Basel, Switzerland
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Vizzini A.,University of Turin | Kalamees K.,Estonian University of Life Sciences | Ercole E.,University of Turin | Musumeci E.,Wiesendamm 10a | And 3 more authors.
Mycotaxon | Year: 2011

"Laccaria tortilis" sensu Clémençon 1984 is described as the new form, Laccaria tortilis f. clemenconii, based on material from Kamchatka (Asiatic Russia), Switzerland, Austria, and Italy. ITS rDNA analysis indicates that the new form is molecularly identical to Laccaria tortilis, although smaller spores with shorter spines distinguish it morphologically. Scanning electronic micrographs of the spores and a dichotomous key to European Laccaria species with mono-bisporic basidia, are provided. © 2011. Mycotaxon, Ltd.

Musumeci E.,Wiesendamm 10a | Murat C.,French National Institute for Agricultural Research
Fungal Diversity | Year: 2010

Trichocybe, a new genus of Agaricales, is described to accommodate the rare species Clitocybe puberula characterized by an isolated phylogenetic position. Trichocybe is distinguished from its allied clitocyboid genera by a unique combination of macro-and micromorphological characters, including a Gymnopus-like habitus, a pubescent pileus with squamulose flocci, an eccentric stipe growing on wood debris, a putrescent non-reviviscent context, a strongly farinaceous odour, rare but clearlydifferentiated cheilocystidia, an unusual, strongly differentiated pileipellis, a subpellis with vesiculose-physaloid elements, a stipitipellis with diverticulate hyphae, and smooth, acyanophilous, inamyloid basidiospores. Trichocybe is so far known only from northwestern Europe. Based on a LSU-and 5.8S-rDNA Bayesian phylogenetic analysis, Trichocybe clusters within the Tricholomatoid clade, where it occupies an isolate position. Furthermore, according to the present analysis, also Clitocybe phaeophthalma seems to represent an independent evolutive line in the clitocyboid fungi, which suggests adopting the genus Singerocybe Harmaja for this taxon as well as similar ones. © Kevin D. Hyde 2010.

Vizzini A.,University of Turin | Musumeci E.,Wiesendamm 10a | Ercole E.,University of Turin
Nova Hedwigia | Year: 2011

A new species of Clitopilus sect. Clitopilus, viz. C. chrischonensis, is described on the basis of macro- and micromorphological characters, and of a ITS-LSU rDNA Bayesian phylogenetic analysis. A full description, taxonomic discussion on allied species, a photograph of fresh basidiomes and a photograph and line drawings of the most relevant microcharacters are provided. © 2011 J. Cramer in Gebr.

Vizzini A.,University of Turin | Musumeci E.,Wiesendamm 10a | Ercole E.,University of Turin
Mycologia | Year: 2011

A new species of Infundibulicybe (viz. I. mediterranea sp. nov.) is described from Sardinia based both on morphological and molecular ITS data. The species, a close ally of I. gibba, differs from the latter in the darker tinges of the basidiomata, the stipe, which is nearly concolorous with the pileus, and smaller basidiospores. Drawings of the main micromorphological features as well as a color photograph of fresh basidiomata in situ are provided. © 2011 by The Mycological Society of America.

Vizzini A.,University of Turin | Musumeci E.,Wiesendamm 10a
Sydowia | Year: 2010

Hypholoma litorale is described as a new species on the basis of collections made near Olbia (Sardinia, Italy), in coastal grasslands. It seems to be close to the north-American species H. olivaceotinctum, but it differs in several respects both macro- and micromorphologically. Photographs of fresh material and of the main micromorphological features of the new species are provided.

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