| Name | Ahnfeldtia plicata f. furcellata Collins |
| Authorship | Collins |
| Rank | Forma |
| Placed in | Ahnfeldtia plicata (Hudson) Fries |
| Citation | 1911 Rhodora 13: 187 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ahnfeldtia plicata f. furcellata Collins |
| Identification made in | [no date] (2) |
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