Basionym Name:Agaricus extinctorius L., Sp. pl. 2: 1174 (1753)
Homotypic synonyms:Amanita extinctoria (L.) Roussel, Fl. Calvados: 34 (1796)Mastocephalus extinctorius (L.) Kuntze, Revis. gen. pl. (Leipzig) 3(3): 478 (1898)