| Name | Cladonia exasperatula G. Merrill |
| Authorship | G. Merrill |
| Rank | Species |
| Placed in | Cladonia P. Browne |
| GUID | urn:lsid:indexfungorum.org:names:382842 |
| Citation | 1924 Bryologist 27: 23 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Cladonia exasperatula G. Merrill |
| Identification made in | [no date] (24) |
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