Basionym: Agaricus gibbus Pers., Synopsis methodica fungorum: 449 (1801) [MB#221680] Obligate synonyms: - Clitocybe gibba (Pers.) P. Kumm., Der Führer in die Pilzkunde: 123 (1871) [MB#356792] - Omphalia gibba (Pers.) Gray, A natural arrangement of British plants 1: 612 (1821) [MB#486487] - Clitocybe var. gibba (Pers.) Sacc. (1887) [MB#139760] - Clitocybe infundibuliformis f. gibba (Pers.) Sacc., Sylloge Fungorum 5: 165 (1887) [MB#581087] - Infundibulicybe gibba f. gibba (2003) [MB#544671] Taxonomic synonyms: - Clitocybe australis Murrill, Lloydia 7 (4): 303 (1945) [MB#285317] - Agaricus membranaceus Vahl, Fl. dan. 6: t. 1012 (1790) [MB#490291] - Clitocybe membranacea (Vahl) Sacc., Sylloge Fungorum 5: 166 (1887) [MB#177055] - Agaricus infundibuliformis var. membranaceus (Vahl) Fr., Epicrisis Systematis Mycologici: 68 (1838) [MB#457297] - Agaricus gibbus var. membranaceus (Vahl) Fr., Elenchus Fungorum 1: 13 (1828) [MB#497866] - Agaricus gibbus d membranaceus (Vahl) Fr.: 13 (1828) [MB#461579]