| Name | Horkelia fusca var. filicoides (Crum) M. Peck |
| Authorship | (Crum) M. Peck |
| Rank | Variety |
| Placed in | Horkelia fusca Lindley |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Horkelia fusca var. filicoides (Crum) M. Peck |
| Identification made in | [no date] (6) |