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Citation for Study 10185

About Citation title: "Amylocorticiales ord. nov. and Jaapiales ord. nov.: early-diverging clades of Agaricomycetidae dominated by corticioid forms".
About This study was previously identified under the legacy study ID S2565 (Status: Published).

Citation

Binder M., Larsson K., Matheny P.B., & Hibbett D. 2010. Amylocorticiales ord. nov. and Jaapiales ord. nov.: early-diverging clades of Agaricomycetidae dominated by corticioid forms. Mycologia, 102: 865-880.

Authors

  • Binder M. Phone 508 793-7625
  • Larsson K.
  • Matheny P.B. Phone 865-974-8896
  • Hibbett D.

Abstract

The Agaricomycetidae is one of the most morphologically diverse clades of Basidiomycota that includes the well-known Agaricales and Boletales, which are dominated by pileate-stipitate forms, and the more obscure Atheliales, which is a relatively small group of resupinate taxa. This study focuses taxon sampling on resupinate forms that may be related to these groups, aiming at resolving the early-branching clades in the major groups of Agaricomycetidae. The second goal was to resolve sister group relationships between Agaricales, Boletales, and Atheliales with confidence, a difficult task based on conflicting results concerning the placement of the Atheliales. To this end, we have developed a six-locus nuclear data set (nuc-ssu, nuc-lsu, 5.8S, rpb1, rpb2, and tef1) for 191 species, which was analyzed with maximum parsimony, maximum likelihood, and Bayesian methods. Our analyses of these data corroborate the view that the Boletales evolved from athelioid forms. We have also resolved an additional early-branching clade within the Agaricomycetidae that is composed primarily of resupinate forms, as well as a few morphologically more elaborate forms including Plicaturopsis and Podoserpula. This clade, which we describe here as the new order Amylocorticiales, is the sister group of the Agaricales. We introduce a second order, the Jaapiales, for the lone resupinate genus Jaapia consisting of two species only. The Jaapiales is supported as the sister group to the rest of the Agaricomycetidae, suggesting that the greatest radiation of pileate-stipitate mushrooms resulted from the elaboration of resupinate ancestors.

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  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S10185
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