| Name | Diplazium tenuifolium (Copeland) Lellinger |
| Authorship | (Copeland) Lellinger |
| Rank | Species |
| Placed in | Diplazium Swartz |
| Citation | 1984 Amer. Fern J. 74(2): 57 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Diplazium tenuifolium (Copeland) Lellinger |
| Identification made in | [no date] (2) |