Basionym Name:Agaricus hypomelas Fr., Epicr. syst. mycol. (Upsaliae): 237 (1838)
Homotypic synonyms:Chalymmota hypomelas (Fr.) Cout., Brotéria, N.S. 9: 208 (1934)Panaeolus hypomelas (Fr.) Sacc., Syll. fung. (Abellini) 5: 1125 (1887)