| Name | Leptogium platynum (Tuckerman) Herre |
| Authorship | (Tuckerman) Herre |
| Rank | Species |
| Placed in | Leptogium (Acharius) Gray |
| Citation | 1910 Proc. Wash. Acad. Sci. 12: 144 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Leptogium platynum (Tuckerman) Herre |
| Identification made in | [no date] (1), 1963 (1), 1966 (1) |