Hemiaustroboletus , a new genus in the subfamily Austroboletoideae (Boletaceae, Boletales)

The present study describes in the subfamily Austroboletoideae (Boletaceae). is supported by morphological and molecular data using LSU and RPB2 regions. Additionally, its geographic distribution and intraspecific variation were inferred using ITS sequences. The genus is characterised by pileate-sti...

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Published inMycoKeys (Sofia, Bulgaria) Vol. 88; pp. 55 - 78
Main Authors Ayala-Vásquez, Olivia, García-Jiménez, Jesús, Aguirre-Acosta, Elvira, Castro-Rivera, Rigoberto, Ángeles-Argáiz, Rodolfo Enrique, Saldivar, Ángel Emmanuel, Garibay-Orijel, Roberto
Format Journal Article
LanguageEnglish
Published Bulgaria Pensoft Publishers 30.03.2022
Subjects
Americas
Biogeography
Boletaceae
Identification Key
Molecular Systematics
Taxonomy
Mexico
mycodiversity
new taxa
neotropics
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Summary:The present study describes in the subfamily Austroboletoideae (Boletaceae). is supported by morphological and molecular data using LSU and RPB2 regions. Additionally, its geographic distribution and intraspecific variation were inferred using ITS sequences. The genus is characterised by pileate-stipitate basidiomata; purple, brown, reddish-brown, orange-brown to dark brown vinaceous pileus; whitish or lilac to vinaceous context and a subclavate stipe. Microscopically, it is characterised by ornamented, slightly verrucose, cracked to perforated brown basidiospores. Two species are described within the genus, and is morphologically similar to , which suggests they may have been confused in the past. This study presents the phylogenetic placement, microscopic structures, detailed morphological descriptions and illustrations of both new species.
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Academic editor: Olivier Raspé
ISSN:1314-4057
1314-4049
DOI:10.3897/MYCOKEYS.88.73951