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CCDB → Angiosperms → Poaceae → Tristachya
| Taxon name | Status | Median (n) |
| Tristachya avenacea (J. Presl) Scribn. & Merr. | Accepted | 24 |
| Tristachya biseriata Stapf | Accepted | None |
| Tristachya leiostachya Nees | Accepted | 24 |
| Tristachya hispida (Nees) K. Schum. | Synonym of Tristachya leucothrix Trin. ex Nees | 12 |
| Dolichochaete nodiglumis (K. Schum.) J. B. Phipps | Synonym of Tristachya nodiglumis K. Schum. | 20 |
| Tristachya welwitschii Rendle | Synonym of Tristachya nodiglumis K. Schum. | 20 |
| Tristachya augusta J. B. Phipps | Synonym of Tristachya superba (D. Not.) Schweinf. & Asch. | 24 |
| Veseyochloa viridearistata J. B. Phipps | Synonym of Tristachya viridearistata (J. B. Phipps) Clayton | 12 |