| Name | Cladonia deformis f. extensa (Hoffmann) Vainio |
| Authorship | (Hoffmann) Vainio |
| Rank | Forma |
| Placed in | Cladonia deformis (Linnaeus) Hoffmann |
| GUID | urn:lsid:indexfungorum.org:names:602793 |
| Holdings | 58 Specimens held in the Harvard University Herbaria identified as Cladonia deformis f. extensa (Hoffmann) Vainio |
| Identification made in | [no date] (58) |
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