| Name | Ludwigia hirtella Rafinesque |
| Authorship | Rafinesque |
| Rank | Species |
| Placed in | Ludwigia de Candolle |
| Citation | 1808 Med. Repos. hexade 2 5: 358 |
| Holdings | 65 Specimens held in the Harvard University Herbaria identified as Ludwigia hirtella Rafinesque |
| Identification made in | [no date] (26), 1942 (1), 1981 (37), 1982 (1) |