Name requested: Polyporus tomentosus var. circinatusMycologia 64 (4): 863.
Homotypic synonym: Polyporus circinatusMycologia 12 (1): 13. 27 (6): 646. 34 (5): 583. 35 (6): 662, 666. 50 (5): 746. 53 (5): 477. Mycotaxon 38: 98.
Homotypic synonym: Trametes circinatusPersoonia 2 (2): 209.
Homotypic synonym: Inonotus circinatusMycotaxon 10 (2): 485. 38: 84.
Heterotypic synonym: Polyporus dualisMycologia 12 (1): 13. 53 (5): 477.
Heterotypic synonym: Polyporus leporinusMycologia 9 (3): 132.
Heterotypic synonym: Onnia leporinaMycotaxon 83: 221.
Heterotypic synonym: Inonotus leporinusMycotaxon 59: 390. 65: 273, 278, 280, 281.