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Volume 12
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10.3390/jof12060433
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Article

Four New Species of Sistotrema (Hydnaceae, Cantharellales) from China

by
Yu-Jin Cui
1,
Jian-Zhao Qi
2,
Guang-Yu Zeng
1,3,
Rui Xing
4,
Ying-Da Wu
5,
Yu-Cheng Dai
1,
Heng Zhao
1,6 and
Yuan Yuan
1,*
1
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
2
Center of Edible Fungi, Northwest A&F University, Xianyang 712100, China
3
Guangxi Forestry Science Research Institute, Nanning 530002, China
4
Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
5
Key Laboratory of Ministry of Emergency Management for Forest and Grassland Fire Risk Prevention, China Fire and Rescue Institute, Beijing 102202, China
6
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
*
Author to whom correspondence should be addressed.
J. Fungi 2026, 12(6), 433; https://doi.org/10.3390/jof12060433 (registering DOI)
Submission received: 13 April 2026 / Revised: 2 June 2026 / Accepted: 10 June 2026 / Published: 13 June 2026
(This article belongs to the Special Issue Taxonomy, Phylogeny, and Ecology of Fungi from Different Ecological Niches)
Versions Notes

Abstract

Wood-inhabiting fungi play important ecological roles in forest ecosystems by participating in wood decomposition and nutrient cycling and represent a highly diverse group within Basidiomycota. In this study, four new wood-inhabiting species of Sistotrema from China are described and illustrated based on morphological examination and phylogenetic analyses of ITS, nLSU, nuc-SSU, and RPB2 sequence data. Sistotrema armandii is characterized by a hypochnoid hymenial surface, ventricose to suburniform basidia, and long sterigmata. Sistotrema caeruleogriseum is separated by its slightly tuberculate hymenial surface, subclavate to suburniform basidia with 4-sterigmata, and subglobose to globose basidiospores. Sistotrema luteum is typified by angular to irregular pores, thin and slightly fimbriate dissepiments, and globose basidiospores. Sistotrema tenuissimum is distinguished by a farinaceous hymenial surface, a monomitic hyphal system with thin- to slightly thick-walled generative hyphae, and barrel-shaped to suburniform basidia with 4 or 6 long sterigmata. The four new species and their phylogenetically related and morphologically similar species are discussed. This study expands the current knowledge of species diversity and phylogenetic relationships within the genus Sistotrema in China.
Keywords: new species; taxonomy; wood-decaying fungi; corticioid; poroid new species; taxonomy; wood-decaying fungi; corticioid; poroid

Share and Cite

MDPI and ACS Style

Cui, Y.-J.; Qi, J.-Z.; Zeng, G.-Y.; Xing, R.; Wu, Y.-D.; Dai, Y.-C.; Zhao, H.; Yuan, Y. Four New Species of Sistotrema (Hydnaceae, Cantharellales) from China. J. Fungi 2026, 12, 433. https://doi.org/10.3390/jof12060433

AMA Style

Cui Y-J, Qi J-Z, Zeng G-Y, Xing R, Wu Y-D, Dai Y-C, Zhao H, Yuan Y. Four New Species of Sistotrema (Hydnaceae, Cantharellales) from China. Journal of Fungi. 2026; 12(6):433. https://doi.org/10.3390/jof12060433

Chicago/Turabian Style

Cui, Yu-Jin, Jian-Zhao Qi, Guang-Yu Zeng, Rui Xing, Ying-Da Wu, Yu-Cheng Dai, Heng Zhao, and Yuan Yuan. 2026. "Four New Species of Sistotrema (Hydnaceae, Cantharellales) from China" Journal of Fungi 12, no. 6: 433. https://doi.org/10.3390/jof12060433

APA Style

Cui, Y.-J., Qi, J.-Z., Zeng, G.-Y., Xing, R., Wu, Y.-D., Dai, Y.-C., Zhao, H., & Yuan, Y. (2026). Four New Species of Sistotrema (Hydnaceae, Cantharellales) from China. Journal of Fungi, 12(6), 433. https://doi.org/10.3390/jof12060433

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