The first record of Pluteus rugosidiscus from Europe (Slovakia) is published. The pileipellis structure in this species indicates its placement in section Celluloderma subsection Eucellulodermini. According to a phylogenetic analysis (ITS rDNA), Pluteus rugosidiscus
forms a sister clade to the complex of P. chrysophlebius and represents a distinct species. In several collections, sequences of the molecular markers LSU, EF-1α and RPB2 were obtained. These were not included in the phylogenetic tree, but used for a comparison confirming P.
rugosidiscus as a separate specie. Pluteus rugosidiscus is macroscopically characterised by a pileus with a green hue and a yellow stipe; microscopically by lageniform to fusiform pleurocystidia. It is particularly similar to the taxa of the P. chrysophlebius complex and
in some cases may represent a cryptic species.
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Document Type: Research Article
Publication date: February 1, 2019
This article was made available online on September 10, 2018 as a Fast Track article with title: "Pluteus rugosidiscus (Basidiomycota, Pluteaceae), first record of this North American species in Europe".
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Nova Hedwigia is an international journal publishing original, peer-reviewed papers on current issues of taxonomy, morphology, ultrastructure and ecology of all groups of cryptogamic plants, including cyanophytes/cyanobacteria and fungi. The half-tone plates in Nova Hedwigia are known for their high quality, which makes them especially suitable for the reproduction of photomicrographs and scanning and transmission electron micrographs.
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