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  • taxonomy  (8)
  • Agaricales  (2)
  • 1
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    The genus Elaphomyces (Ascomycota, Eurotiales): a ribosomal DNA-based phylogeny and revised systematics of European ‘deer truffles’ (2017)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (1878-9080) vol.38 (2017) p.197
    Details
    Publication Date: 2017-06-02
    Description: Elaphomyces (‘deer truffles’) is one of the most important ectomycorrhizal fungal genera in temperate and subarctic forest ecosystems, but also one of the least documented in public databases. The current systematics are mainly based on macromorphology, and is not significantly different from that proposed by Vittadini (1831). Within the 49 species recognised worldwide, 23 were originally described from Europe and 17 of these were described before the 20th century. Moreover, very recent phylogenetic treatments of the genus are mainly based on a few extra-European species and most common European species are still poorly documented. Based on an extensive taxonomic sampling mainly made in the biogeographically rich Cantabrian area (Spain), complemented with collections from France, Greece, Italy, Norway, Portugal and Sweden, all currently recognized species in Europe have been sequenced at the ITS and 28S of the rDNA. Combined phylogenetic analyses yielded molecular support to sections Elaphomyces and Ceratogaster (here emended), while a third, basal lineage encompasses the sections Malacodermei and Ascoscleroderma as well as the tropical genus Pseudotulostoma. Species limits are discussed and some taxa formerly proposed as genuine species based on morphology and biogeography are re-evaluated as varieties or forms. Spore size and ornamentation, features of the peridial surface, structure of the peridium, and the presence of mycelium patches attached to the peridial surface emerge as the most significant systematic characters. Four new species: E. barrioi, E. quercicola, E. roseolus and E. violaceoniger, one new variety: E. papillatus var. sulphureopallidus, and two new forms: E. granulatus forma pallidosporus and E. anthracinus forma talosporus are introduced, as well as four new combinations in the genus: E. muricatus var. reticulatus, E. muricatus var. variegatus, E. papillatus var. striatosporus and E. morettii var. cantabricus. Lectotypes and epitypes are designated for most recognised species. For systematic purposes, new infrageneric taxa are introduced: E. sect. Ascoscleroderma stat. nov., E. subsect. Sclerodermei stat. nov., E. subsect. Maculati subsect. nov., E. subsect. Muricati subsect. nov., and E. subsect. Papillati subsect. nov. Lastly, E. laevigatus, E. sapidus, E. sulphureopallidus and E. trappei are excluded from the genus and referred to Rhizopogon roseolus, Astraeus sapidus comb. nov., Astraeus hygrometricus and Terfezia trappei comb. nov. (syn.: Terfezia cistophila), respectively.
    Keywords: Astraeus ; Eurotiaceae ; Eurotiomycetes ; identification key ; nomenclature ; Pseudotulostoma ; rDNA phylogeny ; Rhizopogon ; taxonomy ; Terfezia
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    Taxonomy and evolutionary relationships within species of section Rimosae (Inocybe) based on ITS, LSU and mtSSU sequence data (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-05850) vol.23 (2009) nr.1 p.86
    Details
    Publication Date: 2015-04-20
    Description: The present study aimed at elucidating the structure of Inocybe subg. Inosperma sect. Rimosae but included also representatives from subg. Mallocybe and the genus Auritella. Phylogenetic relationships were inferred using ITS, LSU and mtSSU sequence data. The analyses recovered the ingroup as a monophyletic, strongly supported clade. The results indicate that recognizing Auritella on the genus level renders Inocybe paraphyletic. The species traditionally placed in sect. Rimosae were found to be distributed over two strongly supported clades, Maculata and Rimosae s.s. The Maculata clade clusters with sect. Cervicolores and the two represent subg. Inosperma in a strict sense. Rimosae s.s. emerges as an independent, supported clade well separated from Inosperma s.s. Twenty-one terminal groups were correlated with morphologically distinct species. In addition several taxa on single branches and minor less supported clades were recovered. A key to the identified species of the Maculata and Rimosae s.s. clades which occur in Northwest Europe is provided.
