Abstract
Helicoma chiayiense sp. nov. and Helicosporium taiwanense sp. nov. on decaying wood submerged in a freshwater stream of Alishan area, Chiayi County, Taiwan, are described and illustrated with light and scanning electron micrographs. Helicoma chiayiense is distinct in having hyaline conidiophores arising from repent mycelium, producing broad conidia that bear secondary conidia. Helicosporium taiwanense is distinct in having robust poly-denticulate conidiophores producing conidia with a wide conidial filament. The phylogenetic relationship of these species was sought among representative taxa of the helicosporous hyphomycetes by comparing their ITS of the ribosomal DNA (rDNA).
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Acknowledgements
We would like to thank Mr. Jie-Hao Ou for his help in DNA isolation and phylogenetic analysis of our fungi. We are also grateful to Dr. Sung-Yuan Hsieh of Bioresource Collection and Research Centre at Hsinchu for his help in scanning electron microscopy.
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Section Editor: Kevin Hyde and Christiane Baschien
This article is part of the “Special Issue on Freshwater Ascomycota”.
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Kuo, CH., Goh, TK. Two new species of helicosporous hyphomycetes from Taiwan. Mycol Progress 17, 557–569 (2018). https://doi.org/10.1007/s11557-018-1384-7
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DOI: https://doi.org/10.1007/s11557-018-1384-7