| Name | Polypodium firmulum Maxon |
| Authorship | Maxon |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polypodium Linnaeus |
| GUID | urn:lsid:ipni.org:names:17188880-1 |
| Citation | 1893 Bull. Misc. Inform. Kew 211 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polypodium firmulum Maxon |
| Identification made in | [no date] (1) |
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