| Name | Elodea occidentalis (Pursh) H. St. John |
| Authorship | (Pursh) H. St. John |
| Rank | Species |
| Placed in | Elodea |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Elodea occidentalis (Pursh) H. St. John |
| Identification made in | [no date] (1) |