| Name | Ludwigia pilosa Walter |
| Authorship | Walter |
| Rank | Species |
| Placed in | Ludwigia de Candolle |
| Citation | 1788 Fl. Carol. [Walter] 89 |
| Holdings | 71 Specimens held in the Harvard University Herbaria identified as Ludwigia pilosa Walter |
| Identification made in | [no date] (46), 1981 (22), 2005 (3) |