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Open Access A preliminary overview of the corticioid Atractiellomycetes (Pucciniomycotina, Basidiomycetes)

The taxonomy of the corticioid fungi from the class Atractiellomycetes (Pucciniomycotina, Basidiomycetes) currently addressed to the genus Helicogloea, is revised based on morphological and nuclear ribosomal DNA (ITS and LSU) data. The genus is restricted to 25 species with semitranslucent, gelatinous basidiocarps lacking differentiated cystidia and clamps on hyphae, of which 11 are described as new to science. The asexual genus Leucogloea is placed as a synonym of Helicogloea s. str. Since the type species of Saccoblastia, S. ovispora, is combined to Helicogloea, a new genus, Saccosoma, is introduced to encompass Saccoblastia farinacea and six related species, one of which is described as new. In contrast to Helicogloea in the strict sense, the basidiocarps of Saccosoma are arid, not gelatinized, and hyphae are clamped. The third lineage of the corticioid Atractiellomycetes is represented by the Bourdotigloea vestita complex. Species of Bourdotigloea are devoid of clamps but often possess well-differentiated cystidia, as well as long, cylindrical-fusiform basidiospores. Bourdotigloea encompasses nine species, of which six are described here as new.


Document Type: Research Article

Publication date: December 1, 2018

This article was made available online on October 23, 2018 as a Fast Track article with title: "A preliminary overview of the corticioid Atractiellomycetes (Pucciniomycotina, Basidiomycetes) ".

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  • Fungal Systematics and Evolution is an international, peer-reviewed, open-access, full colour, fast-track journal. Papers will include reviews, research articles, methodology papers, taxonomic monographs, and the description of fungi. The journal strongly supports good practice policies, and requires voucher specimens to be deposited in a fungarium, cultures in long-term genetic resource collection, sequences in GenBank, alignments in TreeBASE, and taxonomic novelties in MycoBank.
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