| Name | Cladonia tenuis f. decumbens (Harmand) Harmand | 
| Authorship | (Harmand) Harmand | 
| Rank | Forma | 
| Placed in | Cladonia tenuis (Flörke) Harmand | 
| GUID | urn:lsid:indexfungorum.org:names:466645 | 
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Cladonia tenuis f. decumbens (Harmand) Harmand | 
| Identification made in | [no date] (14) | 
