| Name | Leptogium teretiusculum (Flörke) Arnold |
| Authorship | (Flörke) Arnold |
| Rank | Species |
| Placed in | Leptogium (Acharius) Gray |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Leptogium teretiusculum (Flörke) Arnold |
| Identification made in | [no date] (2), 1968 (1) |