| Name | Urostachys poseidonis Herter |
| Authorship | Herter |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Urostachys |
| GUID | urn:lsid:ipni.org:names:260493-2 |
| Citation | 1954 [1953] Revista Sudamer. Bot. 10: 122-123 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Urostachys poseidonis Herter |
| Identification made in | 1989 (1) |