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Issue: Vol. 773 No. 2: 8 Sept. 2026
Type: Article
Published: 2026-09-08
DOI: 10.11646/phytotaxa.773.2.2
Page range: 119-133
Abstract views: 85
PDF downloaded: 2

Molecular phylogeny and morphology reveal a new species, Heterocorticium cremeum (Auriculariaceae, Auriculariales) from China

State Key Laboratory of Efficient Production of Forest Resources; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
State Key Laboratory of Efficient Production of Forest Resources; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
State Key Laboratory of Efficient Production of Forest Resources; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
State Key Laboratory of Efficient Production of Forest Resources; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
State Key Laboratory of Efficient Production of Forest Resources; School of Ecology and Nature Conservation; Beijing Forestry University; Beijing 100083; China
Fungi Heterocorticium Taxonomy Phylogeny Wood-inhabiting fungi

Abstract

In this study, a new species, Heterocorticium cremeum, is proposed based on morphological features and molecular evidence. The new species is characterized by resupinate, membranaceous to slightly coriaceous basidiomata with a smooth to slightly uneven and white to cream hymenial surface, a monomitic hyphal system composed of clamped generative hyphae, longitudinally septate basidia, and allantoid basidiospores (9.6–12.0 × 4.2–5.2 µm). Phylogenetic analyses of ITS+nLSU sequences revealed that the new species formed a strongly supported monophyletic lineage that is closely related to H. niveomarginatum and H. latisporum. Detailed morphological descriptions, illustrations, and phylogenetic analysis results of the new species are provided.

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How to Cite

Xu, J.-Y., Li, W.-Y., Guan, Q.-X., Liu, S.-B. & Wu, F. (2026) Molecular phylogeny and morphology reveal a new species, Heterocorticium cremeum (Auriculariaceae, Auriculariales) from China. Phytotaxa 773 (2): 119–133. https://doi.org/10.11646/phytotaxa.773.2.2