| Name | Porroglossum olivaceum H. R. Sweet |
| Authorship | H. R. Sweet |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Porroglossum Schlechter |
| GUID | urn:lsid:ipni.org:names:208383-2 |
| Citation | 1970 Orquideologia 5: 167 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Porroglossum olivaceum H. R. Sweet |
| Identification made in | [no date] (2), 2011 (3) |