4.5 Article

Morphology and multigene phylogeny reveal ten novel taxa in Ascomycota from terrestrial palm substrates (Arecaceae) in Thailand

Journal

MYCOSPHERE
Volume 14, Issue 1, Pages 107-152

Publisher

MYCOSPHERE PRESS
DOI: 10.5943/mycosphere/14/1/2

Keywords

10 new taxa; Dothideomycetes; palm fungi; phylogeny; saprobe; Sordariomycetes; taxonomy; Thai fungi

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This study investigated fungi associated with terrestrial palms in Thailand and identified fungal taxa belonging to several orders using morphological characteristics and phylogenetic analysis. A new genus Triseptatospora and nine new species were described and introduced. The study provides morphological illustrations, descriptions, and phylogenetic trees to support the taxonomic placement of the new taxa.
Arecaceae is one of the important plant families in Thailand, and several of its representative genera are used for food, cosmetics, and energy sources. During the past eight years (2014 to 2022), more than 50 new taxa associated with terrestrial palm substrates have been reported in Thailand. The present study continued the survey of fungi associated with terrestrial palms in Thailand and based on both morphological characteristics and phylogenetic analyses of combined sequence data, fungal taxa belonging to the orders Amphisphaeriales, Diaporthales, Distoseptisporales, Glomerellales, Pleosporales, and Xylariales were identified. A new genus Triseptatospora and nine new species viz., Acremoniisimulans cocois, Acrocalymma arengae, Bartalinia adonidiae, Cytospora calamicola, Distoseptispora licualae, Neopestalotiopsis elaeidis, Pteridiospora arengae, Triseptatospora calami, and Xenoanthostomella calami are described and introduced here. Morphological illustrations, descriptions, and phylogenetic trees which indicate the placement of the new taxa are provided.

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