Abstract
Three distinct lineages of gymnopoid and marasmioid fungi are recognized in parsimony and Bayesian analyses of nLSU rDNA sequences. One lineage contains the genera Lentinula, Rhodocollybia, Tetrapyrgos, a resurrected and redefined Mycetinis, and two unresolved clades designated /marasmiellus and /gymnopus. /marasmiellus includes the type species of Marasmiellus and is dominated by members of Gymnopus sect. Vestipedes. /gymnopus includes the type species of Gymnopus, Micromphale and Setulipes, and members of Gymnopus sect. Levipedes. A second lineage includes the genera Marasmius s.s. and Crinipellis and represents a redefined /marasmiaceae. A third lineage includes the genera Cylindrobasidium, Flammulina, Gloiocephala, Physalacria, Strobilurus, Xerula and Marasmius sect. Epiphylli and represents /physalacriaceae. One new combination in Rhodocollybia and four new combinations in Mycetinis are proposed. A discussion of the taxonomic implications resulting from the phylogenetic reconstruction is presented.
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Basidiomycota / classification*
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Basidiomycota / genetics
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DNA, Fungal / chemistry
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DNA, Fungal / genetics
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DNA, Ribosomal / chemistry
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DNA, Ribosomal / genetics
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Molecular Sequence Data
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Phylogeny*
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RNA, Ribosomal, 28S / genetics
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Sequence Analysis, DNA
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Sequence Homology
Substances
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DNA, Fungal
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DNA, Ribosomal
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RNA, Ribosomal, 28S
Associated data
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GENBANK/AY639406
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GENBANK/AY639407
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