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<p><i>Fuscoporia</i> (<i>Hymenochaetaceae</i>, <i>Basidiomycota</i>) is a monophyletic genus of poroid macrofungi with a cosmopolitan distribution, mainly characterized by resupinate to pileate basidiomata, poroid hymenophore, generative encrusted hyphae with simple septa, and dark brown hymenial setae. The similarity of the morphological characteristics among the species is taxonomically complex, and the delimitation of the species still presents uncertainties. The integration of morphological and molecular data is essential in resolving these complexes. In this study, <i>Fuscoporia</i> specimens collected in the Eastern Brazilian Amazon were analyzed using morphological analyses integrated with molecular data based on the markers ITS + LSU + <i>RPB2</i> + <i>TEF1-α</i>. The analyses revealed three new species: <i>F. aureofulva (Fuscoporia gilva</i> group), <i>F. gibertoniae</i>, and <i>F. saracaensis (Fuscoporia torulosa</i> group). In addition, specimens of <i>F. licnoides</i> were analyzed on a morphological basis and are presented in this study. These new species expand the knowledge of the distribution of <i>Fuscoporia</i> in the Brazilian Amazon. Morphological descriptions and comparisons with <i>Fuscoporia</i> species previously recorded in the Brazilian Amazon are provided.</p>

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Three new species of Fuscoporia Murrill (Hymenochaetaceae, Basidiomycota) based on morphological and molecular evidence from the Eastern Brazilian Amazon

  • 期刊论文

  • 发表日期：

    2025年12月15日

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  • Richard Bruno Mendes-Freire,
  • Maria do Pérpetuo Socorro Progene Vilhena,
  • William Kalhy Silva Xavier,
  • Helen Maria Pontes Sotão,
  • Adriene Mayra da Silva Soares

摘要

Fuscoporia (Hymenochaetaceae, Basidiomycota) is a monophyletic genus of poroid macrofungi with a cosmopolitan distribution, mainly characterized by resupinate to pileate basidiomata, poroid hymenophore, generative encrusted hyphae with simple septa, and dark brown hymenial setae. The similarity of the morphological characteristics among the species is taxonomically complex, and the delimitation of the species still presents uncertainties. The integration of morphological and molecular data is essential in resolving these complexes. In this study, Fuscoporia specimens collected in the Eastern Brazilian Amazon were analyzed using morphological analyses integrated with molecular data based on the markers ITS + LSU + RPB2 + TEF1-α. The analyses revealed three new species: F. aureofulva (Fuscoporia gilva group), F. gibertoniae, and F. saracaensis (Fuscoporia torulosa group). In addition, specimens of F. licnoides were analyzed on a morphological basis and are presented in this study. These new species expand the knowledge of the distribution of Fuscoporia in the Brazilian Amazon. Morphological descriptions and comparisons with Fuscoporia species previously recorded in the Brazilian Amazon are provided.