| Name | Epidendrum alsum Ridley |
| Authorship | Ridley |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Epidendrum Linnaeus |
| Citation | 1886 Timehri 5: 202 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Epidendrum alsum Ridley |
| Identification made in | [no date] (4), 2025 (2) |