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Issue: Vol. 672 No. 1: 19 Nov. 2024
Type: Article
Published: 2024-11-19
DOI: 10.11646/phytotaxa.672.1.2
Page range: 30-48
Abstract views: 70
PDF downloaded: 3

Rare Pleurotus species with veiled basidiomata from the Neotropics: neotypification of Pleurotus magnificus and epityfication of Pleurotus rickii

Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil.
Núcleo de Pós-graduação Stricto Sensu, Pós-graduação em Biodiversidade Vegetal e Meio Ambiente, Instituto de Pesquisas Ambientais, Av. Miguel Stefano 3687, Água Funda, 04301-012, São Paulo, São Paulo, Brazil. IFungiLab, Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP), Câmpus São Paulo (SPO), Departamento de Ciências da Natureza e Matemática (DCM), Subárea de Biologia (SAB), Rua Pedro Vicente 625, 01109-010, São Paulo, São Paulo, Brazil.
Núcleo de Pós-graduação Stricto Sensu, Pós-graduação em Biodiversidade Vegetal e Meio Ambiente, Instituto de Pesquisas Ambientais, Av. Miguel Stefano 3687, Água Funda, 04301-012, São Paulo, São Paulo, Brazil. IFungiLab, Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP), Câmpus São Paulo (SPO), Departamento de Ciências da Natureza e Matemática (DCM), Subárea de Biologia (SAB), Rua Pedro Vicente 625, 01109-010, São Paulo, São Paulo, Brazil.
Programa de Pós-Graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Universitário Trindade, CEP: 88040-900, Florianópolis, Santa Catarina, Brazil.
Atlantic Forest lectotypification phylogeny taxonomy threatened species Fungi

Abstract

Knowledge of Pleurotus in Brazil dates back to the 19th century, when European mycologists studied and described numerous Neotropical taxa. Some of these long-described species remain poorly known, mostly due to the lack of recent records, detailed morphological descriptions, and molecular data. During field surveys in Southeast and Southern Brazil, specimens of two rare Pleurotus species with veiled basidiomata, i.e. P. magnificus and P. rickii, were collected. These species are recorded for the first time in the state of Santa Catarina, Brazil, and P. magnificus for the first time in the states of Minas Gerais, Paraná and São Paulo. Updated and detailed morphological descriptions are provided. DNA sequences of the ITS and nLSU molecular markers were obtained for both species, and phylogenetic analyses were conducted to explore their relationships within Pleurotus. A neotype is designated for P. magnificus, and a lectotype and epitype are designated for P. rickii.

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