| Name | Psammisia longicaulis A. C. Smith |
| Authorship | A. C. Smith |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Psammisia Klotzsch |
| GUID | urn:lsid:ipni.org:names:211049-2 |
| Citation | 1950 Contr. U.S. Natl. Herb. 29: 370 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Psammisia longicaulis A. C. Smith |
| Identification made in | [no date] (1), 2008 (1) |