| Name | Echinodorus quadricostatus Fassett |
| Authorship | Fassett |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Echinodorus |
| GUID | urn:lsid:ipni.org:names:58371-1 |
| Citation | 1955 Rhodora 57: 204 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Echinodorus quadricostatus Fassett |
| Identification made in | [no date] (1) |