| Name | Megarrhiza guadalupensis S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Megarrhiza |
| GUID | urn:lsid:ipni.org:names:293146-1 |
| Citation | 1876 Proc. Amer. Acad. Arts 11: 115, 138 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Megarrhiza guadalupensis S. Watson |
| Identification made in | [no date] (2) |