| Name | Acrostichum firmum Mettenius |
| Authorship | Mettenius |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Acrostichum Linnaeus |
| GUID | urn:lsid:ipni.org:names:3717-2 |
| Citation | 1869 Linnaea 36: 55 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Acrostichum firmum Mettenius |
| Identification made in | 1994 (1) |