Basionym: Hydnum nigrum Fr., Observationes mycologicae 1: 134 (1815) [MB#229412] Obligate synonyms: - Calodon niger (Fr.) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 191 (1886) [MB#433323] - Hydnellum nigrum (Fr.) P. Karst., Meddelanden af Societas pro Fauna et Flora Fennica 5: 41 (1879) [MB#100979] Taxonomic synonyms: - Hydnum cuneatum Lloyd, Bulletin of the Lloyd Library 35: 68 (1936) [MB#251689] - Hydnum olidum Berk., Journal of the Linnean Society. Botany 16: 51 (1877) [MB#202061] - Calodon olidus (Berk.) S. Ito, Mycological Flora of Japan. Basidiomycetes 2(4): 177 (1955) [MB#327261] - Hydnum confluens Peck, Annual Report on the New York State Museum of Natural History 26: 71 (1874) [MB#228259] - Hydnum albonigrum Peck, Annual Report on the New York State Museum of Natural History 50: 110 (1897) [MB#244427] - Calodon alboniger (Peck) Seeler, Rhodora 44: 168 (1942) [MB#284710] - Hydnellum albonigrum (Peck) Ragab, Mycologia 45 (6): 944 (1953) [MB#298545] - Phellodon alboniger (Peck) Banker, Memoirs of the Torrey Botanical Club 12: 167 (1906) [MB#438826] - Phellodon niger var. alboniger (Peck) K.A. Harrison, Publications of the Department of Agriculture Canada 1099: 22 (1961) [MB#349973] - Hydnum suberosum var. cinereum Batsch, Elenchus fungorum. Continuatio secunda: 107, t. 40:223 (1789) [MB#469532] - Hydnum cinereum (Batsch) Pers., Mycologia Europaea 2: 168 (1825) [MB#473923] - Hydnum melilotinum Quél., Bulletin de la Société Botanique de France 25 (4): 290 (1879) [MB#200391] - Hydnum olivaceonigrum Secr., Mycographie Suisse, ou Description des Champignons, qui Croissent en Suisse, Particulièrment dans le Canton de Vaud, aux Environs de Lausanne 2: 520 (1833) [MB#469524] - Hydnum pullum Sw., Kungl. Svenska Vetenskapsakad. Handl.: 248 (1810) [MB#232554] - Hydnum nigrum subsp. melilotinum (Quél.) Sacc., Sylloge Fungorum 6: 442 (1888) [MB#138479] - Hydnum cinereum (Batsch) Pers. (1825) [MB#201510] - Hydnum nigrum subsp. melilotinum (Quél.) Sacc.: 442 (1888) [MB#587641] - Phellodon nigrum (Fr.) P. Karst. (1881) [MB#275409]