| Name | Nasturtium laxum S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Nasturtium Miller |
| GUID | urn:lsid:ipni.org:names:167317-2 |
| Citation | 1889 Proc. Amer. Acad. Arts 24: 39 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Nasturtium laxum S. Watson |
| Identification made in | [no date] (1) |