| Name | Ludwigia peploides subsp. montevidensis (Sprengel) P. H. Raven |
| Authorship | (Sprengel) P. H. Raven |
| Rank | Subspecies |
| Placed in | Ludwigia peploides (Kunth) P. H. Raven |
| Citation | 1963 Reinwardtia 6(4): 395 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ludwigia peploides subsp. montevidensis (Sprengel) P. H. Raven |
| Identification made in | [no date] (1) |