| Name | Antrophyum angustatum Brackenridge |
| Authorship | Brackenridge |
| Rank | Species |
| Placed in | Antrophyum Kaulfuss |
| GUID | urn:lsid:ipni.org:names:17022990-1 |
| Citation | 1854 U.S. Expl. Exped., Atlas Filic. 16: 63 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Antrophyum angustatum Brackenridge |
| Identification made in | [no date] (1), 2013 (1) |