| Name | Cladonia bacillaris f. clavata (Acharius) Vainio |
| Authorship | (Acharius) Vainio |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Cladonia bacillaris (Acharius) Genth |
| Citation | 1887 Acta Soc. Fauna Fl. Fenn. 4(1): 92 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cladonia bacillaris f. clavata (Acharius) Vainio |
| Identification made in | [no date] (1) |