Name requested: Polyporus portoricensisMycotaxon 41 (2): 367.
Homotypic synonym: Fuscocerrena portoricensisMycologia 79 (2): 254. Mycotaxon 15: 426. 18 (2): 509, 512. 41 (2): 367. 76: 352. 78: 399. 82: 298, 303, 307.
Heterotypic synonym: Irpex farinaceusMycologia 9 (3): 162. 33 (5): 575. 40 (4): 500. 46 (4): 492. 46 (5): 687.
Heterotypic synonym: Daedalea farinaceaMycologia 53 (5): 504. Mycotaxon 8 (1): 224.