| Omphalotus olivascens H. E. Bigelow, O. K. Mill. & Thiers, 1976 |
| Omphalotus olivascens var. indigo G. Moreno, Esteve-Rav., Pöder & N. Ayala, 1993 |
| Omphalotus olivascens var. olivascens H. E. Bigelow, O. K. Mill. & Thiers, 1976 |
| Omphalotus subilludens (Murrill) H.E. Bigelow, 1982 |
| Rhodocollybia Singer, 1939 |
| Rhodocollybia butyracea (Bull.) Lennox, 1979 |
| Rhodocollybia butyracea f. butyracea (Bull.) Lennox, 1979 |
| Rhodocollybia maculata (Alb. & Schwein.) Singer, 1939 |
| Rhodocollybia maculata var. maculata (Alb. & Schwein.) Singer, 1939 |
| Rhodocollybia prolixa (Hornem.) Antonín & Noordel., 1997 |
| Rhodocollybia prolixa var. distorta (Fr.) Antonín, Halling & Noordel., 1997 |
| Rhodocollybia prolixa var. prolixa (Hornem.) Antonín & Noordel., 1997 |
| Tetrapyrgos E. Horak, 1987 |
| Tetrapyrgos nigripes (Schwein.) E. Horak, 1987 |
| Trogia Fr., 1836 |
| Trogia buccinalis (Mont.) Pat., 1889 |
| Trogia cantharelloides (Mont.) Pat., 1900 |