    Keywords: Agaricales ; Basidiomycota ; molecular systematics ; phylogeny ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    A multi-gene phylogeny of Lactifluus (Basidiomycota, Russulales) translated into a new infrageneric classification of the genus (2017)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (1878-9080) vol.38 (2017) p.58
    Details
    Publication Date: 2016-09-16
    Description: Infrageneric relations of the genetically diverse milkcap genus Lactifluus (Russulales, Basidiomycota) are poorly known. Currently used classification systems still largely reflect the traditional, mainly morphological, characters used for infrageneric delimitations of milkcaps. Increased sampling, combined with small-scale molecular studies, show that this genus is underexplored and in need of revision. For this study, we assembled an extensive dataset of the genus Lactifluus, comprising 80 % of all known species and 30 % of the type collections. To unravel the infrageneric relationships within this genus, we combined a multi-gene molecular phylogeny, based on nuclear ITS, LSU, RPB2 and RPB1, with a morphological study, focussing on five important characteristics (fruit body type, presence of a secondary velum, colour reaction of the latex/context, pileipellis type and presence of true cystidia). Lactifluus comprises four supported subgenera, each containing several supported clades. With extensive sampling, ten new clades and at least 17 new species were discovered, which highlight the high diversity in this genus. The traditional infrageneric classification is only partly maintained and nomenclatural changes are proposed. Our morphological study shows that the five featured characteristics are important at different evolutionary levels, but further characteristics need to be studied to find morphological support for each clade. This study paves the way for a more detailed investigation of biogeographical history and character evolution within Lactifluus.
    Keywords: milkcaps ; molecular evolution ; morphology ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
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    Taxonomy and evolutionary relationships within species of section Rimosae (Inocybe) based on ITS, LSU and mtSSU sequence data (2009)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 23 no. 1, pp. 86-98
    Details
    Publication Date: 2024-01-12
    Description: The present study aimed at elucidating the structure of Inocybe subg. Inosperma sect. Rimosae but included also representatives from subg. Mallocybe and the genus Auritella. Phylogenetic relationships were inferred using ITS, LSU and mtSSU sequence data. The analyses recovered the ingroup as a monophyletic, strongly supported clade. The results indicate that recognizing Auritella on the genus level renders Inocybe paraphyletic.\nThe species traditionally placed in sect. Rimosae were found to be distributed over two strongly supported clades, Maculata and Rimosae s.s. The Maculata clade clusters with sect. Cervicolores and the two represent subg. Inosperma in a strict sense. Rimosae s.s. emerges as an independent, supported clade well separated from Inosperma s.s. Twenty-one terminal groups were correlated with morphologically distinct species. In addition several taxa on single branches and minor less supported clades were recovered. A key to the identified species of the Maculata and Rimosae s.s. clades which occur in Northwest Europe is provided.
    Keywords: Agaricales ; Basidiomycota ; molecular systematics ; phylogeny ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Agaricus (Annularia) fenzlii red\xc3\xa9couvert dans les Pyr\xc3\xa9n\xc3\xa9es notes sur le genre Chamaeota en Europe (2007)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 19 no. 2, pp. 233-250
    Details
    Publication Date: 2024-01-12
