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Issue: Vol. 767 No. 1: 16 Jul. 2026
Type: Article
Published: 2026-07-16
DOI: 10.11646/phytotaxa.767.1.7
Page range: 63-71
Abstract views: 26
PDF downloaded: 0

Coniophora heilongjiangensis (Coniophoraceae, Boletales), a new corticioid species from Northeast China

CAS Key Laboratory of Forest Ecology and Silviculture; Institute of Applied Ecology; Chinese Academy of Sciences; Shenyang 110164; P. R. China; University of the Chinese Academy of Sciences; Beijing 100049; P. R. China
CAS Key Laboratory of Forest Ecology and Silviculture; Institute of Applied Ecology; Chinese Academy of Sciences; Shenyang 110164; P. R. China
Fungi Basidiomycota brown rot fungi phylogeny temperate forest

Abstract

A new wood-inhabiting corticioid species, Coniophora heilongjiangensis (Coniophoraceae, Boletales), is described and illustrated from a mixed coniferous and broad-leaved forest in Heilongjiang Province, Northeast China, based on morphological characters combined with phylogenetic analyses of the internal transcribed spacer (ITS) and the nuclear large subunit rRNA (nLSU) regions. The new species is characterized by a combination of the following features: resupinate, membranaceous basidiomata with a smooth, pale gray to brownish gray hymenophore darkening in KOH; a monomitic hyphal system with simple-septate generative hyphae; the absence of cystidia; and ovoid, dextrinoid, cyanophilous basidiospores measuring 8.8–10.4 × 6.0–7.4 μm (L = 9.6 μm, W = 6.7 μm, Q = 1.43). Phylogenetic analyses of the combined ITS + nLSU dataset, inferred using Maximum Parsimony (MP), Maximum Likelihood (ML), and Bayesian inference (BI), recovered C. heilongjiangensis as sister to C. fusispora; however, the two species are readily distinguished by basidiospore shape and dimensions, basidial size, and hymenophore coloration. Morphological, phylogenetic, and ecological comparisons with the closely related species C. arida and C. hainanensis are also provided.

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How to Cite

Li, S.-A. & Yuan, H.-S. (2026) Coniophora heilongjiangensis (Coniophoraceae, Boletales), a new corticioid species from Northeast China. Phytotaxa 767 (1): 63–71. https://doi.org/10.11646/phytotaxa.767.1.7