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August 21, 2025MycoKeys0 citationsOpen Access

Species diversity and systematic taxonomy of Sarcosomataceae (Ascomycota, Pezizales), with an emphasis on subtropical regions of China

Key Points

Six lignicolous species of Sarcosomataceae were identified in subtropical China, revealing significant diversity.
Four novel taxa were described, alongside two new distribution records, enhancing the known species catalogue.
Molecular phylogenetic analyses were conducted using five molecular loci to support the taxonomy of the identified species.
These findings highlight the rich biodiversity in subtropical China, warranting further ecological research.

Abstract

The aim of this study is to update the species diversity of Sarcosomataceae in subtropical China. Taxonomic and phylogenetic studies were carried out through ecological observation, morphological examination, and molecular phylogenetic analyses inferred from five molecular loci (ITS + nrLSU + rpb1 + rpb2 + tef1-α ). By using Bayesian inference (BI) and maximum likelihood (ML) methods, six lignicolous species were identified, including four novel taxa: Plectania damingshanensis sp. nov. , Plectania huapingensis sp. nov. , Pseudoplectania aureonigrescens sp. nov. , and Urnula auricularioides sp. nov. ; and two new distribution records: Plectania lutea and Urnula ailaoshanensis . Keys to species of Plectania , Pseudoplectania , and Urnula were provided.

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