The genus Thaxterogaster (Cortinariaceae): phylogeny and species diversity in Western China

Thaxterogaster is the second largest genus within the family Cortinariaceae, comprising nearly two hundred species worldwide. However, the diversity of the genus in China remains largely unknown. Based on morphological evidence and phylogenetic inference of a five-locus dataset, one hundred twelve s...

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Bibliographic Details
Main Authors: Zi-Rui Wang, Song-Yan Zhou, Fei-Fei Liu, Zhu L. Yang
Format: Article
Language:English
Published: Taylor & Francis Group 2025-02-01
Series:Mycology
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Online Access:https://www.tandfonline.com/doi/10.1080/21501203.2024.2441178
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Summary:Thaxterogaster is the second largest genus within the family Cortinariaceae, comprising nearly two hundred species worldwide. However, the diversity of the genus in China remains largely unknown. Based on morphological evidence and phylogenetic inference of a five-locus dataset, one hundred twelve species belonging to seven subgenera and 23 sections of Thaxterogaster were analysed. We here describe 15 of those present in China, including 8 species new to science, namely T. crassimultiformis, T. lavendulaceus, T. flavocapitatus, T. pallidopurpurascens, T. atricapitatus, T. cupreus, T. sordidus, T. alboparvus, and 1 species new to China, viz. T. indopurpurascens. Two new combinations, Thaxterogaster subgenus Vibratiles and Thaxterogaster tenuipes, are further introduced. Taxonomic descriptions and a key to the species of Thaxterogaster in Western China are provided.
ISSN:2150-1203
2150-1211