Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)

ABSTRACTIn the era of molecular phylogeny as dominant evidence in fungal taxonomy, the taxonomic framework of fungi adopted from morphological characteristics has been largely updated. Compared with other fungal groups, macrofungi underwent fewer updates at the order and higher level. In this study,...

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Main Authors: Shi-Liang Liu, Hao-Wen Wei, Li-Wei Zhou
Format: Article
Language:English
Published: Taylor & Francis Group 2023-07-01
Series:Mycology
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/21501203.2023.2216213
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author Shi-Liang Liu
Hao-Wen Wei
Li-Wei Zhou
author_facet Shi-Liang Liu
Hao-Wen Wei
Li-Wei Zhou
author_sort Shi-Liang Liu
collection DOAJ
description ABSTRACTIn the era of molecular phylogeny as dominant evidence in fungal taxonomy, the taxonomic framework of fungi adopted from morphological characteristics has been largely updated. Compared with other fungal groups, macrofungi underwent fewer updates at the order and higher level. In this study, the taxonomic placement of a poorly known macro-basidiomycetous genus Xenasmatella is studied. Phylogenetic and molecular clock analyses inferred from a seven-locus dataset support that the genus represents an order rank lineage. Accordingly, a monotypic order Xenasmatellales and a monotypic family Xenasmatellaceae are newly introduced for Xenasmatella within Agaricomycetes. The species diversity and relationships of Xenasmatella are further clarified with the aid of the phylogenetic analysis inferred from a four-locus dataset. In association with morphological characteristics, a new species Xenasmatella hjortstamii is described. Moreover, the distribution of Xenasmatella ailaoshanensis, X. gossypina, and X. wuliangshanensis previously known only from type localities in Yunnan Province, China are expanded. In addition, two unnamed single-specimen lineages of Xenasmatella from Victoria State, Australia and Sichuan, China are revealed, likely representing two potential new species of this genus. In summary, the current study updates the taxonomic framework of Agaricomycetes and provides a crucial supplement for comprehensively understanding the evolutionary history of this fungal class.
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spelling doaj.art-b4e8ab9ff8f94b3ea73d4195e033f5652024-03-13T08:51:32ZengTaylor & Francis GroupMycology2150-12032150-12112023-07-0114317518910.1080/21501203.2023.2216213Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)Shi-Liang Liu0Hao-Wen Wei1Li-Wei Zhou2State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, ChinaABSTRACTIn the era of molecular phylogeny as dominant evidence in fungal taxonomy, the taxonomic framework of fungi adopted from morphological characteristics has been largely updated. Compared with other fungal groups, macrofungi underwent fewer updates at the order and higher level. In this study, the taxonomic placement of a poorly known macro-basidiomycetous genus Xenasmatella is studied. Phylogenetic and molecular clock analyses inferred from a seven-locus dataset support that the genus represents an order rank lineage. Accordingly, a monotypic order Xenasmatellales and a monotypic family Xenasmatellaceae are newly introduced for Xenasmatella within Agaricomycetes. The species diversity and relationships of Xenasmatella are further clarified with the aid of the phylogenetic analysis inferred from a four-locus dataset. In association with morphological characteristics, a new species Xenasmatella hjortstamii is described. Moreover, the distribution of Xenasmatella ailaoshanensis, X. gossypina, and X. wuliangshanensis previously known only from type localities in Yunnan Province, China are expanded. In addition, two unnamed single-specimen lineages of Xenasmatella from Victoria State, Australia and Sichuan, China are revealed, likely representing two potential new species of this genus. In summary, the current study updates the taxonomic framework of Agaricomycetes and provides a crucial supplement for comprehensively understanding the evolutionary history of this fungal class.https://www.tandfonline.com/doi/10.1080/21501203.2023.2216213corticioid fungithree new taxawood-inhabiting fungiXenasmataceae
spellingShingle Shi-Liang Liu
Hao-Wen Wei
Li-Wei Zhou
Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
Mycology
corticioid fungi
three new taxa
wood-inhabiting fungi
Xenasmataceae
title Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
title_full Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
title_fullStr Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
title_full_unstemmed Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
title_short Xenasmatellales ord. nov. and Xenasmatellaceae fam. nov. for Xenasmatella (Agaricomycetes, Basidiomycota)
title_sort xenasmatellales ord nov and xenasmatellaceae fam nov for xenasmatella agaricomycetes basidiomycota
topic corticioid fungi
three new taxa
wood-inhabiting fungi
Xenasmataceae
url https://www.tandfonline.com/doi/10.1080/21501203.2023.2216213
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