| Aristida tenuifolia Hitchc., 1935 |
| Aristida tenuis (Kunth) Kunth, 1829 |
| Aristida tenuispica Hitchc., 1924 |
| Aristida ternipes Cav., 1799 |
| Aristida ternipes var. divergens (Vasey) Hitchc., 1924 |
| Aristida ternipes var. gentilis (Henrard) Allred, 1994 |
| Aristida ternipes var. minor (Vasey) Hitchc., 1933 |
| Aristida ternipes var. ternipes Cav., 1799 |
| Aristida tincta Trin. & Rupr., 1842 |
| Aristida tuitensis Sánchez-Ken & Dávila, 1995 |
| Aristida unilateralis Willd. ex Steud., 1840 |
| Aristida vaginata Hitchc., 1935 |
| Aristida vaseyi Wooton & Standl., 1912 |
| Aristida virletii E. Fourn., 1885 |
| Aristida vulgaris Trin. & Rupr., 1842 |
| Aristida vulgaris var. canariensis (Willd.) Trin. & Rupr., 1842 |
| Aristida wrightii Nash, 1903 |
| Aristideae C.E. Hubb., 1960 |
| Aristidium (Endl.) Lindl., 1847 |
| Aristidium Endl., 1836 |