    Description: Les Pluteaceae annel\xc3\xa9es, initialement d\xc3\xa9crits sous Annularia (ill\xc3\xa9gitime) puis Chamaeota, sont rarement observ\xc3\xa9es en Europe et in\xc3\xa9dites en France m\xc3\xa9tropolitaine.\nChamaeota fenzlii, jusqu\xe2\x80\x99alors seulement connu de quelques r\xc3\xa9coltes d\xe2\x80\x99Europe centrale et du Caucase, a \xc3\xa9t\xc3\xa9 observ\xc3\xa9 plusieurs fois dans les Pyr\xc3\xa9n\xc3\xa9es fran\xc3\xa7aises; il est red\xc3\xa9crit et pour la premi\xc3\xa8re fois illustr\xc3\xa9 par des photographies couleur. L\xe2\x80\x99identit\xc3\xa9 des r\xc3\xa9coltes pyr\xc3\xa9n\xc3\xa9ennes est discut\xc3\xa9e par rapport aux descriptions originales et aux autres r\xc3\xa9coltes connues. La planche de Kalchbrenner est d\xc3\xa9sign\xc3\xa9e comme lectotype d\xe2\x80\x99Agaricus fenzlii; l\xe2\x80\x99une des r\xc3\xa9coltes de Holl\xc3\xb3s est d\xc3\xa9sign\xc3\xa9e comme \xc3\xa9pitype.\nLa position syst\xc3\xa9matique des Pluteaceae annel\xc3\xa9es est discut\xc3\xa9e; une fois rejet\xc3\xa9s la plupart des taxons d\xc3\xa9crits par erreur dans les genres Annularia et Chamaeota, les cinq esp\xc3\xa8ces relictuelles de couleur jaune, affines \xc3\xa0 C. fenzlii, sont indissociables du genre Pluteus, sect. Hispidodermi; en pr\xc3\xa9lude \xc3\xa0 une r\xc3\xa9vision compl\xc3\xa8te des Pluteaceae annel\xc3\xa9s, le transfert de C. fenzlii dans le genre Pluteus est propos\xc3\xa9. Les combinaisons suivantes sont introduites: Pluteus fenzlii (Schulzer) Corriol & P.-A.\nMoreau, Pluteus subsect. Annularia (Schulzer) Corriol & P.-A. Moreau.
    Keywords: Basidiomycotina ; Pluteaceae ; Annularia fenzlii ; Pluteus ; taxonomy ; autecology ; chorology ; Pyr\xc3\xa9n\xc3\xa9es.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    The genus Elaphomyces (Ascomycota, Eurotiales): a ribosomal DNA-based phylogeny and revised systematics of European \xe2\x80\x98deer truffles\xe2\x80\x99 (2017)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 38, pp. 197-239
    Details
    Publication Date: 2024-01-12
    Description: Elaphomyces (\xe2\x80\x98deer truffles\xe2\x80\x99) is one of the most important ectomycorrhizal fungal genera in temperate and subarctic forest ecosystems, but also one of the least documented in public databases. The current systematics are mainly based on macromorphology, and is not significantly different from that proposed by Vittadini (1831). Within the 49 species recognised worldwide, 23 were originally described from Europe and 17 of these were described before the 20th century. Moreover, very recent phylogenetic treatments of the genus are mainly based on a few extra-European species and most common European species are still poorly documented. Based on an extensive taxonomic sampling mainly made in the biogeographically rich Cantabrian area (Spain), complemented with collections from France, Greece, Italy, Norway, Portugal and Sweden, all currently recognized species in Europe have been sequenced at the ITS and 28S of the rDNA. Combined phylogenetic analyses yielded molecular support to sections Elaphomyces and Ceratogaster (here emended), while a third, basal lineage encompasses the sections Malacodermei and Ascoscleroderma as well as the tropical genus Pseudotulostoma. Species limits are discussed and some taxa formerly proposed as genuine species based on morphology and biogeography are re-evaluated as varieties or forms. Spore size and ornamentation, features of the peridial surface, structure of the peridium, and the presence of mycelium patches attached to the peridial surface emerge as the most significant systematic characters. Four new species: E. barrioi, E. quercicola, E. roseolus and E. violaceoniger, one new variety: E. papillatus var. sulphureopallidus, and two new forms: E. granulatus forma pallidosporus and E. anthracinus forma talosporus are introduced, as well as four new combinations in the genus: E. muricatus var. reticulatus, E. muricatus var. variegatus, E. papillatus var. striatosporus and E. morettii var. cantabricus. Lectotypes and epitypes are designated for most recognised species. For systematic purposes, new infrageneric taxa are introduced: E. sect. Ascoscleroderma stat. nov., E. subsect. Sclerodermei stat. nov., E. subsect. Maculati subsect. nov., E. subsect. Muricati subsect. nov., and E. subsect. Papillati subsect. nov. Lastly, E. laevigatus, E. sapidus, E. sulphureopallidus and E. trappei are excluded from the genus and referred to Rhizopogon roseolus, Astraeus sapidus comb. nov., Astraeus hygrometricus and Terfezia trappei comb. nov. (syn.: Terfezia cistophila), respectively.
