Basionym:
Hydnum bicolor Alb. & Schwein., Conspectus Fungorum in Lusatiae superioris: 270 (1805) [MB#152995]
Obligate synonyms:
- Odontia bicolor (Alb. & Schwein.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 195 (1886) [MB#226810]
- Acia bicolor (Alb. & Schwein.) P. Karst., Meddelanden af Societas pro Fauna et Flora Fennica 5: 42 (1879) [MB#100919]
- Mycoacia bicolor (Alb. & Schwein.) Spirin & Zmitr., Novosti Sistematiki Nizshikh Rastenii 37: 182 (2004) [MB#366373]
Taxonomic synonyms:
- Hydnum subtile Fr., Systema Mycologicum 1: 425 (1821) [MB#209136]
- Acia subtilis (Fr.) P. Karst., Meddelanden af Societas pro Fauna et Flora Fennica 5: 42 (1879) [MB#100858]
- Odontia subtilis (Fr.) Quél., Flore mycologique de la France et des pays limitrophes: 435 (1888) [MB#440244]
- Hydnum ochroleucum var. subtile (Fr.) Pers., Mycologia Europaea 2: 186 (1825) [MB#439963]
- Kneiffia subgelatinosa Berk. & Broome, Ann. Mag. Nat. Hist. Ser. 4, 15 (85): 32 (1875) [MB#169022]
- Odontia subgelatinosa (Berk. & Broome) Cooke & Quél., Clavis synoptica Hymenomycetum Europaeorum: 206 (1878) [MB#509817]
- Hydnum serratum Peck, Rep. (Annual) New York State Mus. Nat. Hist. 50: 112 (1897) [MB#196753]
- Hydnum balsameum Peck, Bull. New York State Mus. 67: 75 (1904) [MB#176648]
- Hydnum echinosporum Velen., Ceské Houby 4-5: 745 (1922) [MB#439950]
- Sepedonium spinosum Sacc., Michelia 2 (8): 635 (1882) [MB#192006]
- Chrysosporium spinosum (Sacc.) Dominik, Zeszyty nauk. wyzsz. Szk. roln. Szczec. 24 (3): 59 (1968) [MB#328218]