Current name: Butyrea luteoalba (P. Karst.) Miettinen, Ann. Bot. Fenn. 53: 161 (2016) [MB#816257]
Basionym:
Physisporus luteoalbus P. Karst., Rev. Mycol. (Toulouse) 9: 10 (1887) [MB#444628]
Obligate synonyms: - Junghuhnia luteoalba (P. Karst.) Ryvarden, Persoonia 7 (1): 18 (1972) [MB#315982]
- Poria luteoalba (P. Karst.) Sacc., Syll. Fung. 6: 229 (1888) [MB#225474]
- Chaetoporus luteoalbus (P. Karst.) M.P. Christ., Dansk Bot. Ark. 19 (2): 353 (1960) [MB#328105]
- Chaetoporellus luteoalbus (P. Karst.) Bondartsev, The Polyporaceae of the European USSR and Caucasia: 37 (1953) [MB#328100]
- Steccherinum luteoalbum (P. Karst.) Vesterh., Nordic J. Bot. 16 (2): 216 (1996) [MB#436330]
- Poria calcea f. luteoalba (P. Karst.) Bourdot & Galzin, Bull. Soc. Mycol. France 41 (1-2): 233 (1925) [MB#259355]
- Irpex luteoalbus (P. Karst.) Kotir. & Saaren., Polish Bot. J. 47 (2): 105 (2002) [MB#489750]
Taxonomic synonyms: - Physisporus flavicans P. Karst., Hedwigia 35: 44 (1896) [MB#472311]
- Poria flavicans (P. Karst.) Sacc. & P. Syd., Syll. Fung. 14: 188 (1899) [MB#150921]
- Polyporus flavicans (P. Karst.) Romell, Ark. Bot. 11 (3): 25 (1911) [MB#470834]