| Name | Cladonia gracilis f. leucochlora (Acharius) Flörke |
| Authorship | (Acharius) Flörke |
| Rank | Forma |
| Placed in | Cladonia gracilis (Linnaeus) Willdenow |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Cladonia gracilis f. leucochlora (Acharius) Flörke |
| Identification made in | [no date] (4) |