| Name | Sagittaria latifolia var. obtusa (Muhlenberg ex Willdenow) Engelmann |
| Authorship | (Muhlenberg ex Willdenow) Engelmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sagittaria latifolia Willdenow |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sagittaria latifolia var. obtusa (Muhlenberg ex Willdenow) Engelmann |
| Identification made in | 1969 (2) |