| Diplachne P. Beauv., 1812 |
| Diplachne acuminata Nash, 1901 |
| Diplachne brandegeei Vasey, 1889 |
| Diplachne carinata (Griseb.) Hack., 1900 |
| Diplachne domingensis (Jacq.) Chapm., 1897 |
| Diplachne dubia (Kunth) Scribn., 1883 |
| Diplachne dubia var. aristata Vasey, 1889 |
| Diplachne dubia var. humboldtiana Kuntze, 1898 |
| Diplachne dubia var. kurtziana Kuntze, 1898 |
| Diplachne dubia var. pringleana Kuntze, 1898 |
| 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 |