Name requested: Tyromyces amarusMycotaxon 2 (1): 20. 12 (2): 373, 391, 407.
Homotypic synonym: Fomes amarusMycologia 12 (1): 15. 47 (2): 215. Sydowia 9 (1-6): 104, 182.
Homotypic synonym: Polyporus amarusMycologia 2 (3): 155. 13 (2): 114. 31 (6): 634, 645. 53 (5): 482. 57 (4): 642, 643, 644, 645, 646, 647, 648. Mycotaxon 2 (1): 20. 12 (2): 391.
Homotypic synonym: Oligoporus amarusMycotaxon 22 (2): 364.
Homotypic synonym: Postia amaraMycotaxon 26: 272.