| Name | Radula retroflexa Taylor |
| Authorship | Taylor |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Radula Dumortier |
| Citation | 1846 London J. Bot. 5: 378 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Radula retroflexa Taylor |
| Identification made in | [no date] (2), 1975 (1), 2004 (2), 2011 (1) |