| Name | Adiantum capillus-veneris var. elongatum Lemmon |
| Authorship | Lemmon |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Adiantum capillus-veneris Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Adiantum capillus-veneris var. elongatum Lemmon |
| Identification made in | [no date] (1) |