| Orthoclada rariflora (Lam.) P. Beauv., 1812 |
| Orthoclada rariflora var. lanceolata Döll, 1878 |
| Orthoclada rariflora var. rariflora (Lam.) P. Beauv., 1812 |
| Orthoclada rariflora var. sesquiflora Döll, 1878 |
| Orthoclada rariflora var. sesquitertia Döll, 1878 |
| Orthopogon R. Br., 1810 |
| Orthopogon (R. Br.) Döll, 1877 |
| Orthopogon bromoides Loudon, 1830 |
| Orthopogon burmanni (Retz.) R. Br., 1810 |
| Orthopogon burmanni var. glabrescens Buse, 1857 |
| Orthopogon burmannii (Retz.) Trin., 1820 |
| Orthopogon compositus (L.) R. Br., 1810 |
| Orthopogon crus-galli (L.) Spreng., 1825 |
| Orthopogon cubensis Spreng., 1825 |
| Orthopogon echinatus (Willd.) Spreng., 1825 |
| Orthopogon hirtellum (L.) Nutt., 1818 |
| Orthopogon hirtellus (L.) R. Br., 1810 |
| Orthopogon hispidus Spreng., 1825 |
| Orthopogon holciformis (Kunth) Spreng., 1825 |
| Orthopogon loliaceus (Lam.) Spreng., 1824 |