| Name | Psittacanthus collum-cygni Eichler |
| Authorship | Eichler |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Psittacanthus |
| GUID | urn:lsid:ipni.org:names:551356-1 |
| Citation | 1868 Fl. Bras. [Martius] 5: 25, 35 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Psittacanthus collum-cygni Eichler |
| Identification made in | [no date] (1) |