Claim: The Gymnipilus subsphaerosporus is a mushroom in the Cortinariaceae family, a large family of gilled mushrooms containing over 2100 species which is not widely eaten as there are many topxic species in the group.
Evidence: Gymnopilus subsphaerosporus is a species of mushroom in the family Cortinariaceae. The Cortinariaceae are a large family of gilled mushrooms found worldwide, containing over 2100 species. Despite the vast number of species in Cortinariaceae, this group is not widely eaten, and is generally avoided. There are many toxic species in this group and few are highly prized.