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Valsaria and the Valsariales.

W M Jaklitsch1, J Fournier2, D Q Dai3

  • 1Division of Systematic and Evolutionary Botany, Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030 Wien, Austria; Institute of Forest Entomology, Forest Pathology and Forest Protection, Department of Forest and Soil Sciences, BOKU University of Natural Resources and Life Sciences, Hasenauerstraße 38, 1190 Vienna, Austria.

Fungal Diversity
|June 9, 2016
PubMed
Summary
This summary is machine-generated.

A new fungal family, Valsariaceae, and order, Valsariales, were established within Dothideomycetes. This classification clarifies the species composition of the Valsaria genus, introducing new genera and species.

Keywords:
AscomycotaDothideomycetesMultigene phylogenetic analysisPyrenomycetes

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Area of Science:

  • Mycology
  • Fungal Taxonomy
  • Molecular Phylogenetics

Background:

  • The genus *Valsaria sensu lato* encompasses morphologically similar fungi.
  • Previous classifications lacked resolution for species composition within *Valsaria*.

Purpose of the Study:

  • To elucidate the species composition of *Valsaria sensu lato* using recent collections.
  • To establish a robust phylogenetic framework for the genus and related taxa.

Main Methods:

  • Multigene phylogenetic analysis using SSU, LSU, ITS, *rpb2*, and *tef1* gene sequences.
  • Morphological comparisons of fungal collections, primarily from Europe.

Main Results:

  • A monophyletic group of ten species within *Dothideomycetes* was identified.
  • A new family, *Valsariaceae*, and a new order, *Valsariales*, were established to accommodate this group.
  • The genus *Valsaria sensu stricto* now includes six phylogenetically distinct but morphologically similar species.
  • A new genus, *Bambusaria*, was introduced for *Valsaria bambusae*.
  • Two species were reclassified into the genus *Myrmaecium*.

Conclusions:

  • The study provides a revised taxonomic framework for *Valsaria* and related fungi.
  • New taxa, including a new family and order, were established based on molecular and morphological data.
  • This work serves as a foundation for future discoveries of additional species.