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Issue: Vol. 689 No. 1: 20 Feb. 2025
Type: Article
Published: 2025-02-20
DOI: 10.11646/phytotaxa.689.1.3
Page range: 27-39
Abstract views: 146
PDF downloaded: 142

Molecular phylogeny and morphology reveal a new species of Exidia (Auriculariaceae, Auriculariales) from Yunnan Province, China

Department of Edible Fungi, Institute of Biology, Gansu Academy of Sciences, Lanzhou 730000, P.R. China. College of Horticulture, Gansu Agricultural University, Lanzhou 730000, P.R. China.
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
Yunnan Wumeng Mountains National Nature Reserve, Zhaotong 657000, P.R. China
Yunnan Key Laboratory of Gastrodia and Fungal Symbiotic Biology, Zhaotong University, Zhaotong 657000, P.R. China
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
Department of Edible Fungi, Institute of Biology, Gansu Academy of Sciences, Lanzhou 730000, P.R. China. College of Horticulture, Gansu Agricultural University, Lanzhou 730000, P.R. China.
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China. Yunnan Key Laboratory of Gastrodia and Fungal Symbiotic Biology, Zhaotong University, Zhaotong 657000, P.R. China.
Biodiversity corticioid fungi molecular systematic taxonomy Fungi

Abstract

In this study, Exidia punctata is described and illustrated as a novel species based on morphological characteristics and phylogenetic analyses of internal transcribed spacer (ITS) regions and the large subunit (nLSU) of nuclear ribosomal RNA genes. The species is characterized by smooth, membranaceous, cushion-shaped basidiomata with white to cream hymenial surface, and narrowly cylindrical to allantoid basidiospores (13–15.5 × 5–6.5 µm). The phylogenetic tree inferred from ITS+nLSU sequences revealed that the new species was nested into the genus Exidia within the family Auriculariaceae, in which it grouped with the clade comprising E. glandulosa, E. pithya, E. reflexa and E. subglandulosa.

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How to Cite

Jiang, Y., Wang, L., Zhou, C., Shen, K., Zhang, S., Yang, A. & Zhao, C. (2025) Molecular phylogeny and morphology reveal a new species of Exidia (Auriculariaceae, Auriculariales) from Yunnan Province, China. Phytotaxa 689 (1): 27–39. https://doi.org/10.11646/phytotaxa.689.1.3