| Name | Sagittaria engelmanniana subsp. brevirostra (Mackenzie & Bush) Bogin |
| Authorship | (Mackenzie & Bush) Bogin |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Sagittaria engelmanniana J. G. Smith |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sagittaria engelmanniana subsp. brevirostra (Mackenzie & Bush) Bogin |
| Identification made in | [no date] (1) |