| Name | Cladonia gracilis subsp. elongata (Jacquin) Vainio |
| Authorship | (Jacquin) Vainio |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Cladonia gracilis (Linnaeus) Willdenow |
| GUID | urn:lsid:indexfungorum.org:names:475341 |
| Citation | 1922 Acta Soc. Fauna Fl. Fenn. 53(1): 92 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Cladonia gracilis subsp. elongata (Jacquin) Vainio |
| Identification made in | [no date] (24) |