期刊
JOURNAL OF FUNGI
卷 9, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/jof9020280
关键词
Ascomycota; asexual fungi; Dothideomycetes; multi-locus phylogeny; taxonomy
Three new Helminthosporium species, H. guanshanense sp. nov., H. jiulianshanense sp. nov. and H. meilingense sp. nov., were discovered in southern China through morphological and molecular phylogenetic analyses. These species were found on dead branches of unidentified plants and were identified as independent taxa within Helminthosporium based on both molecular and morphological data.
Saprobic hyphomycetes are highly diverse on plant debris. Over the course of our mycological surveys in southern China, three new Helminthosporium species, H. guanshanense sp. nov., H. jiulianshanense sp. nov. and H. meilingense sp. nov., collected on dead branches of unidentified plants, were introduced by morphological and molecular phylogenetic analyses. Multi-loci (ITS, LSU, SSU, RPB2 and TEF1) phylogenetic analyses were performed using maximum-likelihood and Bayesian inference to infer their taxonomic positions within Massarinaceae. Both molecular analyses and morphological data supported H. guanshanense, H. jiulianshanense and H. meilingense as three independent taxa within Helminthosporium. A list of accepted Helminthosporium species with major morphological features, host information, locality and sequence data was provided. This work expands our understanding of the diversity of Helminthosporium-like taxa in Jiangxi Province, China.
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