| Oplismenus cristatus J. Presl, 1830 |
| Oplismenus crus-galli (L.) Dumort., 1823 |
| Oplismenus crus-galli var. colonum (L.) Coss. & Durieu, 1854 |
| Oplismenus crus-galli var. hispidus Alph. Wood, 1871 |
| Oplismenus crus-galli var. muticus (Elliott) Alph. Wood, 1871 |
| Oplismenus crus-pavonis Kunth, 1816 |
| Oplismenus cubensis (Spreng.) Kunth, 1829 |
| Oplismenus decompositus Nees, 1833 |
| Oplismenus depauperatus E. Fourn., 1886 |
| Oplismenus echinatus (Willd.) Kunth, 1829 |
| Oplismenus foliaceus P. Beauv., 1812 |
| Oplismenus formosanus Honda, 1924 |
| Oplismenus hirtellus (L.) P. Beauv., 1812 |
| Oplismenus hirtellus subsp. fasciculatus U. Scholz, 1981 |
| Oplismenus hirtellus subsp. hirtellus (L.) P. Beauv., 1812 |
| Oplismenus hirtellus subsp. loliaceus (Lam.) Mez ex Peter, 1938 |
| Oplismenus hirtellus subsp. setarius (Lam.) Mez ex Ekman, 1913 |
| Oplismenus hispidus Alph. Wood, 1847 |
| Oplismenus holciformis Kunth, 1815 |
| Oplismenus humboldtianus Nees, 1829 |