| Name | Radula sullivantii Austin |
| Authorship | Austin |
| Rank | Species |
| Placed in | Radula Dumortier |
| Citation | 1873 Hepat. Bor.-Amer. Exsicc. 22 (88c) |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Radula sullivantii Austin |
| Identification made in | [no date] (17) |