Relationships between Australian and Northern Hemisphere Gymnopilus species II. A preliminary phylogeny of species of Gymnopilus and related genera based on internal transcribed spacer (ITS) region of ribosomal DNA
Rees, B.J.; Zuccarello, G.C.; Orlovich, D.A.
Mycotaxon 84: 93-110
Sequences from the Internal Transcribed Spacer (ITS) region of ribosomal DNA were used to generate a phylogeny for 30 Australian and Northern Hemisphere species of the saprotrophic genus Gymnopilus and related genera, currently included in the Cortinariaceae. Groupings of Northern and Southern Hemisphere species emerge which support morphological findings. Evidence strongly supports the uniqueness of all but one Australian species of this saprotrophic genus, Gymnopilus junonius, while also indicating relatedness to Northern Hemisphere species. Gymnopilus is only monophyletic when it includes Galerina eucalyptorum and Pyrrhoglossum pyrrhum - the type species of Pyrrhoglossum. Morphological and chemical evidence supports the incorporation of these two species into Gymnopilus as G. anomalus nom. nov. and Gymnopilus pyrrhum comb. nov. respectively. Molecular evidence also strongly supports the retention of Gymnopilus penetrans and Gymnopilus hybridus as separate species from Gymnopilus sapineus as described by Orton (1993).