| Name | Isonema smeathmanni Roemer & Schultes |
| Authorship | Roemer & Schultes |
| Rank | Species |
| Placed in | Isonema |
| Citation | 1819 Syst. Veg., ed. 13. 4: 401 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Isonema smeathmanni Roemer & Schultes |
| Identification made in | [no date] (2), 1981 (10) |