Basionym Name:Agaricus polysarcos Kalchbr. & MacOwan, in Kalchbrenner, Grevillea 9(no. 51): 107 (1881)
Homotypic synonyms:Lepiota polysarca (Kalchbr. & MacOwan) Sacc., Syll. fung. (Abellini) 5: 30 (1887)Mastocephalus polysarcus (Kalchbr. & MacOwan) Kuntze, Revis. gen. pl. (Leipzig) 2: 860 (1891)