    Keywords: Astraeus ; Eurotiaceae ; Eurotiomycetes ; identification key ; nomenclature ; Pseudotulostoma ; rDNA phylogeny ; Rhizopogon ; taxonomy ; Terfezia
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    A multi-gene phylogeny of Lactifluus (Basidiomycota, Russulales) translated into a new infrageneric classification of the genus (2017)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 38, pp. 58-80
    Details
    Publication Date: 2024-03-06
    Description: Infrageneric relations of the genetically diverse milkcap genus Lactifluus (Russulales, Basidiomycota) are poorly known. Currently used classification systems still largely reflect the traditional, mainly morphological, characters used for infrageneric delimitations of milkcaps. Increased sampling, combined with small-scale molecular studies, show that this genus is underexplored and in need of revision. For this study, we assembled an extensive dataset of the genus Lactifluus, comprising 80 % of all known species and 30 % of the type collections. To unravel the infrageneric relationships within this genus, we combined a multi-gene molecular phylogeny, based on nuclear ITS, LSU, RPB2 and RPB1, with a morphological study, focussing on five important characteristics (fruit body type, presence of a secondary velum, colour reaction of the latex/context, pileipellis type and presence of true cystidia). Lactifluus comprises four supported subgenera, each containing several supported clades. With extensive sampling, ten new clades and at least 17 new species were discovered, which highlight the high diversity in this genus. The traditional infrageneric classification is only partly maintained and nomenclatural changes are proposed. Our morphological study shows that the five featured characteristics are important at different evolutionary levels, but further characteristics need to be studied to find morphological support for each clade. This study paves the way for a more detailed investigation of biogeographical history and character evolution within Lactifluus.
    Keywords: milkcaps ; molecular evolution ; morphology ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    Hygrophorus sect. Olivaceoumbrini: new boundaries, extended biogeography and unexpected diversity unravelled by transatlantic studies (2021)
    Naturalis Biodiversity Center
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 46, pp. 272-312
    Details
    Publication Date: 2024-04-15
    Description: As currently delineated, Hygrophorus sect. Olivaceoumbrini is a polyphyletic assembly within subg. Colorati, encompassing glutinous and pigmented taxa. According to available literature, between a dozen and twenty species may belong in the section, mostly represented in continental and boreal forests of Europe and North America. However, the limited phylogenetic and biogeographic coverage of the genus does not presently allow for a reliable assessment of its taxonomic boundaries, nor does it provide a complete picture of species diversity within sect. Olivaceoumbrini. In an ongoing effort to confer an evolutionary backbone to Hygrophorus systematics, we assembled and analysed a dataset comprising 268 intercontinental sequences, including holotypes of 7 taxa previously not positioned phylogenetically, and enriched with collections from largely unexplored Mediterranean and Anatolian ecosystems. Overall, 30 clades are identified within 5 distinct lineages, including 11 species putatively new to science. Seven of these are formally described here as H. agathosmoides, H. albofloccosus, H. canadensis, H. limosus, H. marcocontui, H. pinophilus and H. pustulatoides spp. nov. This enriched coverage of section Olivaceoumbrini s.lat. calls for a re-evaluation of its natural boundaries into a core monophyletic clade, including H. olivaceoalbus and five closely related lookalikes, as well as the assignment of the section rank to the four remaining lineages: sect. Fuscocinerei sect. nov., sect. Limacini sect. nov., sect. Nudolidi sect. nov. and sect. Tephroleuci, respectively. We also stabilize the usage of six historical names, H. glutinifer, H. hyacinthinus, H. mesotephrus, H. olivaceoalbus, H. pustulatus and H. tephroleucus, through designation of two neotypes, three lectotypes and four epitypes.
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; Hygrophorus latitabundus ; Hygrophorus olivaceoalbus ; Hygrophorus persoonii ; phylogeny ; taxonomy ; waxcap
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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