Basionym: Agaricus carcharias Pers., Neues Magazin für die Botanik 1: 98 (1794) [MB#534594] Obligate synonyms: - Lepiota carcharias (Pers.) P. Karst., Bidrag till Kännedom av Finlands Natur och Folk 32: 14 (1879) [MB#221832] - Agaricus carcharius Pers. (1794) [MB#465213] - Agaricus granulosus var. carcharias (Pers.) Fr., Epicrisis Systematis Mycologici: 18 (1838) [MB#461624] - Lepiota granulosa var. carcharias (Pers.) P. Kumm., Der Führer in die Pilzkunde: 136 (1871) [MB#477068] - Agaricus carcharias Pers., Tentamen dispositionis methodicae Fungorum: 18 (1797) [MB#529877] - Mastocephalus carcharias (Pers.) Kuntze, Revisio generum plantarum 2: 859 (1891) [MB#622767] - Armillaria carcharias (Pers.) Kauffman, Papers of the Michigan Academy of Sciences 4: 317 (1925) [MB#653661] Taxonomic synonyms: - Cystoderma fallax A.H. Sm. & Singer, Papers of the Michigan Academy of Sciences 30: 116 (1945) [MB#285947] - Cystoderma carcharias var. fallax (A.H. Sm. & Singer) I. Saar, Mycological Progress 8 (1): 68 (2009) [MB#540441] - Cystoderma intermedium Harmaja, Karstenia 19: 27 (1979) [MB#312527]