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Photos of the representatives of genus Cortinarius. A. C. subgen. Cortinarius, C. harcynicus TN 04-525 (H), B. C. subgen. Dermocybe, C. neosanguineus TN 09-130 (H), C. subgen. Orellani, C. rubellus TN 05-024 (H), D. C. subgen. Iodolentes, C. mammillatus

Photos of the representatives of genus Cortinarius. A. C. subgen. Cortinarius, C. harcynicus TN 04-525 (H), B. C. subgen. Dermocybe, C. neosanguineus TN 09-130 (H), C. subgen. Orellani, C. rubellus TN 05-024 (H), D. C. subgen. Iodolentes, C. mammillatus

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Family Cortinariaceae currently includes only one genus, Cortinarius, which is the largest Agaricales genus, with thousands of species worldwide. The species are important ectomycorrhizal fungi and form associations with many vascular plant genera from tropicals to arctic regions. Genus Cortinarius contains a lot of morphological variation, and its...

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... included subgenera: Cortinarius, Camphorati, Dermocybe, Illumini, Infracti, Iodolentes, Leprocybe, Myxacium, Orellani, Paramyxacium, and Telamonia (Fig. ...

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... André BIDAUD* Le genre Cortinarius (Pers.) Gray connaît ces dernières années de grands bouleversements taxinomiques, suite à plusieurs analyses moléculaires ciblant des sousgenres (LIIMATAINEN et al., 2014, KOKKONEN, 2020 ou le genre dans son intégralité en incluant les taxons des deux hémisphères (SOOP et al., 2019 ;LIIMATAINEN et al., 2022). Le séquençage de nombreux holotypes et la désignation de néo-ou d'épitypes séquencés ont permis de clarifier beaucoup de problèmes de taxinomie jusque-là insolubles, mais ont aussi révélé l'existence de complexes d'espèces plus ou moins cryptiques. ...
... Le séquençage de nombreux holotypes et la désignation de néo-ou d'épitypes séquencés ont permis de clarifier beaucoup de problèmes de taxinomie jusque-là insolubles, mais ont aussi révélé l'existence de complexes d'espèces plus ou moins cryptiques. Très récemment, l'introduction d'approches génomiques a même résolu les relations évolutives des principales grandes lignées de cortinaires, avec pour conséquence une proposition de systématique inédite des cortinaires en 10 genres (LIIMATAINEN et al., 2022). Cette nouvelle classification ne manquera pas de déstabiliser la communauté des cortinariologues, mais elle présente un certain nombre d'avantages, dont celui de structurer un genre jusqu'ici plus prolifique que la plupart des familles de Basidiomycota, et de mettre en lumière les liens de parentés réels entre les sections déjà identifiées. ...
... La première espèce que nous décrivons ici a été récoltée dans une sapinière située en versant nord d'une forêt à sol acide, dont les ruisseaux sont bordés par des tourbières de pente offrant une diversité fongique très intéressante. De toute évidence, cette espèce possède tous les caractères morphologiques de la section Vibratiles (Melot) Niskanen & Liimat., appartenant maintenant au genre Thaxterogaster Singer (LIIMATAINEN et al., 2022). Confirmée par la génétique comme relevant d'une lignée autonome non encore formellement décrite, nous lui attribuons le nom nouveau de Thaxterogaster azureomarginatus. ...
Article
Les auteurs décrivent et illustrent deux espèces nouvelles des genres Cortinarius et Thaxtero-gaster : Cortinarius cedrinus et Thaxterogaster azureomarginatus. L'appartenance du rare Corti-narius coeruleopallescens au genre Thaxterogaster est formellement démontrée ici. The authors describe and illustrate two new species of the Cortinarius and Thaxterogaster ge-nera: Cortinarius cedrinus and Thaxterogaster azureomarginatus. The rare Cortinarius coeruleo-pallescens is also shown to belong to Thaxterogaster and the new combination is formally introduced here. Bull. mycol. bot. Dauphiné-Savoie-n° 245 (2022)
... Peintner et al. 2004, Garnica et al. 2005. Recently, Liimatainen et al. (2022) have split the genus Cortinarius into 10 genera based on genomic and multi-gene sequence data. The new classification, however, is not yet adopted in the current work, which has been submitted before the latter publication. ...
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In this study, we investigate the phylogeny and taxonomy of the /Camptori clade sensu Soop et al. (2019a). Based on combined nrDNA ITS phylogenetic, morphological, and ecological analyses, the clade includes six species in Europe, four of which are described here as new to science: Cortinarius malavalii, C. marklundii, C. violaceoserrulatus, and C. viridocaelestinus. We also provide a taxonomic revision of the two known species in the clade, C. camptoros and C. viridocoeruleus. In its current concept, the /Camptori clade is mostly represented in frondose woodlands of southern Europe and none of the species is found in the boreal coniferous zones of Northern Europe. Three species are strictly thermophilous Mediterranean-submediterranean species associated mainly with southern Quercus spp., whereas C. camptoros is found mainly in montane Abies forests, and C. marklundii reaches boreonemoral Tilia-Corylus sites in S Scandinavia and alpine Dryas sites in Spain. An identification key to the species is presented.
... Cortinariaceae is a large family of gilled mushrooms with a worldwide distribution (He et al. 2019). The classification of the group was recently revised by Liimatainen et al. (2022) and the family was divided into ten genera Aureonarius, Austrocortinarius, Calonarius, Cortinarius, Cystinarius, Hygronarius, Mystinarius, Phlegmacium, Thaxterogaster and Volvanarius. The South American genus Stephanopus, a small genus with five species associated with species of Nothofagaceae, has also been placed in Cortinariaceae, but ...
