Basionym Name:Boletus maximus Brot., Fl. lusit. 2: 468 (1804)
Homotypic synonyms:Cladomeris maxima (Brot.) Bigeard & H. Guill., Fl. Champ. Supér. France (Chalon-sur-Saône) 1: 409 (1909)Cladomeris schweinitzii var. maxima (Brot.) Quél., Enchir. fung. (Paris): 169 (1886)Daedalea maxima (Brot.) Fr., Syst. mycol. (Lundae) 1: 332 (1821)Heteroporus maximus (Brot.) Lázaro Ibiza, Revta R. Acad. Cienc. exact. fis. nat. Madr. 15(1-3): 138 (1916)Polyporus maximus (Brot.) Fr., Epicr. syst. mycol. (Upsaliae): 432 (1838)