| Name | Lindsaea angusta Copeland |
| Authorship | Copeland |
| Rank | Species |
| Placed in | Lindsaea Dryander ex Smith |
| Citation | 1952 Philipp. J. Sci. 81: 5 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lindsaea angusta Copeland |
| Identification made in | [no date] (1) |