| Name | Pleurothallis diffusa Poeppig & Endlicher |
| Authorship | Poeppig & Endlicher |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pleurothallis R. Brown |
| GUID | urn:lsid:ipni.org:names:652670-1 |
| Citation | 1836 Nov. Gen. Sp. Pl. (Poeppig & Endlicher) 1: 49 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Pleurothallis diffusa Poeppig & Endlicher |
| Identification made in | [no date] (18), 1955 (4), 1997 (1), 2011 (1) |