (Amphisphaeriaceae) on the basis of a short exogenous basal appendage, and the absence of a recognisable apical appendage. Due to the increasing importance of these species in native forests, and confusion pertaining to their taxonomy, a revision of the genus was undertaken based on fresh collections and dried herbarium specimens. Results from DNA sequence data analyses of the nrDNA-ITS and 28S nrRNA genes for species of Vermisporium indicated the genus to be a synonym of Seimatosporium. New combinations are introduced in Seimatosporium for several species: S. acutum, S. biseptatum, S. brevicentrum, S. obtusum, S. orbiculare, S. verrucisporum and S. walkeri. An updated key to all species occurring on eucalypts is also provided. Keywords: Australia, Eucalyptus, foliar pathogen, Seimatosporium, taxonomy",

author = "P.A. Barber and P.W. Crous and J.Z. Groenewald and I.G. Pascoe and P. Keane",

note = "Reporting year: 2011",

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doi = "10.3767/003158511X617381",

language = "English",

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AU - Barber, P.A.

AU - Crous, P.W.

AU - Groenewald, J.Z.

AU - Pascoe, I.G.

AU - Keane, P.

N1 - Reporting year: 2011

PY - 2011

Y1 - 2011

N2 - The genus Vermisporium presently accommodates 13 species, 11 of which are associated with leaf spots of eucalypts in the Southern Hemisphere. Vermisporium is chiefly distinguished from Seimatosporium (Amphisphaeriaceae) on the basis of a short exogenous basal appendage, and the absence of a recognisable apical appendage. Due to the increasing importance of these species in native forests, and confusion pertaining to their taxonomy, a revision of the genus was undertaken based on fresh collections and dried herbarium specimens. Results from DNA sequence data analyses of the nrDNA-ITS and 28S nrRNA genes for species of Vermisporium indicated the genus to be a synonym of Seimatosporium. New combinations are introduced in Seimatosporium for several species: S. acutum, S. biseptatum, S. brevicentrum, S. obtusum, S. orbiculare, S. verrucisporum and S. walkeri. An updated key to all species occurring on eucalypts is also provided. Keywords: Australia, Eucalyptus, foliar pathogen, Seimatosporium, taxonomy

AB - The genus Vermisporium presently accommodates 13 species, 11 of which are associated with leaf spots of eucalypts in the Southern Hemisphere. Vermisporium is chiefly distinguished from Seimatosporium (Amphisphaeriaceae) on the basis of a short exogenous basal appendage, and the absence of a recognisable apical appendage. Due to the increasing importance of these species in native forests, and confusion pertaining to their taxonomy, a revision of the genus was undertaken based on fresh collections and dried herbarium specimens. Results from DNA sequence data analyses of the nrDNA-ITS and 28S nrRNA genes for species of Vermisporium indicated the genus to be a synonym of Seimatosporium. New combinations are introduced in Seimatosporium for several species: S. acutum, S. biseptatum, S. brevicentrum, S. obtusum, S. orbiculare, S. verrucisporum and S. walkeri. An updated key to all species occurring on eucalypts is also provided. Keywords: Australia, Eucalyptus, foliar pathogen, Seimatosporium, taxonomy

U2 - 10.3767/003158511X617381

DO - 10.3767/003158511X617381

M3 - Article

SN - 0031-5850

VL - 27

SP - 90

EP - 118

JO - Persoonia

JF - Persoonia

ER -

Reassessing Vermisporium (Amphisphaeriaceae), a genus of foliar pathogens of eucalypts

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