| 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) | 
