| Name | Sagittaria variabilis Engelmann ex A. Gray |
| Authorship | Engelmann ex A. Gray |
| Rank | Species |
| Placed in | Sagittaria Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sagittaria variabilis Engelmann ex A. Gray |
| Identification made in | [no date] (2) |