| Name | Cladonia reticulata f. lacunosa (Bory ex Tuckerman) Vainio |
| Authorship | (Bory ex Tuckerman) Vainio |
| Rank | Forma |
| Placed in | Cladonia reticulata (J. L. Russell) Vainio |
| Citation | 1887 Acta Soc. Fauna Fl. Fenn. 4(no. 1): 282 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cladonia reticulata f. lacunosa (Bory ex Tuckerman) Vainio |
| Identification made in | [no date] (1) |