Pseudoboletus silvaticus (Boletaceae, Basidiomycota), a new species from Mexico

ALONSO CORTÉS-PÉREZ; FLORENCIA RAMÍREZ-GUILLÉN; JESÚS GARCÍA-JIMÉNEZ; VIRGINIA RAMÍREZ-CRUZ; ALMA ROSA VILLALOBOS-ARÁMBULA; DOLORES MARINA BARRAGÁN REYNAGA; LAURA GUZMÁN-DÁVALOS

doi:10.11646/phytotaxa.589.1.3

Issue: Vol. 589 No. 1: 21 March 2023

Type: Article

Published: 2023-03-21

DOI: 10.11646/phytotaxa.589.1.3

Page range: 27-38

Abstract views: 116

PDF downloaded: 12

Pseudoboletus silvaticus (Boletaceae, Basidiomycota), a new species from Mexico

ALONSO CORTÉS-PÉREZ⁺⁻
FLORENCIA RAMÍREZ-GUILLÉN⁺⁻
JESÚS GARCÍA-JIMÉNEZ⁺⁻
VIRGINIA RAMÍREZ-CRUZ⁺⁻
ALMA ROSA VILLALOBOS-ARÁMBULA⁺⁻
DOLORES MARINA BARRAGÁN REYNAGA⁺⁻
LAURA GUZMÁN-DÁVALOS⁺⁻

Doctorado en Biosistemática, Ecología y Manejo de Recursos Naturales y Agrícolas, Universidad de Guadalajara, P.O. Box 1–139, Zapopan, Jalisco, 45147, Mexico

Instituto de Ecología, A.C., P.O. Box 63, Xalapa, Veracruz, 91000, Mexico

Tecnológico Nacional de México, Instituto Tecnológico de Cd. Victoria, Boulevard Emilio Portes Gil 1301 Pte., P.O. Box 175, Cd. Victoria, Tamaulipas, 87010, Mexico

CONACyT-Departamento de Botánica y Zoología, Universidad de Guadalajara, P.O. Box 1-139, Zapopan, Jalisco, 45147, Mexico

Departamento de Biología Celular y Molecular, Universidad de Guadalajara, Zapopan, Jalisco, 41501, Mexico

Departamento de Botánica y Zoología, Universidad de Guadalajara, P.O. Box 1–139, Zapopan, Jalisco, 45147, Mexico

taxonomy mycoparasite ectomycorrhizal new species tropical montane cloud forest Fungi

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Abstract

The genus Pseudoboletus includes parasitic fungi and is well known in temperate zones. In this paper, we present the first Mexican collections of this genus. Two specimens were collected in a field expedition in a tropical montane cloud forest on the San Martín Tuxtla volcano, Veracruz, Mexico, resulting in a new species of Pseudoboletus, which grows on fruiting bodies of Scleroderma nitidum. Descriptions, illustrations, and photographs of P. silvaticus sp. nov. are provided. Also, its phylogenetic position in the Boletineae tree was inferred using nuclear 28S rDNA (28S) and translation elongation factor-1α (tef–1α) with Maximum Likelihood method and Bayesian Inference. Comparison between nuclear rDNA internal transcribed spacer region (ITS) sequences of P. parasiticus from North America and Europe and the new taxon were made. The original diagnosis of the genus Pseudoboletus is emended to include this new species.

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