| Leucoporus Quél., 1886 |
| Leucoporus hirtus (Cooke) Pat., 1900 |
| Leucoporus tricholoma (Mont.) Pat., 1903 |
| Lloydella Bres., 1901 |
| Lloydella albobadia (Schwein.) Höhn. & Litsch., 1907 |
| Lopharia Kalchbr. & MacOwan, 1881 |
| Lopharia cinerascens (Schwein.) G. Cunn., 1956 |
| Lopharia crassa (Lév.) Boidin, 1959 |
| Lopharia papyrina (Mont.) Boidin, 1959 |
| Loweporus J. E. Wright, 1976 |
| Loweporus tephroporus (Mont.) Ryvarden, 1980 |
| Megasporoporia Ryvarden & J. E. Wright, 1982 |
| Megasporoporia mexicana Ryvarden, 1982 |
| Megasporoporia setulosa (Henn.) Rajchenb., 1982 |
| Melanoporella Murrill, 1907 |
| Melanoporella carbonacea (Berk. & M. A. Curtis) Murrill, 1907 |
| Melanopus Pat., 1887 |
| Melanopus varius (Fr.) Pat.,1887 |
| Microporellus Murrill, 1905 |
| Microporellus dealbatus (Berk. & M. A. Curtis) Murrill, 1905 |