| Name | Orthostichopsis tetragona (Swartz ex Hedwig) Brotherus |
| Authorship | (Swartz ex Hedwig) Brotherus |
| Rank | Species |
| Placed in | Orthostichopsis |
| Citation | 1906 Nat. Pflanzenfam. [Engler & Prantl] I(3): 805 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Orthostichopsis tetragona (Swartz ex Hedwig) Brotherus |
| Identification made in | [no date] (5) |