During a north–south latitudinal survey of aquatic fungi on submerged wood and herbaceous material in streams in the Asian region,we collected several hyphomycetous taxa.This paper is part of a series where we provid...During a north–south latitudinal survey of aquatic fungi on submerged wood and herbaceous material in streams in the Asian region,we collected several hyphomycetous taxa.This paper is part of a series where we provide illustrated accounts of these taxa and place them in a natural classification in the fungi.DNA sequence based phylogenies in recent literature have shown that Dendryphion,Sporidesmium and Torula-like species are polyphyletic in the phylum Ascomycota and their taxonomyhas been problematic due to a lack of understanding of the importance of morphological characters used to delimit taxa,as well as the lack of ex-type or reference strains.Based on multi-locus phylogenies together with morphology,we propose the novel family Distoseptisporaceae(Sordariomycetes)and three novel genera Neotorula(Pleosporales,Dothideomycetes),Distoseptispora(Sordariomycetes)and Pseudosporidesmium(Sordariomycetes).In addition,Dendryphion aquaticum,D.submersum,Distoseptispora fluminicola,D.aquatica,Kirschsteiniothelia submersa,Neotorula aquatica,Sporidesmium aquaticum,S.submersum and S.fluminicola are introduced as new species.Pseudosporidesmium knawiae comb.nov.is proposed to accommodate Sporidesmium knawiae in Sordariomycetes.The polyphyletic nature of Dendryphion,Sporidesmium and Torula-like species are partially resolved,but further sampling with fresh collections and molecular data of species are needed to obtain a natural classification.展开更多
基金HY Su thanks the National Natural Science Foundation of China(Project ID:31460015,31360013)Middleyounger academic leaders of candidate’s projects in Yunnan Province 2012HB-042 for the financial support to study freshwater fungi.DQ Zhou thanks the National Natural Science Foundation of China(Project ID:31160160)for financial support.K.D.Hyde is Visiting Professor at King Saud University.
文摘During a north–south latitudinal survey of aquatic fungi on submerged wood and herbaceous material in streams in the Asian region,we collected several hyphomycetous taxa.This paper is part of a series where we provide illustrated accounts of these taxa and place them in a natural classification in the fungi.DNA sequence based phylogenies in recent literature have shown that Dendryphion,Sporidesmium and Torula-like species are polyphyletic in the phylum Ascomycota and their taxonomyhas been problematic due to a lack of understanding of the importance of morphological characters used to delimit taxa,as well as the lack of ex-type or reference strains.Based on multi-locus phylogenies together with morphology,we propose the novel family Distoseptisporaceae(Sordariomycetes)and three novel genera Neotorula(Pleosporales,Dothideomycetes),Distoseptispora(Sordariomycetes)and Pseudosporidesmium(Sordariomycetes).In addition,Dendryphion aquaticum,D.submersum,Distoseptispora fluminicola,D.aquatica,Kirschsteiniothelia submersa,Neotorula aquatica,Sporidesmium aquaticum,S.submersum and S.fluminicola are introduced as new species.Pseudosporidesmium knawiae comb.nov.is proposed to accommodate Sporidesmium knawiae in Sordariomycetes.The polyphyletic nature of Dendryphion,Sporidesmium and Torula-like species are partially resolved,but further sampling with fresh collections and molecular data of species are needed to obtain a natural classification.
