| Name | Cladonia pyxidata f. pterygota (Flörke) Sandstede |
| Authorship | (Flörke) Sandstede |
| Rank | Forma |
| Placed in | Cladonia pyxidata (Linnaeus) Hoffmann |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Cladonia pyxidata f. pterygota (Flörke) Sandstede |
| Identification made in | [no date] (6) |
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