Basionym Name:Sphaeria pachyascus Cooke & Ellis, Grevillea 4(no. 32): 179 (1876)
Homotypic synonyms:Kalmusia pachyasca (Cooke & Ellis) Sacc., Syll. fung. (Abellini) 2: 144 (1883)Melanomma pachyascum (Cooke & Ellis) Berl., Icon. fung. (Abellini) 1(1): 37 (1890)