| Phaeocollybia amygdalospora Band.-Muñoz & E. Horak, 1996 |
| Phaeocollybia arduennensis Bon, 1979 |
| Phaeocollybia attenuata (A. H. Sm.) Singer, 1951 |
| Phaeocollybia attenuata subsp. attenuata (A. H. Sm.) Singer, 1951 |
| Phaeocollybia attenuata subsp. mexicana Singer, 1958 |
| Phaeocollybia californica A. H. Sm., 1957 |
| Phaeocollybia christinae (Fr.) R. Heim, 1931 |
| Phaeocollybia cidaris (Fr.) Romagn., 1944 |
| Phaeocollybia festiva (Fr.) R. Heim, 1944 |
| Phaeocollybia guzmanii Band.-Muñoz & Montoya, 1994 |
| Phaeocollybia herrerae Band.-Muñoz & Montoya, 1996 |
| Phaeocollybia hilaris (Fr.) Romagn., 1944 |
| Phaeocollybia kauffmanii (A. H. Sm.) Singer, 1940 |
| Phaeocollybia latispora Guzmán, Band.-Muñoz & Montoya, 1989 |
| Phaeocollybia lugubris (Fr.) R. Heim, 1931 |
| Phaeocollybia martinicensis Guzmán, Montoya & Band.-Muñoz, 1989 |
| Phaeocollybia mexicana Corner & E. Horak, 1977 |
| Phaeocollybia moseri Band.-Muñoz & Guzmán, 1996 |
| Phaeocollybia neosimilis Singer, 1986 |
| Phaeocollybia oligoporpa Singer, 1987 |