Basionym Name:Polystictus griseobrunneus Henn. ex Sacc. & P. Syd., Syll. fung. (Abellini) 14(1): 187 (1899)
Homotypic synonyms:Polyporus griseobrunneus (Henn. ex Sacc. & P. Syd.) Bres., Annls mycol. 14(3/4): 225 (1916)