| Name | Elatine gracilis H. Mason |
| Authorship | H. Mason |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Elatine Linnaeus |
| GUID | urn:lsid:ipni.org:names:89511-2 |
| Citation | 1956 MadroƱo 13: 240 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Elatine gracilis H. Mason |
| Identification made in | [no date] (1) |