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Published: 2022-01-06

New species, Parahelicomyces yunnanensis sp. nov. and Tubeufia nigroseptum sp. nov. from freshwater habitats in Yunnan, China

College of Agriculture and Biological Sciences, Dali University, Dali 671003, Yunnan, P.R. China
College of Agriculture and Biological Sciences, Dali University, Dali 671003, Yunnan, P.R. China; Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
College of Agriculture and Biological Sciences, Dali University, Dali 671003, Yunnan, P.R. China; Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
School of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang 550025, Guizhou, P.R. China
College of Agriculture and Biological Sciences, Dali University, Dali 671003, Yunnan, P.R. China
College of Agriculture and Biological Sciences, Dali University, Dali 671003, Yunnan, P.R. China
2 new species Freshwater fungi Helicosporous hyphomycetes Phylogeny Taxonomy Fungi


Diversity of lignicolous freshwater fungi in northwestern Yunnan, China is currently being studied. Four fresh collections of tubeufiaceous taxa were collected and identified. Among of them, Parahelicomyces yunnanensis sp. nov and Tubeufia nigroseptum sp. nov. are introduced as new species based on morphology and molecular phylogenetic analysis of combined ITS, SSU, TEF1-α and RPB2 sequence data. The detailed descriptions and illustrations of the new species are provided, as well as the morphological comparison with similar taxa are discussed. Two strains of Neohelicomyces aquaticus and Tubeufia cylindrothecia are provided.


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