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Registros recuperados: 4
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Persistent hamathecial threads in the Nectriaceae, Hypocreales: Thyronectria revisited and re-instated Naturalis
Jaklitsch, W.M.; Voglmayr, H..
Based on type studies and freshly collected material we here re-instate the genus Thyronectria (Nectriaceae, Hypocreales). Species of this genus were recently for the most part classified in the genera Pleonectria (Nectriaceae) or Mattirolia (Thyridiaceae), because Thyronectria and other genera had been identified as members of the Thyridiaceae due to the presence of paraphyses. Molecular phylogenies based on several markers (act, ITS, LSU rDNA, rpb1, rpb2, tef1, tub) revealed that the Nectriaceae contain members whose ascomata are characterised by long, more or less persistent, apical paraphyses. All of these belong to a single genus, Thyronectria, which thus has representatives with hyaline, rosy, green or even dark brown and sometimes distoseptate...
Tipo: Article / Letter to the editor Palavras-chave: Act; Ascomycota; Hypocreales; Mattirolia; Nectriaceae; New species; Pleonectria; Pyrenomycetes; Rpb1; Rpb2; Tef1; Tub; Thyridiaceae; Thyridium; Thyronectroidea.
Ano: 2014 URL: http://www.repository.naturalis.nl/record/531696
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Phylogenetic and taxonomic revision of Lopadostoma Naturalis
Jaklitsch, W.M.; Fournier, J.; Rogers, J.D.; Voglmayr, H..
The genus Lopadostoma (Xylariaceae, Xylariales) is revised. Most species formerly assigned to Lopadostoma do not belong to the genus. Twelve species are herein recognised, of which two are only known from morphology. Ten species, of which six (L. americanum, L. fagi, L. insulare, L. lechatii, L. meridionale and L. quercicola) are newly described, are characterised by both morphology and DNA phylogeny using LSU, ITS and rpb2 sequences. Morphologically, ecologically and phylogenetically Lopadostoma is a well-defined genus comprising exclusively species with pustular pseudostroma development in bark of angiospermous trees. Phaeosperma ailanthi, Phaeosperma dryophilum and Sphaeria linosperma are combined in Lopadostoma. Lopadostoma gastrinum is neotypified and...
Tipo: Article / Letter to the editor Palavras-chave: Anthostoma; Anthostomella; Ascomycota; Diatrypaceae; ITS; LSU; Phaeosperma; Pyrenomycetes; Rpb2; Xylariaceae; Xylariales.
Ano: 2014 URL: http://www.repository.naturalis.nl/record/531871
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Resolution of morphology-based taxonomic delusions: Acrocordiella, Basiseptospora, Blogiascospora, Clypeosphaeria, Hymenopleella, Lepteutypa, Pseudapiospora, Requienella, Seiridium and Strickeria Naturalis
Jaklitsch, W.M.; Gardiennet, A.; Voglmayr, H..
Fresh material, type studies and molecular phylogeny were used to clarify phylogenetic relationships of the nine genera Acrocordiella, Blogiascospora, Clypeosphaeria, Hymenopleella, Lepteutypa, Pseudapiospora, Requienella, Seiridium and Strickeria. At first sight, some of these genera do not seem to have much in common, but all were found to belong to the Xylariales, based on their generic types. Thus, the most peculiar finding is the phylogenetic affinity of the genera Acrocordiella, Requienella and Strickeria, which had been classified in the Dothideomycetes or Eurotiomycetes, to the Xylariales. Acrocordiella and Requienella are closely related but distinct genera of the Requienellaceae. Although their ascospores are similar to those of Lepteutypa,...
Tipo: Article / Letter to the editor Palavras-chave: Ascomycota; Dothideomycetes; New genus; Phylogenetic analysis; Pyrenomycetes; Pyrenulales; Sordariomycetes; Xylariales.
Ano: 2016 URL: http://www.repository.naturalis.nl/record/611854
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Two new classes of Ascomycota: Xylobotryomycetes and Candelariomycetes Naturalis
Voglmayr, H.; Fournier, J.; Jaklitsch, W.M..
Phylogenetic analyses of a combined DNA data matrix containing nuclear small and large subunits (nSSU, nLSU) and mitochondrial small subunit (mtSSU) ribosomal RNA and the largest and second largest subunits of the RNA polymerase II (rpb1, rpb2) of representative Pezizomycotina revealed that the enigmatic genera Xylobotryum and Cirrosporium form an isolated, highly supported phylogenetic lineage within Leotiomyceta. Acknowledging their morphological and phylogenetic distinctness, we describe the new class Xylobotryomycetes, containing the new order Xylobotryales with the two new families Xylobotryaceae and Cirrosporiaceae. The two currently accepted species of Xylobotryum, X. andinum and X. portentosum, are described and illustrated by light and scanning...
Tipo: Article / Letter to the editor Palavras-chave: Ascomycota; Dothideomycetes; Eurotiomycetes; Five new taxa; Multigene phylogenetic analyses; Pyrenomycetes; Sordariomycetes.
Ano: 2019 URL: http://www.repository.naturalis.nl/record/659252
Registros recuperados: 4
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