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Peer-reviewedCC BYMycoKeys

Two new species of Hygrocybe subg. Hygrocybe (Hygrophoraceae, Agaricales) from southeast China.

  • Dong-Yang Xu1,2,3
  • Xiao-Chen Hu1
  • Xie Wu4
  • Jia Liu2
  • Jian-Ping Zhou1,2,3
  • Ming-Hui Chen1,2,3
  • Zhi-Jun Zhai1,2,3
  • Jun-En Huang1,2,3
  • Chen-Wei Liu5
  • Hai-Yan Song1,2,3
  • Dian-Ming Hu1,2,3
5 affiliations
  1. 1Bioengineering and Technological Research Centre for Edible and Medicinal Fungi, Jiangxi Agricultural University, Nanchang 330045, China Bioengineering and Technological Research Centre for Edible and Medicinal Fungi, Jiangxi Agricultural University Nanchang China https://ror.org/00dc7s858.
  2. 2Nanchang Key Laboratory of Edible and Medicinal Fungi, Jiangxi Agricultural University, Nanchang 330045, China Nanchang Key Laboratory of Edible and Medicinal Fungi, Jiangxi Agricultural University Nanchang China https://ror.org/00dc7s858.
  3. 3Jiangxi Provincial Key Laboratory of Excavation and Utilization of Agricultural Microorganisms, Nanchang 330045, China Jiangxi Provincial Key Laboratory of Excavation and Utilization of Agricultural Microorganisms Nanchang China.
  4. 4Department of Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou, 515063, China Department of Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology Shantou China https://ror.org/04rctme81.
  5. 5Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment Nanjing China https://ror.org/05ycd7562.
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Abstract

The genus Hygrocybe is a species-rich group of macrofungi widely distributed across the world; however, species within this genus show high morphological variability and significant regional differences, and taxonomic revisions are ongoing. In this study, based on specimens from Anhui and Jiangxi provinces, China, we describe two previously unreported species, Hygrocybe zhibaiensis and H. longchuanensis, using morphological studies and phylogenetic analyses based on internal transcribed spacer (ITS) and large subunit ribosomal (LSU) sequences. Hygrocybe zhibaiensis is characterized by viscid basidiomata, a greenish pileus, a stipe that is bright yellow at the apex and gradually fades to white downwards, and basidiomata that turn black upon bruising or with age; H. longchuanensis is characterized by a bright red pileus at the center with an orange-yellow margin, a viscid surface, and an orange-yellow to yellow stipe, Basidiospores ellipsoid to subglobose, no clamp connections. This discovery enriches the diversity of Hygrocybe in southeastern China and contributes to the taxonomic research of this genus.

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Cite

BibTeXRIS
BibTeX
@article{xu2026species,
  title = {{Two new species of Hygrocybe subg. Hygrocybe (Hygrophoraceae, Agaricales) from southeast China.}},
  author = {Dong-Yang Xu and Xiao-Chen Hu and Xie Wu and Jia Liu and Jian-Ping Zhou and Ming-Hui Chen and Zhi-Jun Zhai and Jun-En Huang and Chen-Wei Liu and Hai-Yan Song and Dian-Ming Hu},
  journal = {MycoKeys},
  year = {2026},
  month = oct,
  doi = {10.3897/mycokeys.142.209944},
  url = {https://europepmc.org/article/MED/42959748},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Two new species of Hygrocybe subg. Hygrocybe (Hygrophoraceae, Agaricales) from southeast China.
AU  - Dong-Yang Xu
AU  - Xiao-Chen Hu
AU  - Xie Wu
AU  - Jia Liu
AU  - Jian-Ping Zhou
AU  - Ming-Hui Chen
AU  - Zhi-Jun Zhai
AU  - Jun-En Huang
AU  - Chen-Wei Liu
AU  - Hai-Yan Song
AU  - Dian-Ming Hu
PY  - 2026
DA  - 2026/10/21
JO  - MycoKeys
DO  - 10.3897/mycokeys.142.209944
UR  - https://europepmc.org/article/MED/42959748
AB  - The genus Hygrocybe is a species-rich group of macrofungi widely distributed across the world; however, species within this genus show high morphological variability and significant regional differences, and taxonomic revisions are ongoing. In this study, based on specimens from Anhui and Jiangxi provinces, China, we describe two previously unreported species, Hygrocybe zhibaiensis and H. longchuanensis, using morphological studies and phylogenetic analyses based on internal transcribed spacer (ITS) and large subunit ribosomal (LSU) sequences. Hygrocybe zhibaiensis is characterized by viscid basidiomata, a greenish pileus, a stipe that is bright yellow at the apex and gradually fades to white downwards, and basidiomata that turn black upon bruising or with age; H. longchuanensis is characterized by a bright red pileus at the center with an orange-yellow margin, a viscid surface, and an orange-yellow to yellow stipe, Basidiospores ellipsoid to subglobose, no clamp connections. This discovery enriches the diversity of Hygrocybe in southeastern China and contributes to the taxonomic research of this genus.
SN  - 1314-4057
SN  - 1314-4049
ER  -