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Issue: Vol. 606 No. 1: 26 Jul. 2023
Type: Article
Published: 2023-07-26
DOI: 10.11646/phytotaxa.606.1.2
Page range: 16-28
Abstract views: 153
PDF downloaded: 15

Panellus microspermus sp. nov. (Agaricales, Basidiomycota) evidenced by the morphological characters and molecular phylogeny

College of Architecture and Urban Planning; Chongqing Jiaotong University; Chongqing 400074; China
Institute of Microbiology; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
College of Architecture and Urban Planning; Tongji University; Shanghai 200092; China
Fungi Mycenaceae phylogeny taxonomy wood-decaying fungi

Abstract

Panellus microspermus sp. nov. is described and illustrated from Guizhou Province, southwest China, based on morphology and molecular phylogenetic analyses. It is characterized by pileate, subgelatinous basidiomata with lamellate hymenophore, a lateral rudimentary stipe, cream to pale buff pileus with finely chalky pruinose surface, gelatinous context and lamellae, a monomitic hyphal system, and ellipsoid basidiospores measuring 2.5–3.2 × 1.5–2 μm. The phylogenetic analysis based on ITS + nLSU rDNA sequences shows that the new species belongs to Panellus, forming a monophyletic lineage with strong support (ML = 100, BPP = 1). Both morphological and molecular characters confirm the placement of the new species in Panellus.

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