| Name | Polytrichadelphus costaricensis E. B. Bartram |
| Authorship | E. B. Bartram |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polytrichadelphus |
| Citation | 1938 Ann. Bryol. 11: 26 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polytrichadelphus costaricensis E. B. Bartram |
| Identification made in | [no date] (1), 2015 (1) |