| Name | Eleocharis parvula f. spongiosa Fassett |
| Authorship | Fassett |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer |
| GUID | urn:lsid:ipni.org:names:89787-2 |
| Citation | 1937 Rhodora 39: 273 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eleocharis parvula f. spongiosa Fassett |
| Identification made in | [no date] (1) |