Basionym Name:Agaricus sulfurellus Kalchbr., in Cooke, Grevillea 8(no. 46): 69 (1879)
Homotypic synonyms:Lepiota sulfurella (Kalchbr.) Sacc., Syll. fung. (Abellini) 5: 58 (1887)Mastocephalus sulfurellus (Kalchbr.) Kuntze, Revis. gen. pl. (Leipzig) 2: 860 (1891)