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    Author(s): Gonzalo Guevara-Guerrero; Gregory Bonito; Matthew E. Smith; Roseanne Healy; Arthur Grupe; Efren Cazares; Michael A. Castellano; James M. Trappe
    Date: 2018
    Source: MycoKeys. 30: 61-72.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: Download Publication  (1.0 MB)

    Description

    A new species of truffle, T. aztecorum, is described from central Mexico. Tuber aztecorum can be distinguished from other related Tuber species synoptically by a combination of morphological features including ascospore size, pellis cells with irregular thickness, cystidia, ascoma colour and associated host (Abies religiosa an endemic Abies species from central Mexico); sequence variation on the ITS rDNA also distinguishes T. aztecorum from related species. A phylogenetic analysis of the ITS rDNA demonstrates that T. aztecorum belongs to the Maculatum clade and is unique from other similar small, white-cream coloured Tuber species distributed in north-eastern Mexico such as T. castilloi and T. guevarai.

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    Citation

    Guevara-Guerrero, Gonzalo; Bonito, Gregory; Smith, Matthew E.; Healy, Roseanne; Grupe, Arthur; Cazares, Efren; Castellano, Michael A.; Trappe, James M. 2018. Tuber aztecorum sp. nov., a truffle species from Mexico belonging to the Maculatum clade (Tuberaceae, Pezizales). MycoKeys. 30: 61-72.

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    Keywords

    Taxonomy, systematics, phylogeny, hypogeous fungi, cryptic species

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https://www.fs.usda.gov/treesearch/pubs/55868