| Megalastrum gompholepis R.C. Moran & J. Prado, 2010 |
| Megalastrum lunense (Christ) A.R. Sm. & R.C. Moran, 1987 |
| Megalastrum mexicanum R.C. Moran & J. Prado, 2010 |
| Megalastrum pulverulentum (Poir.) A.R. Sm. & R.C. Moran, 1987 |
| Megalastrum sparsipilosum R.C. Moran & J. Prado, 2010 |
| Megalastrum subincisum (Willd.) A.R. Sm. & R.C. Moran, 1987 |
| Mickelia R.C. Moran, Labiak & Sundue, 2010 |
| Mickelia bernoullii (Kuhn ex H. Christ) R.C. Moran, Labiak & Sundue, 2010 |
| Mickelia hemiotis (Maxon) R.C. Moran Labiak & Sundue, 2010 |
| Mickelia pergamentacea (Maxon) R.C. Moran Labiak & Sundue, 2010 |
| Nephrodium Marthe ex Michx., 1803 |
| Nephrodium acrostichoides Michx., 1803 |
| Nephrodium caucaense Hieron., 1904 |
| Nephrodium cinereum Sodiro, 1908 |
| Nephrodium deflexum C. Presl, 1825 |
| Nephrodium denticulatum (Sw.) Fée, 1852 |
| Nephrodium fendleri (D.C. Eaton) Hook., 1862 |
| Nephrodium fendleri var. paucipinnatum Donn. Sm., 1887 |
| Nephrodium grisebachii Baker, 1867 |
| Nephrodium guatemalense Baker, 1874 |