| Name | Athyrium filix-femina f. rubellum Gilbert |
| Authorship | Gilbert |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Athyrium filix-femina (Linnaeus) Roth |
| Citation | 1901 Working List N. Amer. Pterid. 35 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Athyrium filix-femina f. rubellum Gilbert |
| Identification made in | [no date] (2) |
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