Basionym Name:Sphaeronaema ferox De Not., Mém. R. Accad. Sci. Torino, Ser. 2 7: 12 (1845)
Homotypic synonyms:Pyrenochaeta ferox (De Not.) Sacc., Syll. fung. (Abellini) 3: 220 (1884)Zythia ferox (De Not.) Fr., Summa veg. Scand., Sectio Post. (Stockholm): 408 (1849)