Basionym Name:Agaricus griseo-olivascens Britzelm., Zur Hymenomycetenkunde 1: 5 (1895)
Homotypic synonyms:Entoloma griseo-olivascens (Britzelm.) Sacc. & P. Syd., Syll. fung. (Abellini) 14(1): 127 (1899)