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A new species of Physarum (Myxomycetes) from China
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Jiajia WANG1, 2, Xuefei LI1, 2, Zijie WANG3, Xinya YANG1, 2, Bo ZHANG1, 2, *, Yu LI1, 2, *
Mycosystema | 2026, 45(3) : 250282
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Mycosystema | 2026, 45(3): 250282
• Research paper •
A new species of Physarum (Myxomycetes) from China
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Jiajia WANG1, 2, Xuefei LI1, 2, Zijie WANG3, Xinya YANG1, 2, Bo ZHANG1, 2, *, Yu LI1, 2, *
Affiliations
  • 1 Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, College of Plant Protection, College of Mycology, Jilin Agricultural University, Changchun 130118, Jilin, China
  • 2 Industrial Development Institute for Plants, Animals and Fungi Integration of Biyang County, Biyang 463700, Henan, China
  • 3 Qiqihar First Middle School, Qiqihar 161005, Heilongjiang, China
Published: 2026-03-22 doi: 10.13346/j.mycosystema.250282
Outline
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Physarum subgalbeum sp. nov. is described through observation of integrated morphological characterization and multigene phylogenetic analyses (nrSSU, mtSSU, α-Tub, and COI). The life cycle of P. subgalbeum was investigated in water agar medium and microscopic structure formation at different stages during sporulation was observed. This species is similar to P. galbeum in having golden yellow sporocarps. However, it differs in that its sporocarps often fuse into clusters, the spore surface is densely covered with small spines, and the lime nodes are elongated fusiform. Phylogenetic analysis results indicate that P. subgalbeum forms an independent monophyletic clade and constitutes a sister group relationship with P. galbeum. The spore germination of P. subgalbeum is split type, the plasmodial type is of phaneroplasmodium and sporulation requires approximately 10-12 hours, with lime nodes and capillitium forming prior to spore maturation. A comprehensive morphological description, including detailed micrographs, results of phylogenetic analyses, as well as a thorough account of its life cycle accompanied by corresponding microscopic images are provided.

Myxomycetes  /  Physarum  /  morphology  /  phylogenetic analysis  /  ontogeny  /  new species
Jiajia WANG, Xuefei LI, Zijie WANG, Xinya YANG, Bo ZHANG, Yu LI. A new species of Physarum (Myxomycetes) from China[J]. Mycosystema, 2026 , 45 (3) : 250282 - . DOI: 10.13346/j.mycosystema.250282
Funding
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  • National Natural Science Foundation of China(32570017)
Appendix
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Year 2026 volume 45 Issue 3
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Article Info
doi: 10.13346/j.mycosystema.250282
  • Receive Date：2025-09-29
  • Online Date：2026-04-30
  • Published：2026-03-22
Article Data
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History
  • Received：2025-09-29
  • Accepted：2025-12-02
Funding
National Natural Science Foundation of China(32570017)
Affiliations
    1 Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, College of Plant Protection, College of Mycology, Jilin Agricultural University, Changchun 130118, Jilin, China
    2 Industrial Development Institute for Plants, Animals and Fungi Integration of Biyang County, Biyang 463700, Henan, China
    3 Qiqihar First Middle School, Qiqihar 161005, Heilongjiang, China

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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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