| Name | Radula calcarata Stephani |
| Authorship | Stephani |
| Rank | Species |
| Placed in | Radula Dumortier |
| Citation | 1909 Rev. Bryol. 36: 140 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Radula calcarata Stephani |
| Identification made in | [no date] (1), 2022 (1) |