| Name | Cladonia leptothallina G. Merrill |
| Authorship | G. Merrill |
| Rank | Species |
| Placed in | Cladonia P. Browne |
| GUID | urn:lsid:indexfungorum.org:names:382885 |
| Citation | 1924 Bryologist 27: 21 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Cladonia leptothallina G. Merrill |
| Identification made in | [no date] (8) |