Basionym Name:Polyporus cupuliformis Berk. & M.A. Curtis, [as 'cupulaeformis'] Hooker's J. Bot. Kew Gard. Misc. 1: 103 (1849)
Homotypic synonyms:Enslinia cupuliformis (Berk. & M.A. Curtis) Pat., Essai Tax. Hyménomyc. (Lons-le-Saunier): 104 (1900)