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Título: | Herzog Vindicated: Integrative Taxonomy Reveals That Trichostomum brachydontium (Pottiaceae, Bryophyta) Comprises Several Species |
Fecha de publicación: | 21-ene-2022 |
Cita bibliográfica: | Taxonom nº 2, pág. 57–88 https://www.mdpi.com/journal/taxonomy |
ISSN: | 2673-6500 |
Palabras clave: | Mediterranean-Atlantic Europe Mosses biodiversity nomenclature |
Resumen: | The morphologically variable moss Trichostomum brachydontium is very common in south and west Europe, particularly under Mediterranean and Atlantic climates. A morphological study was conducted alongside a molecular phylogenetic study based on nr ITS and cp-rbcL regions in order to assess if T. brachydontium is an exceptionally polymorphic species as evidenced by the number of described infraspecific taxa in the last century or, alternatively, if it includes more than one species, and if so, to find the valid name for them. Phylogenetic analyses of both nuclear and chloroplast datasets show that there are four well-supported clades. While the ITS-based tree is in good agreement with the morphological data, there are a few inconsistencies with reference to the rbcL tree; this may be explained by incomplete lineage sorting by hybridization or by the persistence of isolated ancestral molecular races. The morphological survey revealed well-defined discriminate differences between the four phylogenetic lineages. The taxonomic conclusions include the recognition of four species: T. brachydontium s.s., T. herzogii (a new name proposed for var. cuspidatum), T. littorale, and T. meridionale (a new name proposed for var. densum). Lectotypes are designated for T. brachydontium and T. littorale. Our results underline the ongoing need of integrative studies to examine further the underestimated diversity of the T. brachydontium complex in other regions. |
Autor/es principal/es: | Ros Espín, Rosa María Werner, O. Porley, Ron D. |
URI: | http://hdl.handle.net/10201/119265 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 32 |
Derechos: | info:eu-repo/semantics/openAccess Atribución 4.0 Internacional |
Descripción: | © 2021. This manuscript version is made available under the CC-BY-4.0 license http://creativecommons.org/licenses/by/4.0/ This document is the Published Manuscript version of a Published Work that appeared in final form in Taxonomy. To access the final edited and published work see https://doi.org/10.3390/taxonomy2010005 |
Aparece en las colecciones: | Artículos: Biología Vegetal |
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