| Name | Adiantum capillus-veneris var. protrusum Fernald |
| Authorship | Fernald |
| Rank | Variety |
| Placed in | Adiantum capillus-veneris Linnaeus |
| GUID | urn:lsid:ipni.org:names:4876-2 |
| Citation | 1950 Rhodora 52: 203 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Adiantum capillus-veneris var. protrusum Fernald |
| Identification made in | [no date] (1), 2013 (1) |
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