| Trisetum (Colobanthium) Rchb., 1841 |
| Trisetum airoides (Koeler) P. Beauv. ex Roem. & Schult., 1817 |
| Trisetum alaskanum Nash, 1901 |
| Trisetum altijugum (E. Fourn.) Scribn., 1906 |
| Trisetum altum Swallen, 1953 |
| Trisetum americanum Gand., 1902 |
| Trisetum andinum Phil., 1858 |
| Trisetum angustum Swallen, 1953 |
| Trisetum antarcticum (J.R. Forst.) Trin., 1830 |
| Trisetum bambusiforme E. Fourn., 1886 |
| Trisetum barbatipaleum (Hultén ex Veldkamp) Finot, 2003 |
| Trisetum barbatoides Beal, 1896 |
| Trisetum barbatoides var. sulcatus Beal, 1896 |
| Trisetum barbatum Steud., 1854 |
| Trisetum barbatum var. major Vasey, 1893 |
| Trisetum brittonii Nash, 1900 |
| Trisetum californicum Vasey, 1892 |
| Trisetum congdonii Scribn. & Merr., 1902 |
| Trisetum cristatum (L.) Potztal, 1968 |
| Trisetum curvisetum Morden & Valdés-Reyna, 1983 |