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Issue: Vol. 658 No. 3: 5 Jul. 2024
Type: Article
Published: 2024-07-05
DOI: 10.11646/phytotaxa.658.3.1
Page range: 227-239
Abstract views: 45
PDF downloaded: 0

A new corticioid fungus, Alloexidiopsis sinensis (Auriculariales, Basidiomycota), in China, evidenced by morphological characteristics and phylogenetic analyses

College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
Xianggelila Forestry and Grassland Bureau, Diqing, 674499, P.R. China
College of Forestry, Southwest Forestry University, Kunming 650224, P.R. China
1 new species Molecular systematics Taxonomy Wood-inhabiting fungi Yunnan Province Fungi

Abstract

Alloexidiopsis sinensis sp. nov. found in Yunnan Province, China, is described here as a new species based on its morphology and phylogeny. Alloexidiopsis sinensis is characterized by its membranaceous basidiomata with a grandinoid hymenophore and a monomitic hyphal system bearing generative hyphae with clamp connections and allantoid basidiospores measuring 14.5–23 × 4.5–6.5 µm. Phylogenetic analyses of the new species were based on the internal transcribed spacer (ITS) and large subunit (nLSU) of ribosomal DNA (rDNA) sequences. The phylogenetic analysis indicated that the new species belonged to the genus Alloexidiopsis, and was retrieved as a sister to A. nivea.

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