Cortinarius sect. Riederi: taxonomy and phylogeny of the new section with European and North American distribution

Brandrud, Tor Erik; Schmidt-Stohn, Geert; Liimatainen, Kare; Niskanen, Tuula; Frøslev, Tobias Guldberg; Soop, Karl; Bojantchev, Dimitar; Kytövuori, Ilkka; Jeppesen, Thomas Stjernegaard; Bellù, Francesco; Saar, Günter; Oertel, B.; Ali, Tahir; Thines, Marco; Dima, Bálint

doi:10.1007/s11557-018-1443-0

Cited by 14 publications

(14 citation statements)

References 51 publications

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“…Cortinarius species have appeared widely distributed in the northern hemisphere in previous works (e.g. Garnica et al 2009, Harrower et al 2011, Niskanen et al 2012a, Cripps et al 2015, Liimatainen et al 2015, 2017, Brandrud et al 2018. The morphological features varied much within species.…”

Section: Discussionmentioning

confidence: 87%

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Diversity of boreal small species of Cortinarius subgenus Telamonia with Salix

Kokkonen¹

2020

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This work presents the genetic and morphological diversity of small Cortinarius subgenus Telamonia species found from moist Salix thickets in Finland. The boreal fungi were compared with several type and other specimens from the alpine zone or similar habitats from the temperate zone. The boreal and alpine zones had many common species: nearly all boreal species grew in the alpine zone with dwarf Salix. The species often had wide distributions, extending to North America. The genetic analyses consisted of ITS and RPB2 sequences. Both genetic and morphological variation was high. The species formed complexes, where the boundaries among species were often obscure. Very close sibling species were delimited based on differences at the same sites. Twenty-three boreal species were recognized. Four of them are described here as new: C. paulus and C. paululus as sibling species to C. pauperculus J.Favre, C. rusticelloides as a sibling species to C. rusticellus J.Favre, and C. vienoi as a sibling species to C. perzonatus Reumaux. Cortinarius sagarum, a sibling species to C. comatus J.Favre and C. vulpicolor M.M.Moser & McKnight, is described as new from arctic-alpine zones.

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Section: Discussionmentioning

confidence: 87%

“…Recently developed molecular methods have promoted the Cortinarius taxonomy, especially concerning boreal forest species (e.g. Niskanen et al 2009, 2013, 2017, Dima et al 2016, Brandrud et al 2018. This study focused on a specific habitat, alluvial Salix thickets.…”

Section: Introductionmentioning

confidence: 99%

Diversity of boreal small species of Cortinarius subgenus Telamonia with Salix

Kokkonen¹

2020

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“…Among these, evolutionary relationships remained mostly opaque, as is often the case in phylogenetic analysis including only one molecular marker, and very divergent sequences among taxa (e.g. Brandrud et al 2018;Garrido-Benavent et al 2019). The two Pakistani collections AST20 and MJ-15103 were genetically identical.…”

Section: Molecular Phylogenetic Analysesmentioning

confidence: 99%

Cortinarius pakistanicus and C. pseudotorvus: two new species in oak forests in the Pakistan Himalayas

Naseer¹,

Garrido‐Benavent²,

Khan³

et al. 2020

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The genus of basidiomycetous fungiCortinarius occurs worldwide, from subtropical to boreal latitudes. Although molecular systematics has triggered the study of these fungi in the Americas and Europe in the last two decades, there is still limited research on its diversity in large portions of the planet, such as the high mountain ranges of Asia. Several collections of Cortinarius were made during mycological field trips conducted between 2014 and 2018 in pure oak forests in the Pakistan Himalayas. An integrative framework combining morphological and phylogenetic data was employed for their study. As a result, the two species C. pakistanicus and C. pseudotorvus are here described as new to science. Detailed macro- and micro-morphological descriptions, including SEM images of spores, and a molecular phylogenetic reconstruction based on nrITS sequence data are provided and used to discriminate the new species from morphologically and phylogenetically close taxa. Whereas our phylogenetic tree inference gave unequivocal support for the inclusion of C. pseudotorvus within C. sect. Telamonia, the assignment of C. pakistanicus to any known sections remained elusive. These species likely establish ectomycorrhizal associations with trees in the genus Quercus, making this type of forest in the Pakistan Himalayas a promising focus for future research on the diversity of Cortinarius.

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“…Among them, the nuc rDNA ITS1-5.8S-ITS2 region has been found to be a suitable molecular marker for the correct identi cation of fungi by the consortium of international barcode (Seifert 2009;Schoch et al 2012;Schoch et al 2014). Several studies have found that ITS barcode can prove signi cantly effective in distinguishing Cortinarius species (Garnica et al 2016;Brandrud et al 2018). Molecular approach together with morphological analysis can signi cantly improve the accuracy in identi cation of such fungi.…”

Section: Introductionmentioning

confidence: 99%

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

Ahmed

Reshi

Jan

et al. 2021

Preprint

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Cortinarius is the largest genus of mushroom forming fungi with several subgenera having ectomycorrhizal associations with coniferous trees and other plants. In view of limited studies on this speciose genus from the Himalayan region, a morpho-molecular phylogenetic approach was employed to study this taxon. Phylogenetic analysis and Bayesian inference of nuc rDNA internal transcribed spacer region ITS1-5.8S-ITS2 (ITS barcode) separated these sequences along with the identical sequences from Gene bank into three distinct clads with high bootstrap values suggesting the possibility of new taxa. The new species were found to possess some diagnostic features that separated them from other closely related species in each section. Based on our study in the Kashmir Himalayan forests, we report three new species of Cortinarius from the Indian subcontinent. The identified species, C. cibum, C. neocephalixus, and C. nigricans belong to subgenera Myxacium, Phlegmacium and Telamonia. A taxonomic description of morphological characters is also provided for each new taxon. This study marks the beginning in studying the Cortinarius genus in Kashmir Himalaya using a combination of nuc rDNA ITS barcode approach together with morphological characters and microscopic spore analysis. The current study will help in filling the knowledge gaps in the study of Cortinarius and will further enrich the public DNA database for ease of comparative studies throughout the world.

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Cortinarius sect. Riederi: taxonomy and phylogeny of the new section with European and North American distribution

Cited by 14 publications

References 51 publications

Diversity of boreal small species of Cortinarius subgenus Telamonia with Salix

Diversity of boreal small species of Cortinarius subgenus Telamonia with Salix

Cortinarius pakistanicus and C. pseudotorvus: two new species in oak forests in the Pakistan Himalayas

Three New Species of Cortinarius From Kashmir Himalayan Coniferous Forests Based On Morphological And Molecular Evidence

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