| Name | Alectoria chalybeiformis f. nidulifera (Norrlin) G. Merrill |
| Authorship | (Norrlin) G. Merrill |
| Rank | Forma |
| Placed in | Alectoria chalybeiformis (Linnaeus) Gray |
| Citation | 1911 Bryologist 14: 37 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alectoria chalybeiformis f. nidulifera (Norrlin) G. Merrill |
| Identification made in | [no date] (1) |