Addressing the diversity of Xylodon raduloides complex through integrative taxonomy

In this study, the taxonomic diversity of the Xylodon raduloides species complex (Hymenochaetales, Basidiomycota) is examined. Specimens were studied using an integrative taxonomic approach that includes molecular phylogenetic and morphological analyses, and environmental niche comparisons. Four dif...

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Detalles Bibliográficos
Autores: Fernández López, Javier, Tellería, M. Teresa, Dueñas, Margarita, Wilson, Andrew, Padamsee, Mahajabeen, Buchanan, Peter K., Mueller, Gregory M., Martín, María P.
Tipo de recurso: artículo
Fecha de publicación:2019
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/131570
Acceso en línea:https://hdl.handle.net/20.500.14352/131570
Access Level:acceso abierto
Palabra clave:582.284
581.5
57.063
574.9
Basidiomycota
Biogeography
Corticioid fungi
Environmental niche
Hymenochaetales
Morphological traits
Multilocus phylogeny
New taxa
Botánica (Biología)
Ecología (Biología)
2417 Biología Vegetal (Botánica)
2417.06 Micología (Setas)
2417.13 Ecología Vegetal
2417.20 Taxonomía Vegetal
2505.01-1 Biogeografía Botánica
Descripción
Sumario:In this study, the taxonomic diversity of the Xylodon raduloides species complex (Hymenochaetales, Basidiomycota) is examined. Specimens were studied using an integrative taxonomic approach that includes molecular phylogenetic and morphological analyses, and environmental niche comparisons. Four different species were found inside the Xylodon raduloides complex, with a biogeographic distribution pattern bound by geographic regions: Europe, North America, Patagonia, and Australia–New Zealand. Molecular, morphological, and environmental evidences delimit two lineages within this complex: a Northern Hemisphere clade with longer basidiospores and wider ranges in temperature and precipitation tolerance, and a Southern Hemisphere clade with smaller and more spherical basidiospores, and an isothermal and more humid climate preference. The integrative taxonomic approach used in this study demonstrates congruence between data sets and shows how morphological and environmental characteristics contribute to the differentiation of fungal species complexes. By combining various sources of taxonomic information, three new species are described: Xylodon laurentianus, X. novozelandicus, and X. patagonicus.