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Issue: Vol. 637 No. 1: 15 Feb. 2024
Type: Article
Published: 2024-02-15
DOI: 10.11646/phytotaxa.637.1.3
Page range: 45-61
Abstract views: 192
PDF downloaded: 3

New species of Microglossum (Leotiales: Leotiomycetes) from Brazil

Programa de Pós-graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; MIND.Funga (Monitoring and Inventorying Neotropical Diversity of Fungi) - MICOLAB, Brazil; Herbário Barbosa Rodrigues, Universidade do Vale do Itajaí, Av. Cel. Marcos Konder, 800, Centro, CEP 88301-302, Itajaí, SC, Brazil
Programa de Pós-graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; MIND.Funga (Monitoring and Inventorying Neotropical Diversity of Fungi) - MICOLAB, Brazil
Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Microbiologia, CEP 31270-901, Belo Horizonte, MG, Brazil
Programa de Pós-graduação em Biologia de Fungos, Algas e Plantas, Departamento de Botânica, Universidade Federal de Santa Catarina, Campus Trindade, 88040-900, Florianópolis, SC, Brazil; MIND.Funga (Monitoring and Inventorying Neotropical Diversity of Fungi) - MICOLAB, Brazil
Ascomycota Amazon Atlantic Rainforest earthtongues Helotiales Leotiomycetes Fungi

Abstract

Microglossum is a genus of bright colored earth tongues with hyaline ascospores. Although relatively common in the North Hemisphere, there are very few collections of this genus in South America. In Brazil, one species is recognized: Microglossum rickii, which belongs to the scaly-stipitate group. However, we have now identified three additional species, based on fresh and herbarium specimens of this genus in Brazil that do not match any known species. Therefore, we are describing them as new species: Microglossum azeurum, characterized by bright blue ascomata and found in Southern Brazil, sister to an unnamed Microglossum species from Chile, and M. sourellae and M. popovkinii, both featuring pale yellow ascomata and distributed in Midwestern Brazil, with M. popovkinii extending also to Northeastern Brazil, retrieved as sister to Microglossum macrosporum clade.

 

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