| Diplachne mendocina (Phil.) Kurtz, 1897 |
| Diplachne mexicana (Scribn.) Hack., 1902 |
| Diplachne monticola (Chase) McNeill, 1979 |
| Diplachne panicoides (J. Presl) McNeill, 1979 |
| Diplachne patens (J. Presl) É. Desv., 1854 |
| Diplachne pringlei Vasey ex Beal, 1896 |
| Diplachne procumbens Arechav., 1894 |
| Diplachne reptatrix (L.) Druce, 1928 |
| Diplachne reverchoni Vasey, 1886 |
| Diplachne rigida Vasey, 1891 |
| Diplachne scabra (Nees) Nicora, 1993 |
| Diplachne simplex Döll, 1878 |
| Diplachne spicata (Nees) Döll, 1878 |
| Diplachne tarapacana Phil., 1891 |
| Diplachne tracyi Vasey, 1888 |
| Diplachne uninervia (J. Presl) Parodi, 1925 |
| Diplachne uninervia f. uninervia (J. Presl) Parodi, 1925 |
| Diplachne virgata (J. Presl) Hack., 1902 |
| Diplachne viscida Scribn., 1883 |
| Diplachyrium Nees, 1828 |