| Name | Sagittaria platyphylla (Engelmann) J. G. Smith |
| Authorship | (Engelmann) J. G. Smith |
| Rank | Species |
| Placed in | Sagittaria Linnaeus |
| Citation | 1894 N. Amer. Sagittaria 55, t. 26 |
| Holdings | 62 Specimens held in the Harvard University Herbaria identified as Sagittaria platyphylla (Engelmann) J. G. Smith |
| Identification made in | [no date] (62) |