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Auteur Alfredo Vizzini |
Documents disponibles écrits par cet auteur (3)
Affiner la rechercheClitopilus fuscoumbonatus, une nouvelle espèce du sous-genre Rhodophana découverte en Espagne / Miquel Àngel Pérez-de-Gregorio in Bulletin trimestriel de la Société mycologique de France, 126 (1) (2010)
Titre : Clitopilus fuscoumbonatus, une nouvelle espèce du sous-genre Rhodophana découverte en Espagne Type de document : Imprimé Auteurs : Miquel Àngel Pérez-de-Gregorio (1963-) ; Carles Roqué ; Marco Contu ; Alfredo Vizzini Année de publication : 2010 Article en page(s) : 57-64 Langues : Français (fre) Catégories : [CBNPMP-Thématique] Champignons
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in Bulletin trimestriel de la Société mycologique de France > 126 (1) (2010) . - 57-64Pérez-de-Gregorio, Miquel Àngel (1963-), Roqué, Carles, Contu, Marco, Vizzini, Alfredo 2010 Clitopilus fuscoumbonatus, une nouvelle espèce du sous-genre Rhodophana découverte en Espagne. Bulletin trimestriel de la Société mycologique de France, 126(1): 57-64.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité R10745 P-38 Revue Bureaux Mycologie Consultable 
Titre : A phylogenetic and morphological study of the genus Dermoloma (Agaricales, Tricholomataceae) in Europe and North America exposes inefficiency of opportunistic species descriptions Type de document : Imprimé Auteurs : Katarina Adamčíková ; Munazza Kiran ; Miroslav Cabon ; P. Brandon Matheny ; Marisol Sánchez-García ; Eef Arnolds ; Michaela Caboňová ; Gilles Corriol ; Bálint Dima ; Gernot Friebes ; Gareth W. Griffith ; Django Grootmyers ; David Harries ; Alexander Karich ; Armin Mesic ; Martin Mihaljevič ; Pierre-Arthur Moreau (1971-) ; Ana Pošta ; Vasili Shapkin ; Zdenko Tkalčec ; Alfredo Vizzini ; Lenka Vondrovicová ; Slavomir Adamcik ; Soňa Jančovičová Année de publication : 2025 Article en page(s) : e157337 Langues : Anglais (eng) Catégories : [CBNPMP-Thématique] Champignons Mots-clés : Dermoloma Résumé : Dermoloma is traditionally known as a small genus of agarics classified in the family Tricholomataceae. This study implemented a multilocus phylogeny of six DNA regions to recognize phylogenetic species within the genus. The species concept is reinforced by observations of well-defined morphological characters enhanced by long term sampling effort in Europe and North America. Thirty European Dermoloma species are described, including 16 new species from Europe and three from North American. These species are classified into two subgenera morphologically distinguished by spores with positive or negative amyloid reaction. A new genus Neodermoloma is introduced for the Dermoloma-like species N. campestre. Localized or continental-scale species endemicity was confirmed based on studied material, but more inclusive phylogenetic clustering supported a mixture of North American species among the European clades. Of the 22 names validly published from Europe prior to this study, 11 could be assigned to well-defined Dermoloma species recognized here. Of the remaining 11 names, two were considered representing Dermoloma species not recorded since their description, and nine were established as later synonyms of other species. Morphological studies of Dermoloma are challenging due to the relatively low number of characters suitable for identification of species. The majority of morphological characters showed continuous variation with high overlap throughout the genus. For this reason, species identification requires an awareness of morphological variability within species, and multiple distinguishing characters need to be combined, and furthermore, often a barcode sequence is needed for a certain identification. Stable isotope analysis in Dermoloma of δ13C and δ15N revealed an ecological signature similar to known CHEGD fungi, i.e. Clavariaceae and Hygrocybe s.l. This indicates that Dermoloma species are biotrophic but neither ectomycorrhizal nor saprotrophic and may form mutualistic root endophytic associations with vascular plants. Lien pérenne : DOI : 10.3897/imafungus.16.157337 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=154921
in IMA fungus > 16 (2025) . - e157337Adamčíková, Katarina, Kiran, Munazza, Cabon, Miroslav, Matheny, P. Brandon, Sánchez-García, Marisol, Arnolds, Eef, Caboňová, Michaela, Corriol, Gilles, Dima, Bálint, Friebes, Gernot, Griffith, Gareth W., Grootmyers, Django, Harries, David, Karich, Alexander, Mesic, Armin, Mihaljevič, Martin, Moreau, Pierre-Arthur (1971-), Pošta, Ana, Shapkin, Vasili, Tkalčec, Zdenko, Vizzini, Alfredo, Vondrovicová, Lenka, Adamcik, Slavomir, Jančovičová, Soňa 2025 A phylogenetic and morphological study of the genus Dermoloma (Agaricales, Tricholomataceae) in Europe and North America exposes inefficiency of opportunistic species descriptions. IMA fungus, 16: e157337.Documents numériques
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article (2025)Adobe Acrobat PDFThe Paxillus involutus (Boletales, Paxillaceae) complex in Europe : Genetic diversity and morphological description of the new species Paxillus cuprinus, typification of P. involutus s.s., and synthesis of species boundaries / Patricia Jargeat (2014)
Titre : The Paxillus involutus (Boletales, Paxillaceae) complex in Europe : Genetic diversity and morphological description of the new species Paxillus cuprinus, typification of P. involutus s.s., and synthesis of species boundaries Type de document : Tiré à part de revue Auteurs : Patricia Jargeat ; Jean-Paul Chaumeton ; Olivier Navaud ; Alfredo Vizzini ; Hervé Gryta (1968-) Année de publication : 2014 Importance : 12-31 Langues : Anglais (eng) Mots-clés : Paxillus involutus (Batsch : Fr.) Fr. Paxillus cuprinus Jargeat, Gryta, Chaumeton & Vizzini Résumé : Paxillus involutus is a model species for ecological or physiological studies of ectomycorrhizal agaricomycetes. Three to six groups or species linked to it have been ecologically and morphologically distinguished. Phylogenetic studies have revealed the existence of four species in Europe: Paxillus ammoniavirescens, Paxillus obscurisporus, P. involutus, and a fourth as yet not described species. We studied 47 collections from 24 French and Italian locations, supplemented with GenBank data, in order to genetically and taxonomically delineate these species. Phylogenetic analyses of three nuclear DNA regions (rDNA internal transcribed spacer (ITS), tef1-α, and gpd) confirmed the four European species. Morphology, culture, and ecology features allowed us to delineate species boundaries and to describe the fourth species we named Paxillus cuprinus since it turns coppery with age. As there is no existing original herbarium specimen for P. involutus, one of our collections was chosen as the epitype. The low genetic diversity found in P. cuprinus correlates with stable morphological traits (basidiome colour, ovoid-amygdaliform spores with an apical constriction) and with ecological preferences (association with Betulaceae in open and temperate areas). In contrast, P. ammoniavirescens is characterized by a high genetic diversity and a high variation of its morphological and ecological features. Lien pérenne : DOI : 10.1016/j.funbio.2013.10.008 / Handle : 2318/152679
Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=135337 Jargeat, Patricia, Chaumeton, Jean-Paul, Navaud, Olivier, Vizzini, Alfredo, Gryta, Hervé (1968-) 2014 The Paxillus involutus (Boletales, Paxillaceae) complex in Europe : Genetic diversity and morphological description of the new species Paxillus cuprinus, typification of P. involutus s.s., and synthesis of species boundaries. Fungal Biology, 118 : 12-31.Documents numériques
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Article (2014)URL
