| Name | Horkelia fusca subsp. pseudocapitata (Rydberg ex Howell) D. D. Keck |
| Authorship | (Rydberg ex Howell) D. D. Keck |
| Rank | Subspecies |
| Placed in | Horkelia fusca Lindley |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Horkelia fusca subsp. pseudocapitata (Rydberg ex Howell) D. D. Keck |
| Identification made in | [no date] (24) |