Basionym Name:Agaricus fuligineonigrescens Britzelm., Botan. Centralbl. 54(2): 39, tab. 118, fig. 611-612 (1893)
Homotypic synonyms:Omphalia fuligineonigrescens (Britzelm.) Sacc., Syll. fung. (Abellini) 11: 24 (1895)