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Keywords = Distoseptisporaceae

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25 pages, 4815 KiB  
Article
Six Novel Species of Distoseptispora (Distoseptisporaceae, Distoseptisporales) and Helminthosporium (Massarinaceae, Pleosporales) Isolated from Terrestrial Habitats in Southern China
by Ming-Gen Liao, Xing-Xing Luo, Ji-Wen Xia, Ya-Fen Hu, Xiu-Guo Zhang, Lian-Hu Zhang, Xian-Peng Zhang, Zhao-Huan Xu and Jian Ma
J. Fungi 2025, 11(7), 494; https://doi.org/10.3390/jof11070494 - 29 Jun 2025
Viewed by 433
Abstract
Saprobic hyphomycetous fungi exhibit high colonization density and diversity on rotting woody plant material. During our continuing mycological research in the forest ecosystem of Jiangxi, Fujian and Zhejiang provinces, China, several Distoseptispora-like and Helminthosporium-like strains were isolated from unidentified dead branches [...] Read more.
Saprobic hyphomycetous fungi exhibit high colonization density and diversity on rotting woody plant material. During our continuing mycological research in the forest ecosystem of Jiangxi, Fujian and Zhejiang provinces, China, several Distoseptispora-like and Helminthosporium-like strains were isolated from unidentified dead branches in terrestrial habitats. Based on morphological comparisons and multi-locus phylogenetic analyses using maximum-likelihood (ML) and Bayesian inference (BI), six novel species of Distoseptispora (D. terrestris, D. wuyishanensis, D. zhejiangensis) and Helminthosporium (H. ganzhouense, H. jiangxiense, H. saprophyticum) were introduced, and one known species, H. velutinum was reported. The species diversity within Distoseptispora and Helminthosporium was supplemented in this study. Full article
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20 pages, 2216 KiB  
Article
Morphological and Phylogenetic Analyses Reveal Three New Species of Distoseptispora (Distoseptisporaceae, Distoseptisporales) from Yunnan, China
by Jingwen Liu, Yafen Hu, Xingxing Luo, Zhaohuan Xu, Rafael F. Castañeda-Ruíz, Jiwen Xia, Xiuguo Zhang, Lianhu Zhang, Ruqiang Cui and Jian Ma
J. Fungi 2023, 9(4), 470; https://doi.org/10.3390/jof9040470 - 14 Apr 2023
Cited by 8 | Viewed by 2539
Abstract
Three new species of Distoseptispora, viz. D. mengsongensis, D. nabanheensis, and D. sinensis, are described and illustrated from specimens collected on dead branches of unidentified plants in Yunnan Province, China. Phylogenetic analyses of LSU, ITS, and [...] Read more.
Three new species of Distoseptispora, viz. D. mengsongensis, D. nabanheensis, and D. sinensis, are described and illustrated from specimens collected on dead branches of unidentified plants in Yunnan Province, China. Phylogenetic analyses of LSU, ITS, and TEF1 sequence data, using maximum-likelihood (ML) and Bayesian inference (BI), reveal the taxonomic placement of D. mengsongensis, D. nabanheensis, and D. sinensis within Distoseptispora. Both morphological observations and molecular phylogenetic analyses supported D. mengsongensis, D. nabanheensis, and D. sinensis as three new taxa. To extend our knowledge of the diversity of Distoseptispora-like taxa, a list of recognized species of Distoseptispora with major morphological features, habitat, host, and locality is also provided. Full article
(This article belongs to the Special Issue Phylogeny and Taxonomy of Ascomycete Fungi)
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30 pages, 19692 KiB  
Article
Polyphasic Identification of Distoseptispora with Six New Species from Fresh Water
by Huang Zhang, Rong Zhu, Yun Qing, Hao Yang, Chunxue Li, Gennuo Wang, Di Zhang and Ping Ning
J. Fungi 2022, 8(10), 1063; https://doi.org/10.3390/jof8101063 - 10 Oct 2022
Cited by 20 | Viewed by 3265
Abstract
Twelve new specimens of sporidesmium-like taxa were collected from freshwater habitats in China and Thailand. Phylogenetic analysis of nuc 28S rDNA (LSU), internal transcribed spacer (ITS), translation elongation factor 1-alpha (TEF1-α) and second-largest subunit of RNA polymerase II (RPB2) [...] Read more.
Twelve new specimens of sporidesmium-like taxa were collected from freshwater habitats in China and Thailand. Phylogenetic analysis of nuc 28S rDNA (LSU), internal transcribed spacer (ITS), translation elongation factor 1-alpha (TEF1-α) and second-largest subunit of RNA polymerase II (RPB2) sequence data, combined with morphological data, revealed that they are Distoseptispora species. Among them, six new species, including D. aqualignicola, D. aquamyces, D. crassispora, D. curvularia, D. nonrostrata and D. pachyconidia, are introduced. Two new combinations, D. adscendens and D. leonensis, are transferred from Ellisembia. A new habitat and geographical record are reported for D. clematidis, collected from a freshwater habitat in China. New RPB2 sequence data for D. dehongensis are provided. Full article
(This article belongs to the Special Issue Polyphasic Identification of Fungi)
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23 pages, 4190 KiB  
Article
Morphological Variety in Distoseptispora and Introduction of Six Novel Species
by Jing Yang, Ling-Ling Liu, E. B. Gareth Jones, Wen-Li Li, Kevin D. Hyde and Zuo-Yi Liu
J. Fungi 2021, 7(11), 945; https://doi.org/10.3390/jof7110945 - 9 Nov 2021
Cited by 30 | Viewed by 3404
Abstract
Distoseptispora is one of the sporidesmium-like taxa with great variation in asexual morphology and delineation of species. Phylogenetic analyses of four gene regions LSU, ITS, TEF1α, and RPB2 revealed the placement of several sporidesmium-like species in Distoseptispora (Distoseptisporaceae, Distoseptisporales, [...] Read more.
Distoseptispora is one of the sporidesmium-like taxa with great variation in asexual morphology and delineation of species. Phylogenetic analyses of four gene regions LSU, ITS, TEF1α, and RPB2 revealed the placement of several sporidesmium-like species in Distoseptispora (Distoseptisporaceae, Distoseptisporales, Sordariomycetes), collected on submerged decaying twigs from streams in China and Thailand. Based on morphological examination and molecular DNA data, six new species, Distoseptispora amniculi, D. atroviridis, D. effusa, D. fusiformis, D. hyalina, and D. verrucosa, are proposed. Among them, D. hyalina is the first sexual morph confirmed in the genus. A new geographical record is reported for D. lignicola in China. Conidial length proved to be of less taxonomic significance for some Distoseptispora species, whereas the type of conidial septa is informative at species level. Full article
(This article belongs to the Special Issue Fungal Biodiversity and Ecology 2.0)
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