| Name | Tristagma gracile (Philippi) Traub |
| Authorship | (Philippi) Traub |
| Rank | Species |
| Placed in | Tristagma Poeppig |
| Citation | 1963 Pl. Life 19: 61 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tristagma gracile (Philippi) Traub |
| Identification made in | 2017 (1) |