| Name | Ludwigia microcarpa Michaux | 
| Authorship | Michaux | 
| Rank | Species | 
| Placed in | Ludwigia de Candolle | 
| Citation | 1803 Fl. Bor.-Amer. [Michaux] 1: 88 | 
| Holdings | 54 Specimens held in the Harvard University Herbaria identified as Ludwigia microcarpa Michaux | 
| Identification made in | [no date] (42), 1981 (12) |