| Name | Cladonia macilenta subsp. bacillaris (Acharius) Boistel |
| Authorship | (Acharius) Boistel |
| Rank | Subspecies |
| Placed in | Cladonia macilenta Hoffmann |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cladonia macilenta subsp. bacillaris (Acharius) Boistel |
| Identification made in | [no date] (2) |