| Name | Horkelia frondosa (Greene) Rydberg |
| Authorship | (Greene) Rydberg |
| Rank | Species |
| Placed in | Horkelia |
| GUID | urn:lsid:ipni.org:names:1061708-2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Horkelia frondosa (Greene) Rydberg |
| Identification made in | [no date] (1), 1938 (1) |