| Name | Marsilea tenuifolia Engelmann ex A. Braun |
| Authorship | Engelmann ex A. Braun |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Marsilea Linnaeus |
| GUID | urn:lsid:ipni.org:names:280440-2 |
| Citation | 1848 Amer. J. Sci. Ser. 2, 6: 89 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Marsilea tenuifolia Engelmann ex A. Braun |
| Identification made in | [no date] (1), 1947 (1), 1985 (2) |