A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America

Octospora gemmicola var. tetraspora (Pyronemataceae), a species of bryophilous ascomycete, is recorded for the first time in South America from Argentina. This taxon is characterized by its parasitism on the propaguliferous moss Bryum klinggraeffii and the presence of tetrasporic asci. Macroscopic a...

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Autor principal: Suárez, Guillermo M.
Formato: Artículo revista
Lenguaje:Inglés
Publicado: Instituto de Botánica del Nordeste 2025
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Acceso en línea:https://revistas.unne.edu.ar/index.php/bon/article/view/8388
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spelling I48-R154-article-83882025-08-14T23:24:29Z A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America Octospora tetrasporado (Pyronemataceae, Pezizales) en Sudamérica Suárez, Guillermo M. Apothecia Argentina Bryophyta Bryum Pezizales briófilos Apotecios Argentina Bryophyta Bryum bryoparasitic Pezizales Octospora gemmicola var. tetraspora (Pyronemataceae), a species of bryophilous ascomycete, is recorded for the first time in South America from Argentina. This taxon is characterized by its parasitism on the propaguliferous moss Bryum klinggraeffii and the presence of tetrasporic asci. Macroscopic and microscopic features and ecological aspects of Octospora gemmicola var. tetraspora are discussed. Furthermore, pictures regarding conditions of the Argentinian occurrences, microscopic characters including spores, and infection structure are provided. Other related Octospora species with four-spored asci are discussed with the Argentinian collection, including a comparative illustration. Octospora gemmicola var. tetraspora (Pyronemataceae), un ascomiceto briófilo, se registra para Sudamérica, en Argentina. Este espécimen se caracteriza por su parasitismo sobre el musgo propagulífero Bryum klinggraeffii y por la presencia de ascas tetrasporadas. Se discuten las características macroscópicas, microscópicas y aspectos ecológicos de Octospora gemmicola var. tetraspora. Además, se proporcionan imágenes que documentan las condiciones de las  ocurrencias argentinas, así como los caracteres microscópicos, incluidas las esporas y las estructuras de infección. Otras especies de Octospora de ascas con cuatro esporas se relacionan con la colección de Argentina, incluyendo una ilustración comparativa. Instituto de Botánica del Nordeste 2025-08-14 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unne.edu.ar/index.php/bon/article/view/8388 10.30972/bon.3428388 Bonplandia; Vol. 34 No. 2 (2025); 153-158 Bonplandia; Vol. 34 Núm. 2 (2025); 153-158 1853-8460 0524-0476 eng https://revistas.unne.edu.ar/index.php/bon/article/view/8388/8116 Derechos de autor 2025 Bonplandia http://creativecommons.org/licenses/by/4.0
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-154
container_title_str Revistas UNNE - Universidad Nacional del Noroeste (UNNE)
language Inglés
format Artículo revista
topic Apothecia
Argentina
Bryophyta
Bryum
Pezizales briófilos
Apotecios
Argentina
Bryophyta
Bryum
bryoparasitic Pezizales
spellingShingle Apothecia
Argentina
Bryophyta
Bryum
Pezizales briófilos
Apotecios
Argentina
Bryophyta
Bryum
bryoparasitic Pezizales
Suárez, Guillermo M.
A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
topic_facet Apothecia
Argentina
Bryophyta
Bryum
Pezizales briófilos
Apotecios
Argentina
Bryophyta
Bryum
bryoparasitic Pezizales
author Suárez, Guillermo M.
author_facet Suárez, Guillermo M.
author_sort Suárez, Guillermo M.
title A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
title_short A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
title_full A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
title_fullStr A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
title_full_unstemmed A tetrasporic Octospora (Pyronemataceae, Pezizales) in South America
title_sort tetrasporic octospora (pyronemataceae, pezizales) in south america
description Octospora gemmicola var. tetraspora (Pyronemataceae), a species of bryophilous ascomycete, is recorded for the first time in South America from Argentina. This taxon is characterized by its parasitism on the propaguliferous moss Bryum klinggraeffii and the presence of tetrasporic asci. Macroscopic and microscopic features and ecological aspects of Octospora gemmicola var. tetraspora are discussed. Furthermore, pictures regarding conditions of the Argentinian occurrences, microscopic characters including spores, and infection structure are provided. Other related Octospora species with four-spored asci are discussed with the Argentinian collection, including a comparative illustration.
publisher Instituto de Botánica del Nordeste
publishDate 2025
url https://revistas.unne.edu.ar/index.php/bon/article/view/8388
work_keys_str_mv AT suarezguillermom atetrasporicoctosporapyronemataceaepezizalesinsouthamerica
AT suarezguillermom octosporatetrasporadopyronemataceaepezizalesensudamerica
AT suarezguillermom tetrasporicoctosporapyronemataceaepezizalesinsouthamerica
first_indexed 2025-08-17T05:01:55Z
last_indexed 2025-08-17T05:01:55Z
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