| Name | Tetrathylacium macrophyllum Poeppig |
| Authorship | Poeppig |
| Rank | Species |
| Placed in | Tetrathylacium |
| Citation | 1843 Nov. Gen. Sp. Pl. (Poeppig & Endlicher) 3(5-6): 34 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tetrathylacium macrophyllum Poeppig |
| Identification made in | 2023 (1) |