Identifying and naming the currently known diversity of the genus <i>Hydnum</i>, with an emphasis on European and North American taxa

Niskanen, Tuula; Liimatainen, Kare; Nuytinck, Jorinde; Kirk, Paul M.; Olariaga, Ibai; Garibay-Orijel, Roberto; Norvell, Lorelei L.; Huhtinen, Seppo; Kytövuori, Ilkka; Ruotsalainen, Juhani; Niemelä, Tuomo; Ammirati, Joseph F.; Tedersoo, Leho

doi:10.1080/00275514.2018.1477004

Cited by 20 publications

(47 citation statements)

References 18 publications

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“…Of the recovered species, only one eastern North American Hydnum , H.mulsicolor , also occurs outside North America. This result is consistent with recent work that showed eastern North American clades of Hydnum are largely endemic (Feng et al 2016, Niskanen et al 2018).…”

Section: Resultssupporting

confidence: 93%

“…Four major clades of North American Hydnum were recovered, each with ML bootstrap support ≥ 70%. These are labeled by subgenus: Alba , Pallida , Hydnum , Rufescentia (Niskanen et al 2018). A sister group relationship was recovered between subg.…”

Section: Resultsmentioning

confidence: 99%

“…2. Hydnumalboaurantiacum is known only from the southeastern US and appears derived from a grade of Central American taxa including the recently described H.zongolicense (Niskanen et al 2018).…”

Section: Resultsmentioning

confidence: 99%

“…Initial phylogenetic studies of European Hydnum revealed higher than expected taxonomic diversity in the genus, with thirteen molecularly recognized clades masquerading under four morphologically-defined species names (Grebenc et al 2009), which have since been described as new species (Olariaga et al 2012, Vizzini et al 2013, Niskanen et al 2018). Following a global survey of diversity in the genus which estimated 31 species worldwide based on molecular phylogenetic analysis (Feng et al 2016), additional taxonomic work in Europe and North America has raised the global species count to 34 (Buyck et al 2017, Niskanen et al 2018), which is estimated to be less than half of the total number of Hydnum species (Niskanen et al 2018). This previously overlooked diversity may be due to morphological stasis in evolution of basidiome morphology and lack of attention to regional characterization of the Hydnum flora in locations outside Europe.…”

Section: Introductionmentioning

confidence: 99%

“…al 1996), Myrtaceae (McNabb 1971), Fagales (McNabb 1971, Feng et. al 2016, Niskanen et al 2018), Salicaceae (Niskanen et al 2018), Malvaceae (Niskanen et al 2018), and Dipterocarpaceae (Lee et al 2002). The genus is distributed mostly in temperate areas, with a few reports from tropical and subtropical forests in southeast Asia (Lee et al 2002, Feng et al 2016) and the neotropics (Garibay-Orijel et al 2006, Sarmiento and Fontecha 2013, Feng et al 2016, Niskanen et al 2018).…”

Section: Introductionmentioning

confidence: 99%

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Six new species and reports of Hydnum (Cantharellales) from eastern North America

Swenie¹,

Baroni²,

Matheny³

2018

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Five species of Hydnum have been generally recognized from eastern North America based on morphological recognition: H.albidum, H.albomagnum, H.repandum and varieties, H.rufescens, and H.umbilicatum. Other unique North American species, such as H.caespitosum and H.washingtonianum, are either illegitimately named or considered synonymous with European taxa. Here, seventeen phylogenetic species of Hydnum are detected from eastern North America based on a molecular phylogenetic survey of ITS sequences from herbarium collections and GenBank data, including environmental sequences. Based on current distribution results, sixteen of these species appear endemic to North America. Of these, six species are described as new: H.alboaurantiacum, H.cuspidatum, H.ferruginescens, H.subconnatum, H.subtilior, and H.vagabundum. Geographic range extensions and taxonomic notes are provided for five additional species recently described as new from eastern North America. A new name, H.geminum, is proposed for H.caespitosum Banning ex Peck, non Valenti. Overall, species of Hydnum are best recognized by a combination of morphological and molecular phylogenetic analyses. Taxonomic descriptions are provided for seventeen species, including epitype designations for H.albidum, H.albomagnum, and H.umbilicatum, taxa described more than 100 years ago, and molecular annotation of the isotype of H.washingtonianum. Photographs and a key to eastern North American Hydnum species are presented.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Six new species and reports of Hydnum (Cantharellales) from eastern North America

Swenie¹,

Baroni²,

Matheny³

2018

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Mycorrhizal synthesis, morpho-anatomical characterization of mycorrhizae, and evaluation of mycorrhiza-forming ability of Hydnum albidum–like species using monokaryotic and dikaryotic cultures

et al. 2021

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Has taxonomic vandalism gone too far? A case study, the rise of the pay-to-publish model and the pitfalls of Morchella systematics

Loizides¹,

Alvarado²,

Moreau

et al. 2022

Mycol Progress

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The genus Morchella has gone through turbulent taxonomic treatments. Although significant progress in Morchella systematics has been achieved in the past decade, several problems remain unresolved and taxonomy in the genus is still in flux. In late 2019, a paper published in the open-access journal Scientific Reports raised serious concerns about the taxonomic stability of the genus, but also about the future of academic publishing. The paper, entitled "High diversity of Morchella and a novel lineage of the esculenta clade from the north Qinling Mountains revealed by GCPSR-based study" by Phanpadith and colleagues, suffered from gross methodological errors, included false results and artifactual phylogenies, had misapplied citations throughout, and proposed a new species name invalidly. Although the paper was eventually retracted by Scientific Reports in 2021, the fact that such an overtly flawed and scientifically unsound paper was published in a high-ranked Q1 journal raises alarming questions about quality controls and safekeeping procedures in scholarly publishing. Using this paper as a case study, we provide a critical review on the pitfalls of Morchella systematics followed by a series of recommendations for the delimitation of species, description of taxa, and ultimately for a sustainable taxonomy in Morchella. Problems and loopholes in the academic publishing system are also identified and discussed, and additional quality controls in the pre-and post-publication stages are proposed.

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Identifying and naming the currently known diversity of the genus Hydnum, with an emphasis on European and North American taxa

Cited by 20 publications

References 18 publications

Six new species and reports of Hydnum (Cantharellales) from eastern North America

Six new species and reports of Hydnum (Cantharellales) from eastern North America

Mycorrhizal synthesis, morpho-anatomical characterization of mycorrhizae, and evaluation of mycorrhiza-forming ability of Hydnum albidum–like species using monokaryotic and dikaryotic cultures

Has taxonomic vandalism gone too far? A case study, the rise of the pay-to-publish model and the pitfalls of Morchella systematics

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