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Coprophilous contributions to the phylogeny of Lasiosphaeriaceae and allied taxa within Sordariales (Ascomycota, Fungi)

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Abstract

The phylogenetic relationships of Lasiosphaeriaceae are complicated in that the family is paraphyletic and includes Sordariaceae and Chaetomiaceae, as well as several polyphyletic genera. This study focuses on the phylogenetic relationships of the coprophilous genera, Anopodium, Apodospora, Arnium, Fimetariella and Zygospermella. They are traditionally circumscribed based on ascospore characters, which have proven homoplasious in other genera within the family. Our results based on LSU nrDNA and ß–tubulin sequences distinguish four lineages of Lasiosphaeriaceae taxa. Anopodium joins the clade of morphologically similar, yellow-pigmented species of Cercophora and Lasiosphaeria. Apodospora is monophyletic and joins a larger group of taxa with unclear affinities to each other, while Arnium is polyphyletic being scattered throughout three of the four major clades of Lasiosphaeriaceae. Fimitariella is represented by a single collection and joins the clade containing Cercophora scortea and Podospora appendiculata. Zygospermella shows affinities to the Lasiosphaeris clade. Based on a combination of morphological and molecular data, Echria stat. nov. is recognized at the genus level for the former Arnium section and two new combinations are proposed: E. gigantospora and E. macrotheca.

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Acknowledgment

This study is financed by the Swedish Taxonomy Initiative (dha 34/07 1.4) and the Helge Ax:son Johnson foundation. This work was supported in part by a NSF PEET Grant (DEB–9,521,926) to SMH and some sequences were generated in the Pritzker Laboratory for Molecular Systematics and Evolution at The Field Museum of Natural History.

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Authors and Affiliations

  1. Systematic Biology, Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18D, SE-752 36, Uppsala, Sweden

    Åsa Kruys

  2. Botany Department, Field Museum, Chicago, IL, 60605, USA

    Sabine M. Huhndorf

  3. Illinois Natural History Survey, University of Illinois, Champaign, IL, 61820, USA

    Andrew N. Miller

Authors
  1. Åsa Kruys
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  2. Sabine M. Huhndorf
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  3. Andrew N. Miller
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Correspondence to Åsa Kruys.

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Kruys, Å., Huhndorf, S.M. & Miller, A.N. Coprophilous contributions to the phylogeny of Lasiosphaeriaceae and allied taxa within Sordariales (Ascomycota, Fungi). Fungal Diversity 70, 101–113 (2015). https://doi.org/10.1007/s13225-014-0296-3

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  • DOI: https://doi.org/10.1007/s13225-014-0296-3

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