| Name | Dennstaedtia spinosa Mickel |
| Authorship | Mickel |
| Rank | Species |
| Placed in | Dennstaedtia |
| Citation | 1968 Amer. Fern J. 58(1): 90 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Dennstaedtia spinosa Mickel |
| Identification made in | [no date] (1), 2020 (1) |
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