| Name | Phthirusa retroflexa (Ruiz & Pavon) Kuijt |
| Authorship | (Ruiz & Pavon) Kuijt |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Phthirusa |
| GUID | urn:lsid:ipni.org:names:909559-1 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Phthirusa retroflexa (Ruiz & Pavon) Kuijt |
| Identification made in | 1988 (3) |