| Name | Dennstaedtia obtusifolia var. protrusa Christ |
| Authorship | Christ |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Dennstaedtia obtusifolia (Willdenow) T. Moore |
| Citation | 1901 Prim. Fl. Costaric. 3: 38 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Dennstaedtia obtusifolia var. protrusa Christ |
| Identification made in | [no date] (1) |
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