| Catathelasma Lovejoy, 1910 |
| Catathelasma imperiale (P. Karst.) Singer, 1940 |
| Catathelasma ventricosum (Peck) Singer, 1940 |
| Clitocybe (Fr.) Staude, 1857 |
| Clitocybe candicans (Pers.) P. Kumm., 1871 |
| Clitocybe clavipes (Pers.) P. Kumm., 1871 |
| Clitocybe cochleata (Pers.) P. Kumm., 1871 |
| Clitocybe cyathiformis (Bull.) P. Kumm., 1871 |
| Clitocybe ectypoides (Peck) Sacc., 1887 |
| Clitocybe fragrans (With.) P. Kumm., 1871 |
| Clitocybe gibba (Pers.) P. Kumm., 1871 |
| Clitocybe infundibuliformis Quél., 1872 |
| Clitocybe lazulina H. E. Bigelow, 1977 |
| Clitocybe metachroides Harmaja, 1969 |
| Clitocybe mexicana Murrill, 1911 |
| Clitocybe multiceps (Peck) Sacc., 1890 |
| Clitocybe nebularis (Batsch) P. Kumm., 1871 |
| Clitocybe nuda (Bull.) H.E. Bigelow & A.H. Sm., 1969 |
| Clitocybe odora (Bull.) Fr., 1871 |
| Clitocybe parilis (Fr.) Sacc., 1874 |