| 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) | 
