Tuber aztecorum sp. nov., a truffle species from Mexico belonging to the Maculatum clade (Tuberaceae, Pezizales)
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MycoKeys. 30: 61-72.
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.
KeywordsTaxonomy, systematics, phylogeny, hypogeous fungi, cryptic species
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. https://doi.org/10.3897/mycokeys.30.22887.