Name requested: Oligoporus rancidusMycotaxon 22 (2): 365. 33: 275, 319. 76: 353. 79: 60. 97: 75.
Homotypic synonym: Poria rancidaMycologia 47 (3): 410. 53 (5): 497. Mycotaxon 12 (2): 388, 406. 19: 139. 22 (2): 365. 26: 272. 33: 319.
Homotypic synonym: Postia rancidaMycotaxon 26: 272. 103: 217, 218, 220, 221, 222.
Heterotypic synonym: Poria cognataMycologia 35 (2): 248. Mycotaxon 19: 139.