| Name | Sagittaria longiloba Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sagittaria Linnaeus |
| GUID | urn:lsid:ipni.org:names:58521-1 |
| Citation | Rep. U.S. Mex. Bound., Bot. 212 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Sagittaria longiloba Engelmann |
| Identification made in | [no date] (17) |
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