| Name | Leptogium marginellum var. isidiosellum Riddle |
| Authorship | Riddle |
| Rank | Variety |
| Placed in | Leptogium marginellum (Swartz) S. Gray |
| GUID | urn:lsid:indexfungorum.org:names:454689 |
| Citation | 1918 Brooklyn Bot. Gard. Mem. 1: 115 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Leptogium marginellum var. isidiosellum Riddle |
| Identification made in | [no date] (1) |