| Name | Cladonia rangiferina f. tenuior (Delise) Vainio | 
| Authorship | (Delise) Vainio | 
| Rank | Forma | 
| Placed in | Cladonia rangiferina (Linnaeus) F. H. Wiggers | 
| GUID | urn:lsid:indexfungorum.org:names:516452 | 
| Citation | 1887 Acta Soc. Fauna Fl. Fenn. 4(1): 16 | 
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Cladonia rangiferina f. tenuior (Delise) Vainio | 
| Identification made in | [no date] (10) |