| Name | Cladonia gracilis f. amaura (Flörke) Becker |
| Authorship | (Flörke) Becker |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Cladonia gracilis (Linnaeus) Willdenow |
| Citation | 1828 Fl. Frankfurt 147 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cladonia gracilis f. amaura (Flörke) Becker |
| Identification made in | [no date] (1) |
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