| Name | Radula stenocalyx Montagne |
| Authorship | Montagne |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Radula Dumortier |
| Citation | 1885 Ann. Sci. Nat., Bot. ser. 4, 3: 315 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Radula stenocalyx Montagne |
| Identification made in | [no date] (1), 2022 (2) |