Journal
MYCOLOGICAL PROGRESS
Volume 20, Issue 2, Pages 169-190Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11557-020-01663-8
Keywords
Freshwater fungi; Helicosporous hyphomycetes; Mitosporic fungi; Taxonomy; Tubeufiaceae
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Funding
- Ministry of Science and Technology of Taiwan [108-2621-B-415-001]
- Ministry of Economic Affairs of Taiwan [109EC-17-A-22-0525]
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This study describes and illustrates five species of Helicosporium fungi from freshwater streams in Taiwan, including two new species and several new records. A taxonomic key to Helicosporium sensu stricto is provided, with a brief discussion on the current generic circumscription of helicosporous taxa based on phylogeny.
This paper describes and illustrates five species of Helicosporium sensu lato, which represents the partial result of an investigation of fungal diversity associated with submerged wood and decaying culms of Miscanthus floridulus (Poaceae) from freshwater streams in Alishan area, Chiayi County, Taiwan, which was carried out during the years 2016 and 2017. Neohelicomyces longisetosus sp. nov. and Helicosporium flavidum sp. nov. are described and illustrated; the former is proposed based on molecular and morphological data, whereas the latter is based on morphology only. Pseudohelicomyces talbotii, a new record for Taiwan, is renamed as Parahelicomyces talbotii because the former genus was a homonym and thus illegitimate. The other six illegitimate Pseudohelicomyces species are transferred to Parahelicomyces as new combinations. Two other species, namely Acanthohelicospora guianensis and Neohelicosporium sympodiophorum, are also new records for Taiwan. A taxonomic key to Helicosporium sensu stricto is provided. Current generic circumscription of helicosporous taxa based on phylogeny is briefly discussed.
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