Basionym Name:Agaricus pyrrhaes Berk. & Broome, [as 'pyrrhaës'] J. Linn. Soc., Bot. 11(no. 56): 508 (1871)
Homotypic synonyms:Lepiota pyrrhaes (Berk. & Broome) Sacc., [as 'pyrrhaës'] Syll. fung. (Abellini) 5: 62 (1887)Mastocephalus pyrrhaes (Berk. & Broome) Kuntze, Revis. gen. pl. (Leipzig) 2: 860 (1891)