| Name | Thelypteris palustris f. pufferae (A. A. Eaton) L. B. Smith |
| Authorship | (A. A. Eaton) L. B. Smith |
| Rank | Forma |
| Placed in | Thelypteris palustris Schott |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Thelypteris palustris f. pufferae (A. A. Eaton) L. B. Smith |
| Identification made in | [no date] (1), 1934 (1) |