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The addition of six novel species and a new record of Amphisphaeria from northern Thailand

Summary

Scientists discovered six new species of fungi belonging to the genus Amphisphaeria in northern Thailand. These fungi were found growing on dead tree twigs from various plant species. The researchers used both microscopic examination and genetic analysis to identify and describe these new species, expanding our knowledge of fungal diversity in tropical regions.

Background

Amphisphaeria is a fungal genus within the family Amphisphaeriaceae, characterized by immersed, clypeate, and ostiolate ascomata. Members are saprobic on woody plant materials in diverse geographical regions. Further taxonomic studies of this genus are essential given its widespread nature and diverse lifestyles.

Objective

This study aims to examine the taxonomy, lifestyle, ecological roles, and distribution of Amphisphaeria species in northern Thailand. Six novel Amphisphaeria species were introduced based on morphological and phylogenetic analyses of fungi isolated from dead twigs of various plant families.

Results

Six novel Amphisphaeria species (A. mesuae, A. mimusopis, A. paraserianthis, A. pseudomicheliae, A. pterocarpi, and A. schimae) were identified from dead twigs of Calophyllaceae, Fabaceae, Sapotaceae, and Theaceae families. A new host record of A. micheliae on Senna siamea was also documented. Phylogenetic analyses confirmed taxonomic placements through combined nuclear ribosomal LSU and ITS sequence matrices.

Conclusion

This study expands the taxonomic framework of Amphisphaeria through morpho-phylogenetic characterization of six new species discovered in northern Thailand. The findings contribute to understanding the biodiversity and distribution of Amphisphaeria species and their ecological roles in woody twig decomposition.
  • Published in:MycoKeys,
  • Study Type:Descriptive/Taxonomic Study,
  • Source: 10.3897/mycokeys.125.163523, PMID: 41281974
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