| Name | Lythrum flexuosum Lagasca |
| Authorship | Lagasca |
| Rank | Species |
| Placed in | Lythrum |
| Citation | 1816 Gen. Sp. Pl. [Lagasca] 16 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Lythrum flexuosum Lagasca |
| Identification made in | [no date] (4) |