... Since then several infrageneric classifications were proposed based on morphology, for example Moser (1983), Brandrud et al. (1989) and Bidaud et al. (1994), but molecular studies during the past 20 years have shown that many of these traditional infrageneric groups were unnatural (Høiland and Holst-Jensen 2000;Peintner et al. 2004;Garnica et al. 2005;Stensrud et al. 2014;Soop et al. 2019). Based on the latest phylogenomic study by Liimatainen et al. (2022), some of the groups have been recognized as separate genera, but many taxa previously treated as separate genera are currently included in Cortinarius such as Cuphocybe and Rozites as well as sequestrate genera Protoglossum and Quadrispora (Peintner et al. 2001(Peintner et al. , 2002Soop et al. 2019;Liimatainen et al. 2022). Currently, 11 subgenera are recognized within Cortinarius: Cortinarius, Camphorati, Dermocybe, Illumini, Infracti, Iodolentes, Leprocybe, Myxacium, Orellani, Paramyxacium and Telamonia (Liimatainen et al. 2022). ...
... Since then several infrageneric classifications were proposed based on morphology, for example Moser (1983), Brandrud et al. (1989) and Bidaud et al. (1994), but molecular studies during the past 20 years have shown that many of these traditional infrageneric groups were unnatural (Høiland and Holst-Jensen 2000;Peintner et al. 2004;Garnica et al. 2005;Stensrud et al. 2014;Soop et al. 2019). Based on the latest phylogenomic study by Liimatainen et al. (2022), some of the groups have been recognized as separate genera, but many taxa previously treated as separate genera are currently included in Cortinarius such as Cuphocybe and Rozites as well as sequestrate genera Protoglossum and Quadrispora (Peintner et al. 2001(Peintner et al. , 2002Soop et al. 2019;Liimatainen et al. 2022). Currently, 11 subgenera are recognized within Cortinarius: Cortinarius, Camphorati, Dermocybe, Illumini, Infracti, Iodolentes, Leprocybe, Myxacium, Orellani, Paramyxacium and Telamonia (Liimatainen et al. 2022). ...
Article
Fungi play vital roles in ecosystems as endophytes, pathogens and saprobes. The current estimate of fungal diversity is highly uncertain, ranging from 1.5 to 12 million, but only around 150,000 species have been named and classified to date. Since the introduction of DNA based methods for species identification, the number of newly described taxa has increased from approximately 1000 to around 2000 yearly. This demonstrates the importance of DNA based methods to identify and distinguish species, especially cryptic species. Many novel species from recent studies have been found in historically understudied regions and habitats, but these still represent only a small percentage of the estimated species. In this paper, we examine 16 genera from the top 40 most speciose genera as listed in Species Fungorum as case studies to examine the diversity of taxa in each genus. The genera treated herein are Cercospora, Diaporthe, Meliola, Passalora, Phyllachora, Phyllosticta, Pseudocercospora, Ramularia (ascomycetes) and Cortinarius, Entoloma, Inocybe, Marasmius, Psathyrella, Puccinia, Russula, Uromyces (basidiomycetes). We critically evaluate the number of species in these genera and correlate these numbers with the number of entries in GenBank. We introduce 18 new species Apiospora multiloculata, Candolleomyces thailandensis, Cortinarius acutoproximus, Cortinarius melleoalbus, Cortinarius pacificus, Cortinarius parvoacetosus, Diaporthe guizhouensis, Entoloma pseudosubcorvinum, Inocybe meirensongia, Marasmius albulus, Marasmius obscuroaurantiacus, Meliola camporesii, Phyllachora siamensis, Phyllosticta doitungensis, Picipes yuxiensis, Pseudocercospora vignae, Puccinia maureanui and Russula inornata. We also introduce a new record of Candolleomyces cladii-marisci and Inocybe iringolkavensis. We discuss the genera Colletotrichum and Pleurotus that are speciose, but do not occur in the top 40. We hypothesize whether there might be more species in these genera and discuss why these genera have some of the largest number of species.
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Inocybe mediterranea, found in a Sicilian pinewood with Pinus halepensis not far from the coast facing Tunisia, is proposed as new to science. The exhaustive macro- and microscopic description is accompanied by photographs in habitat, the results of the molecular analysis based on the ribosomal marker ITS, as well as the phylogenetic tree including the sequence of the new species and those of its close allies. Additionally, the morphological and genetic relationships between I. lapidicola and I. deianae are examined.
Article
Full-text available
RdM 64 (3): 195-220, 2021 Inocybe mediterranea, una nuova specie trovata nella Pineta di Salinella (Sicilia) e osservazioni sui rapporti fra I. lapidicola e I. deianae ABSTRACT Inocybe mediterranea, found in a Sicilian pinewood with Pinus halepensis not far from the coast facing Tunisia, is proposed as new to science. The exhaustive macro-and microscopic description is accompanied by photographs in habitat, the results of the molecular analysis based on the ribosomal marker ITS, as well as the phylogenetic tree including the sequence of the new species and those of its close allies. Additionally, the morphological and genetic relationships between I. lapidicola and I. deianae are examined.