Basionym Name:Polyporus depressus Pat. & Gaillard, Bull. Soc. mycol. Fr. 4(3): 129 (1889)
Homotypic synonyms:Leucoporus depressus (Pat. & Gaillard) Pat., Essai Tax. Hyménomyc. (Lons-le-Saunier): 82 (1900)