| Name | Ludwigia lanceolata Elliott |
| Authorship | Elliott |
| Rank | Species |
| Placed in | Ludwigia de Candolle |
| Citation | 1817 Sketch Bot. S. Carolina [Elliott] 1(3): 213–214 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Ludwigia lanceolata Elliott |
| Identification made in | [no date] (12), 1981 (1) |