Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses
<i>Laccaria</i> is a diverse and widespread genus of ectomycorrhizal fungi that form symbiotic associations with various trees and shrubs, playing a significant role in forest ecosystems. Approximately 85 <i>Laccaria</i> species are formally recognised, but recent studies ind...
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2024-12-01
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| author | Francesco Dovana Roberto Para Gabriel Moreno Edoardo Scali Matteo Garbelotto Bernardo Ernesto Lechner Luigi Forte |
| author_facet | Francesco Dovana Roberto Para Gabriel Moreno Edoardo Scali Matteo Garbelotto Bernardo Ernesto Lechner Luigi Forte |
| author_sort | Francesco Dovana |
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| description | <i>Laccaria</i> is a diverse and widespread genus of ectomycorrhizal fungi that form symbiotic associations with various trees and shrubs, playing a significant role in forest ecosystems. Approximately 85 <i>Laccaria</i> species are formally recognised, but recent studies indicate this number may be an underestimation, highlighting the need for further taxonomic studies to improve our understanding of species boundaries. This manuscript focuses on <i>Laccaria affinis</i>, originally described by Singer in 1967 as <i>Laccaria laccata</i> var. <i>affinis</i>, and details a comprehensive study of its morphological and molecular characteristics, including the examination of its holotype and recent collections from Italy and the United Kingdom. Our findings reveal significant micromorphological traits that enhance the original description. Phylogenetic analyses indicate that <i>L. affinis</i> occupies a distinct clade within Northern Hemisphere <i>Laccaria</i> species, although minimal genetic differences challenge its independence from <i>L. macrocystidiata</i>. Consequently, we propose that these two taxa be considered synonymous. This study not only contributes to the understanding of <i>Laccaria</i> diversity but also proposes the formal designation of an epitype for <i>L. affinis</i>, thereby providing a foundation for future research on this ecologically significant genus. Furthermore, a new species named <i>Laccaria albifolia</i> belonging to the “/Laccaria bicolor complex clade” is described here on the base of six collections from Italy and Spain. |
| format | Article |
| id | doaj-art-17854b01dd33412182bccb72427e5d66 |
| institution | Kabale University |
| issn | 2309-608X |
| language | English |
| publishDate | 2024-12-01 |
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| record_format | Article |
| series | Journal of Fungi |
| spelling | doaj-art-17854b01dd33412182bccb72427e5d662025-01-24T13:37:12ZengMDPI AGJournal of Fungi2309-608X2024-12-011111110.3390/jof11010011Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic AnalysesFrancesco Dovana0Roberto Para1Gabriel Moreno2Edoardo Scali3Matteo Garbelotto4Bernardo Ernesto Lechner5Luigi Forte6Dipartimento di Bioscienze, Biotecnologie e Ambiente (DBBA), Campus Universitario “Ernesto Quagliariello”, Università degli Studi di Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, ItalyVia Martiri di via Fani 22, 61024 Mombaroccio, ItalyDepartment of Life Sciences (Botany), Biology Building, University of Alcalá, 28805 Alcalá de Henares, SpainDepartment of Environmental Science, Policy and Management, University of California, 54 Mulford Hall, Berkeley, CA 94720, USADepartment of Environmental Science, Policy and Management, University of California, 54 Mulford Hall, Berkeley, CA 94720, USALaboratorio de Hongos Agaricales, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires 1428, ArgentinaDipartimento di Bioscienze, Biotecnologie e Ambiente (DBBA), Campus Universitario “Ernesto Quagliariello”, Università degli Studi di Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, Italy<i>Laccaria</i> is a diverse and widespread genus of ectomycorrhizal fungi that form symbiotic associations with various trees and shrubs, playing a significant role in forest ecosystems. Approximately 85 <i>Laccaria</i> species are formally recognised, but recent studies indicate this number may be an underestimation, highlighting the need for further taxonomic studies to improve our understanding of species boundaries. This manuscript focuses on <i>Laccaria affinis</i>, originally described by Singer in 1967 as <i>Laccaria laccata</i> var. <i>affinis</i>, and details a comprehensive study of its morphological and molecular characteristics, including the examination of its holotype and recent collections from Italy and the United Kingdom. Our findings reveal significant micromorphological traits that enhance the original description. Phylogenetic analyses indicate that <i>L. affinis</i> occupies a distinct clade within Northern Hemisphere <i>Laccaria</i> species, although minimal genetic differences challenge its independence from <i>L. macrocystidiata</i>. Consequently, we propose that these two taxa be considered synonymous. This study not only contributes to the understanding of <i>Laccaria</i> diversity but also proposes the formal designation of an epitype for <i>L. affinis</i>, thereby providing a foundation for future research on this ecologically significant genus. Furthermore, a new species named <i>Laccaria albifolia</i> belonging to the “/Laccaria bicolor complex clade” is described here on the base of six collections from Italy and Spain.https://www.mdpi.com/2309-608X/11/1/11<i>Agaricales</i>phylogenytaxonomy |
| spellingShingle | Francesco Dovana Roberto Para Gabriel Moreno Edoardo Scali Matteo Garbelotto Bernardo Ernesto Lechner Luigi Forte Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses Journal of Fungi <i>Agaricales</i> phylogeny taxonomy |
| title | Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses |
| title_full | Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses |
| title_fullStr | Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses |
| title_full_unstemmed | Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses |
| title_short | Description of the New Species <i>Laccaria albifolia</i> (Hydnangiaceae, Basidiomycota) and a Reassessment of <i>Laccaria affinis</i> Based on Morphological and Phylogenetic Analyses |
| title_sort | description of the new species i laccaria albifolia i hydnangiaceae basidiomycota and a reassessment of i laccaria affinis i based on morphological and phylogenetic analyses |
| topic | <i>Agaricales</i> phylogeny taxonomy |
| url | https://www.mdpi.com/2309-608X/11/1/11 |
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