| Name | Dennstaedtia punctilobula f. schizophylla (Clute) Rugg |
| Authorship | (Clute) Rugg |
| Rank | Forma |
| Placed in | Dennstaedtia punctilobula (Michaux) T. Moore |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Dennstaedtia punctilobula f. schizophylla (Clute) Rugg |
| Identification made in | [no date] (1), 1921 (1), 2012 (1) |