publication . Article . 2010

Phylogeny of the moss class Polytrichopsida (BRYOPHYTA): Generic-level structure and incongruent gene trees

Neil E. Bell; Jaakko Hyvönen;
Open Access
  • Published: 01 May 2010 Journal: Molecular Phylogenetics and Evolution, volume 55, pages 381-398 (issn: 1055-7903, Copyright policy)
  • Publisher: Elsevier BV
Abstract
Abstract Analysis of an extensive new molecular dataset for the moss class Polytrichopsida provides convincing support for many traditionally recognised genera and identifies higher level phylogenetic structure with a strong geographic component. A large apical clade that is most diverse in the northern hemisphere is subtended by a grade of southern temperate and tropical genera, while the earliest diverging lineages have widely separated relictual distributions. However, there is strongly supported topological incongruence between the nuclear 18S rRNA gene tree and the chloroplast and mitochondrial data for the positions of some taxa and notably for the status ...
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Subjects
free text keywords: Genetics, Molecular Biology, Ecology, Evolution, Behavior and Systematics, Ecology, Monophyly, Pogonatum, biology.organism_classification, biology, Molecular phylogenetics, Phylogenetic tree, Reticulate evolution, Paraphyly, Taxon, Polyphyly, Evolutionary biology
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