| Name | Horkelia fusca var. tenuiloba Torrey |
| Authorship | Torrey |
| Rank | Variety |
| Placed in | Horkelia fusca Lindley |
| GUID | urn:lsid:ipni.org:names:124009-2 |
| Citation | 1857 Pacific Railr. Rep. 4, Pt. 5, No. 4 (Whipple) 84 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Horkelia fusca var. tenuiloba Torrey |
| Identification made in | [no date] (1), 1938 (1), 2013 (1) |