Fomitella supina (Sw.) Murrill , legitimate, scientific
Murrill, W.A. (1905), The Polyporaceae of North America: XI. A synopsis of the brown pileate species. Bulletin of the Torrey Botanical Club 32 (7): 365 [comb. nov.]
AusFungi (2019), AusFungi 21 Jan. 2019: - FungI [secondary reference]
synonym: Polyporus supinus (Sw.) Fr. legitimate synonym: Polyporus subolivaceus (Berk. & M.A.Curtis) Cooke legitimate synonym: Polyporus hemileucus Berk. & M.A.Curtis legitimate synonym: Fomes subolivaceus (Berk. & M.A.Curtis) Cooke legitimate synonym: Fomes hemileucus (Berk. & M.A.Curtis) Cooke legitimate synonym: Fomitopsis supina (Sw.) Ryvarden legitimate