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Issue: Vol. 783 No. 2: 4 Nov. 2026
Type: Article
Published: 2026-11-04
DOI: 10.11646/phytotaxa.783.2.3
Page range: 137-148
Abstract views: 44
PDF downloaded: 2

Morphological characteristics and phylogenetic analysis reveal a new wood-inhabiting fungus, Hyphoderma farinaceum from southwest China

Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource; Southwest Forestry University; Kunming 650224; P.R. China; College of Forestry; Southwest Forestry University; Kunming 650224; P.R. China
Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource; Southwest Forestry University; Kunming 650224; P.R. China; College of Forestry; Southwest Forestry University; Kunming 650224; P.R. China
Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource; Southwest Forestry University; Kunming 650224; P.R. China; College of Forestry; Southwest Forestry University; Kunming 650224; P.R. China
Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource; Southwest Forestry University; Kunming 650224; P.R. China; College of Forestry; Southwest Forestry University; Kunming 650224; P.R. China
Yunnan Provincial Key Laboratory for Conservation and Utilization of In-forest Resource; Southwest Forestry University; Kunming 650224; P.R. China; College of Forestry; Southwest Forestry University; Kunming 650224; P.R. China; Yunnan Key Laboratory for Fungal Diversity and Green Development; Kunming Institute of Botany; Chinese Academy of Sciences; Kunming 650201; Yunnan; China
Fungi Biodiversity taxonomy wood decaying fungi Yunnan Province

Abstract

Wood-inhabiting fungi serve essential functions as decomposers within forest ecosystems. This study describes and illustrates a new wood-inhabiting fungus, Hyphoderma farinaceum, based on morphological characteristics and phylogenetic analyses. Hyphoderma farinaceum is distinguished by resupinate, membranaceous basidiomata with a farinaceous hymenial surface, a monomitic hyphal system with generative hyphae bearing clamp connections, and cylindrical basidiospores measuring 7.5–12 × 3.5–4.5 µm. Internal transcribed spacer (ITS) and nuclear large subunit (nLSU) sequences were obtained from the examined specimens, and phylogenetic analyses were conducted using Maximum Likelihood and Bayesian Inference methods. The results indicate that this species belongs to Hyphoderma and is closely related to H. fulgens. Detailed descriptions, illustrations, and phylogenetic analysis results are presented. This finding broadens the recognized diversity of Hyphoderma in subtropical China and enhances understanding of phylogenetic relationships within the genus.

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How to Cite

Zhao, W., Yuan, Q., Yang, J., Zhang, X. & Zhao, C. (Charlie) (2026) Morphological characteristics and phylogenetic analysis reveal a new wood-inhabiting fungus, Hyphoderma farinaceum from southwest China. Phytotaxa 783 (2): 137–148. https://doi.org/10.11646/phytotaxa.783.2.3