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Proliferodiscus inspersus var. magniascus and Rodwayella citrinula, Two Unrecorded Taxa of Hyaloscyphaceae (Tribe Arachnopezizeae) in Korea

Summary

This research documented two previously unknown species of microscopic fungi in Korea. These fungi play important roles as decomposers in natural ecosystems. The study expands our understanding of fungal diversity in Asia. Impacts on everyday life: • Helps track biodiversity changes that could affect ecosystem health • Contributes to understanding decomposition processes in nature • Advances knowledge of Asian fungal species distribution • Supports conservation efforts through better species documentation • Aids in identifying potential new species for biotechnology applications

Background

Hyaloscyphaceae is a worldwide fungal family characterized by small apothecia with variously shaped marginal and lateral hairs. They act as decomposers of organic substrates like decaying woods, dead branches, and fallen leaves. In Korea, diversity studies of this family have been limited, with only 26 species in 14 genera reported prior to this study.

Objective

To document and describe two previously unrecorded taxa of the tribe Arachnopezizeae (Hyaloscyphaceae) in Korea: Proliferodiscus inspersus var. magniascus and Rodwayella citrinula.

Results

Two taxa were identified as new records for Korea: Proliferodiscus inspersus var. magniascus and Rodwayella citrinula. P. inspersus var. magniascus was distinguished by its proliferating apothecia, amyloid asci, and larger asci size. R. citrinula was characterized by yellowish apothecia, elliptic-fusoid ascospores, and its growth on grass substrates.

Conclusion

This study documents two previously unrecorded fungal taxa in Korea, expanding the known diversity of Hyaloscyphaceae in the region. The findings suggest P. inspersus var. magniascus may have a restricted distribution in Eastern Asia, while R. citrinula represents the first record of both species and genus in Korea.
  • Published in:Mycobiology,
  • Study Type:Taxonomic Survey,
  • Source: 10.5941/MYCO.2014.42.1.86
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