Gilbertson, R.L. & Ryvarden, L. (1986), North American Polypores 1: 275 [comb. nov.]

basionym: Polyporus nivosus Berk. legitimate

AusFungi (2019), AusFungi 21 Jan. 2019: - AFL [secondary reference]

nomenclatural synonym: Polyporus nivosus Berk. legitimate nomenclatural synonym: Trametes nivosa (Berk.) Murrill legitimate taxonomic synonym: Polyporus hispidans Berk. ex Fr. legitimate taxonomic synonym: Trametes ungulata Berk. legitimate synonym: Polyporus ungulatus (Berk.) Cooke legitimate synonym: Trametes hispidans (Berk. ex Fr.) G.Cunn. legitimate

Spirin, V., Runnel, K., Vlasák, J. et al. (2024), The genus Fomitopsis (Polyporales, Basidiomycota) reconsidered. Studies in Mycology 107: 241 [secondary reference]

• Comment: "... we exclude P. nivosus from Fomitopsis and leave the question about its identity and phylogenetic position for future studies."

---