Two new species of Sarcomyxa (Agaricales) from China

Cai, Qing; Lin, Wen-Fei; Liu, Jianwei; Zhou, Yong; Yang, Zhu‐Liang

doi:10.1007/s11557-023-01883-8

Cited by 2 publications

(2 citation statements)

References 21 publications

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“…Due to its unique phylogenetic position and morphological features, it is considered an independent suborder here. To date, four species have been described for the genus Sarcomyxa (Cai et al 2023 ).…”

Section: Taxonomymentioning

confidence: 99%

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Phylogenetic and taxonomic updates of Agaricales , with an emphasis on Tricholomopsis

Wang,

Cai,

Hao

et al. 2023

Mycology

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The order Agaricales was divided into eight suborders. However, the phylogenetic relationships among some suborders are largely unresolved, and the phylogenetic positions and delimitations of some taxa, such as Sarcomyxaceae and Tricholomopsis , remain unsettled. In this study, sequence data of 38 genomes were generated through genome skimming on an Illumina sequencing system. To anchor the systematic position of Sarcomyxaceae and Tricholomopsis , a phylogenetic analysis based on 555 single-copy orthologous genes from the aforementioned genomes and 126 publicly accessible genomes was performed. The results fully supported the clustering of Tricholomopsis with Phyllotopsis and Pleurocybella within Phyllotopsidaceae, which formed a divergent monophyletic major lineage together with Pterulaceae , Radulomycetaceae , and Macrotyphula in Agaricales . The analysis also revealed that Sarcomyxaceae formed a unique major clade. Therefore, two new suborders, Phyllotopsidineae and Sarcomyxineae , are proposed for the two major lineages. Analyses of 450 single-copy orthologous genes and four loci suggested that Tricholomopsis consisted of at least four clades. Tricholomopsis is subsequently subdivided into four distinct sections. Seventeen Tricholomopsis species in China, including six new species, are reported. Conoloma is established to accommodate T. mucronata . The substrate preference of Tricholomopsis species and the transitions of the pileate ornamentations among the species within the genus are discussed.

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Section: Taxonomymentioning

confidence: 99%

“…Sarcomyxa P. Karst. includes four saprophytic and fan- or kidney-shaped species with prominent cheilocystidia and amyloid basidiospores (Cai et al 2023 ). The genus was regarded as a new family based on a single species and was added to the suborder Pleurotineae (Olariaga et al 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Phylogenetic and taxonomic updates of Agaricales , with an emphasis on Tricholomopsis

Wang,

Cai,

Hao

et al. 2023

Mycology

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Family matters inside the orderAgaricales: systematic reorganization and classification ofincertae sedisclitocyboid, pleurotoid and tricholomatoid taxa based on an updated 6-gene phylogeny

Vizzini,

Alvarado,

Consiglio

et al. 2024

Studies in Mycology

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The phylogenetic position of several clitocyboid/pleurotoid/tricholomatoid genera previously considered incertae sedis is here resolved using an updated 6-gene dataset of Agaricales including newly sequenced lineages and more complete data from those already analyzed before. Results allowed to infer new phylogenetic relationships, and propose taxonomic novelties to accommodate them, including up to ten new families and a new suborder. Giacomia (for which a new species from China is here described) forms a monophyletic clade with Melanoleuca (Melanoleucaceae) nested inside suborder Pluteineae, together with the families Pluteaceae, Amanitaceae (including Leucocortinarius), Limnoperdaceae and Volvariellaceae. The recently described family Asproinocybaceae is shown to be a later synonym of Lyophyllaceae (which includes also Omphaliaster and Trichocybe) within suborder Tricholomatineae. The families Biannulariaceae, Callistosporiaceae, Clitocybaceae, Fayodiaceae, Macrocystidiaceae (which includes Pseudoclitopilus), Entolomataceae, Pseudoclitocybaceae (which includes Aspropaxillus), Omphalinaceae (Infundibulicybe and Omphalina) and the new families Paralepistaceae and Pseudoomphalinaceae belong also to Tricholomatineae. The delimitation of the suborder Pleurotineae (= Schizophyllineae) is discussed and revised, accepting five distinct families within it, viz. Pleurotaceae, Cyphellopsidaceae, Fistulinaceae, Resupinataceae and Schizophyllaceae. The recently proposed suborder Phyllotopsidineae (= Sarcomyxineae) is found to encompass the families Aphroditeolaceae, Pterulaceae, Phyllotopsidaceae, Radulomycetaceae, Sarcomyxaceae (which includes Tectella), and Stephanosporaceae, all of them unrelated to Pleurotaceae (suborder Pleurotineae) or Typhulaceae (suborder Typhulineae). The new family Xeromphalinaceae, encompassing the genera Xeromphalina and Heimiomyces, is proposed within Marasmiineae. The suborder Hygrophorineae is here reorganized into the families Hygrophoraceae, Cantharellulaceae, Cuphophyllaceae, Hygrocybaceae and Lichenomphaliaceae, to homogenize the taxonomic rank of the main clades inside all suborders of Agaricales. Finally, the genus Hygrophorocybe is shown to represent a distinct clade inside Cuphophyllaceae, and the new combination H. carolinensis is proposed.

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Two new species of Sarcomyxa (Agaricales) from China

Cited by 2 publications

References 21 publications

Phylogenetic and taxonomic updates of Agaricales , with an emphasis on Tricholomopsis

Phylogenetic and taxonomic updates of Agaricales , with an emphasis on Tricholomopsis

Family matters inside the orderAgaricales: systematic reorganization and classification ofincertae sedisclitocyboid, pleurotoid and tricholomatoid taxa based on an updated 6-gene phylogeny

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