| Name | Eulychnia acida Philippi |
| Authorship | Philippi |
| Rank | Species |
| Placed in | Eulychnia |
| Citation | 1864 Linnaea (Geneva) 33: 80 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eulychnia acida Philippi |
| Identification made in | [no date] (1) |