| Diplachne fascicularis (Lam.) P. Beauv., 1812 |
| Diplachne fusca (L.) P. Beauv. ex Roem. & Schult., 1817 |
| Diplachne fusca subsp. fascicularis (Lam.) P.M. Peterson & N. Snow, 2012 |
| Diplachne fusca subsp. uninervia (J. Presl) P.M. Peterson & N. Snow, 2012 |
| Diplachne guatemalensis Hack., 1902 |
| Diplachne halei Nash, 1899 |
| Diplachne imbricata (Thurb.) Scribn., 1883 |
| Diplachne latifolia (Griseb.) Hack., 1902 |
| Diplachne malabarica (L.) Merr., 1933 |
| Diplachne maritima E.P. Bicknell, 1908 |
| 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 |