Basionym Name:Agaricus ruficeps Berk. & M.A. Curtis, Proc. Amer. Acad. Arts & Sci. 4: 114 (1860)
Homotypic synonyms:Omphalia ruficeps (Berk. & M.A. Curtis) Sacc., Syll. fung. (Abellini) 5: 319 (1887)