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Two New Species of Ganoderma (Ganodermataceae, Basidiomycota) from Southwest China

Summary

This research describes two newly discovered species of mushrooms from Southwest China. These fungi belong to the genus Ganoderma, which includes many medicinally and ecologically important species. The findings help expand our understanding of fungal diversity in Asia. Impacts on everyday life: – Contributes to the documentation and preservation of global biodiversity – Helps identify potential new sources of medicinal compounds – Advances our understanding of wood-decay fungi that affect forest health – Provides new information for mushroom identification and classification – Supports conservation efforts in Southwest China’s ecosystems

Background

Ganoderma is a large and diverse genus containing fungi that cause white rot to infect a number of plant families. The genus is characterized by laccate or non-laccate basidiocarps, sessile to stipitate basidiomata, white to pale yellow margin, and red-brown colored truncate double-walled basidiospores. Currently, 191 species of Ganoderma have been described worldwide, with approximately 45 species recorded in Chinese Fungi.

Objective

This study aims to describe two new species of Ganoderma (G. phyllanthicola and G. suae) from Southwest China based on morphological and molecular evidence.

Results

The study revealed two new species: Ganoderma phyllanthicola and G. suae. G. phyllanthicola is characterized by dark brown to purplish black pileus surface with dense concentric furrows, pale yellow margin, irregular pileipellis cells, small pores and ellipsoid to sub-globose basidiospores. G. suae is characterized by reddish brown to oxblood red pileus surface, lead gray to greyish-white pore surface, heterogeneous context, wavy margin and almond-shaped to narrow ellipsoid basidiospores.

Conclusion

The two new species were confirmed through both morphological and molecular analyses. G. phyllanthicola formed a distinct lineage with G. castaneum, G. tropicum and G. philippii, while G. suae was sister to G. resinaceum. These findings contribute to the growing knowledge of Ganoderma species diversity in Southwest China.
  • Published in:MycoKeys,
  • Study Type:Taxonomic Study,
  • Source: 10.3897/mycokeys.106.121526
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