Gilbertson, R.L. & Ryvarden, L. (1985), Some new combinations in Polyporaceae. Mycotaxon 22 (2): 364 [comb. nov.]

Han, M.-L., Chen, Y.-Y., Shen, L.-L. et al. (March 2016), Taxonomy and phylogeny of the brown-rot fungi: Fomitopsis and its related genera. Fungal Diversity 80: 360 [nomenclatural synonym]

nomenclatural synonym of: Niveoporofomes spraguei (Berk. & M.A.Curtis) B.K.Cui, M.L.Han & Y.C.Dai legitimate

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

synonym: Polyporus spraguei Berk. & M.A.Curtis legitimate

Spirin, V., Runnel, K., Vlasák, J. et al. (2024), The genus Fomitopsis (Polyporales, Basidiomycota) reconsidered. Studies in Mycology 107: 231 [secondary reference]

nomenclatural synonym: Polyporus spraguei Berk. & M.A.Curtis legitimate

---