| Name | Cladonia uncialis f. spinosa (H. Olivier) Harmand |
| Authorship | (H. Olivier) Harmand |
| Rank | Forma |
| Placed in | Cladonia uncialis (Linnaeus) F. H. Wiggers |
| GUID | urn:lsid:indexfungorum.org:names:466642 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Cladonia uncialis f. spinosa (H. Olivier) Harmand |
| Identification made in | [no date] (4) |
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