| Name | Dryopteris villosula var. inaequalis Gilbert |
| Authorship | Gilbert |
| Rank | Variety |
| Placed in | Dryopteris villosula C. Christensen |
| Citation | 1897 Bull. Torrey Bot. Club 24: 259 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Dryopteris villosula var. inaequalis Gilbert |
| Identification made in | [no date] (1) |
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