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  • Title: Re-evaluation of the phylogenetic relationship among species of the genus Tricholoma.
    Author: Mankel A, Kost G, Kothe E.
    Journal: Microbiol Res; 1999 Jan; 153(4):377-88. PubMed ID: 10052159.
    Abstract:
    The internal transcribed spacer sequences spanning the regions between the 17S and 25S rRNAs (ITS1 and ITS2) and including the complete sequence of the 5.8S rRNA were used for phylogenetic analyses. This approach to define phylogenetic relationships within the genus Tricholoma was tested using different isolates of T. terreum. Fruitbodies identified in nature were analysed in order to allow use of morphology for taxonomy. The isolates from different locations were closely related as could be expected for one species. Thus, the method could be applied to different Tricholoma species. Three clusters within the genus Tricholoma can be distinguished with four additional species not included in any of these clusters. Molecular analyses of two Cortinarius species confirm a phylogenetically distinct genus.
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