Basionym: Odontia crustosa Pers., Observationes mycologicae 2: 16 (1800) [MB#449618] Obligate synonyms: - Hyphodontia crustosa (Pers.) J. Erikss., Symb. Bot. Upsal. 16 (1): 104 (1958) [MB#298791] - Hydnum crustosum (Pers.) Pers., Synopsis methodica fungorum: 561 (1801) [MB#141136] - Kneiffiella crustosa (Pers.) Jülich & Stalpers, Verhandelingen Koninklijke Nederlandse Akademie van Wetenschappen Afdeling Natuurkunde 74: 134 (1980) [MB#111576] - Grandinia crustosa (Pers.) Fr., Epicrisis Systematis Mycologici: 528 (1838) [MB#179803] - Xylodon crustosus (Pers.) Chevall., Flore Générale des Environs de Paris 1: 272 (1826) [MB#505204] - Basidioradulum crustosum (Pers.) Zmitr., Malysheva & Spirin, Mycena 6: 44 (2006) [MB#521705] Taxonomic synonyms: - Grandinia burtii Peck, Annual Report on the New York State Museum of Natural History 53: 847 (1900) [MB#179903] - Odontia burtii (Peck) Gilb., Mycologia 54 (6): 663 (1963) [MB#335287] - Hyphodontia burtii (Peck) Gilb., Evolution in the higher Basidiomycetes: 300 (1971) [MB#315544] - Xylodon crustosum (Pers.) Chevall. (1826) [MB#472102] - Hydnum granulosum var. albicans Pers., Mycologia Europaea 2: 184 (1825) [MB#372990] - Odontia albicans (Pers.) L.W. Mill. & J.S. Boyle, University of Iowa Studies in Natural History 18 (2): 31 (1943) [MB#288833] - Hyphodontia albicans (Pers.) Parmasto, Conspectus Systematis Corticiacearum: 123 (1968) [MB#332400] - Hyphoderma albicans (Pers.) Nakasone, Mycologia Memoirs 15: 142 (1990) [MB#127416]