| Name | Ludwigia natans var. stipitata Fernald & Griscom |
| Authorship | Fernald & Griscom |
| Rank | Variety |
| Placed in | Ludwigia natans Elliott |
| GUID | urn:lsid:ipni.org:names:144381-2 |
| Citation | 1935 Rhodora 37: 175 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Ludwigia natans var. stipitata Fernald & Griscom |
| Identification made in | [no date] (2), 1942 (1), 1982 (1) |