Journal
MYCOKEYS
Volume -, Issue 51, Pages 29-53Publisher
PENSOFT PUBL
DOI: 10.3897/mycokeys.51.31957
Keywords
Stachybotryaceae; soil fungi; turfgrass disease; multi-locus phylogeny; cup-shaped sporodochia
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Funding
- National Natural Science Foundation of China [NSFC 31600405]
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Myrothecium sensu lato includes a group of fungal saprophytes and weak pathogens with a worldwide distribution. Myrothecium s.l. includes 18 genera, such as Myrothecium, Septomyrothecium, Myxospora, all currently included in the family Stachybotryaceae. In this study, we identified 84 myrothecium-like strains isolated from turfgrasses and their rhizosphere. Five new species, i.e., Alfaria poae, Alf. humicola, Dimorphiseta acute, D. obtuse, and Paramyrothecium sinense, are described based on their morphological and phylogenetic distinctions. Phylogenies were inferred based on the analyses of sequences from four DNA loci (ITS, cmdA, rpb2 and tub2). The generic concept of Dimorphiseta is broadened to include a third type of seta, i.e. thin-walled, straight with obtuse apices.
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