Hidden fungal diversity from the neotropics: Geastrum hirsutum, G. Schweinitzii (basidiomycota, geastrales) and their allies

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Abstract

Taxonomy of Geastrum species in the neotropics has been subject to divergent opinions among specialists. In our study, type collections were reassessed and compared with recent collections in order to delimit species in Geastrum, sect. Myceliostroma, subsect. Epigaea. A thorough review of morphologic features combined with barcode and phylogenetic analyses (ITS and LSU nrDNA) revealed six new species (G. neoamericanum, G. rubellum, G. brunneocapillatum, G. baculicrystallum, G. rubropusillum and G. courtecuissei). In additon, the presence of hairs on the exoperidium, a commonly used feature to diagnose Geastrum species, proved to be ineffective because it is a derived character within subsect. Epigaea.

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Accioly, T., Sousa, J. O., Moreau, P. A., Lécuru, C., Silva, B. D. B., Roy, M., … Martín, M. P. (2019). Hidden fungal diversity from the neotropics: Geastrum hirsutum, G. Schweinitzii (basidiomycota, geastrales) and their allies. PLoS ONE, 14(2). https://doi.org/10.1371/journal.pone.0211388

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