| Name | Pitcairnia diffusa L. B. Smith |
| Authorship | L. B. Smith |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Pitcairnia L'Heritier |
| GUID | urn:lsid:ipni.org:names:200291-2 |
| Citation | 1948 Caldasia 5: 8 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Pitcairnia diffusa L. B. Smith |
| Identification made in | [no date] (3), 1986 (3) |