| Name | Polypodium phyllitidis f. elongata Hieronymus |
| Authorship | Hieronymus |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Polypodium phyllitidis Linnaeus |
| Citation | 1904 Bot. Jahrb. Syst. 34: 534 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polypodium phyllitidis f. elongata Hieronymus |
| Identification made in | [no date] (1) |
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