Three new species in
            <i>Russula</i>
            subsection
            <i>Xerampelinae</i>
            supported by genealogical and phenotypic coherence

Noffsinger, Chance R.; Adamčíková, Katarína; Eberhardt, Ursula; Caboň, Miroslav; Bazzicalupo, Anna; Buyck, Bart; Kaufmann, Herbert; Weholt, Øyvind; Looney, Brian P.; Matheny, P. Brandon; Berbee, Mary L.; Tausan, Daniel; Adamčík, Slavomír

doi:10.1080/00275514.2023.2295957

Cited by 4 publications

(1 citation statement)

References 61 publications

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“…On the other hand, the available alignments suggest efficient means to retrieve enough sequence information from type specimens to resolve the hitherto unclear identification of taxa such as Amanita avellaneosquamosa (Table 1; Online Resource 11). Practically all species have, strikingly, a relatively narrow geographical range (Table 4, Online Resource 8), as reported already for other taxa (Looney et al 2016(Looney et al , 2020Bazzicalupo et al 2019;Noffsinger et al 2024). This could help avoid using the same name for geographically distinct collection origins -as the clade naming used here at species level demonstrates (Table 4), the volvata and avellaneosquamosa epithets have been used very confusingly.…”

Section: Discussionmentioning

confidence: 62%

Charting Taxa inAmanitaSectionAmidella(Basidiomycota:Amanitaceae)

Oliveira,

Arraiano-Castilho

2024

Preprint

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Species determination in the Amidella clade is notoriously difficult, because of the relative dearth of field characters and the rather common occurrence of homoplasies. This results in a substantial number of misnamed and unnamed collections, a misapprehension of the geographic range of known species, and a gross underestimation of the number of species it contains. To assess the diversity that should be considered as part of Amidella, DNA sequences available for this group were retrieved in public nucleotide databases, using a combination of approaches to achieve a comprehensive representation. Phylogenetic analysis based on the aligned ITS sequences, consistently with the results from other molecular markers (nLSU, RPB2, TEF1, BTUB), suggests five major clades: one containing the type species Amanita volvata, another for Amanita ponderosa and allies, a third one (roughly half of all species) with Amanita lepiotoides, and two others without valid species yet. Consensus rRNA folding structures were obtained for these clades, maintaining their congruence and separation from neighbouring congeneric clades. At species level, around 78 clades were delimited, of which only up to 17 can be assigned a valid name, with a few more corresponding to provisional taxa listed in the amanitaceae.org website. Two further species without assigned sequences might correspond to the proposed clades. The current evidence suggests a rather narrow geographic range for most of these clades. This study provides a phylogeny-arranged outlook of the worldwide distribution of Amidella species, and a framework for designing clade-specific molecular markers to assist in identification.

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Section: Discussionmentioning

confidence: 62%

Charting Taxa inAmanitaSectionAmidella(Basidiomycota:Amanitaceae)

Oliveira,

Arraiano-Castilho

2024

Preprint

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Notes on two new species of Russula subsect. Cyanoxanthinae (Russulaceae, Russulales) from southern China

Chen,

Liang,

Wang

et al. 2024

Mycol Progress

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Multi-gene analysis of the Russula crown clade (Russulales, Basidiomycota) revealed six new species and Alboflavinae subsect. nov. from Fagaceae forests in China

Niu,

Liu,

Zhao

et al. 2024

Front. Plant Sci.

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IntroductionThe crown clade is one of two major groups in the Russula subg. Russula.Methods/materialAn analysis of Chinese samples was performed based on the morphology, internal transcribed spacer (ITS) sequences, and multi-gene phylogenies of 28S nrLSU, 16S mtSSU, rpb1, rpb2, and tef1-α.ResultsThe results supported the independence of six new species: Russula alboflava (sect. Amethystinae), R. chrysantha (subsect. Chamaeleontinae), R. liyui (subsect. Laricinae), R. lutescens (subsect. Olivaceinae), R. paraxerampelina, and R. prunicolor (subsect. Xerampelinae) from Fagaceae forest habitats. Subsect. Alboflavinae was newly proposed in sect. Amethystinae. Members of the new subsection include R. alboflava, R. burlinghamiae, and possibly R. ballouii.DiscussionOur analyses also supported the claim that two species of R. fulvograminea (subsect. Laricinae) and R. subrubens (subsect. Xerampelinae) have a Eurasian distribution. The habitat and primary hosts of the main phylogenetic clades within related subsections were summarized and discussed.

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Three new species in Russula subsection Xerampelinae supported by genealogical and phenotypic coherence

Cited by 4 publications

References 61 publications

Charting Taxa inAmanitaSectionAmidella(Basidiomycota:Amanitaceae)

Charting Taxa inAmanitaSectionAmidella(Basidiomycota:Amanitaceae)

Notes on two new species of Russula subsect. Cyanoxanthinae (Russulaceae, Russulales) from southern China

Multi-gene analysis of the Russula crown clade (Russulales, Basidiomycota) revealed six new species and Alboflavinae subsect. nov. from Fagaceae forests in China

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