| Name | Mertensia horneri Piper |
| Authorship | Piper |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Mertensia |
| GUID | urn:lsid:ipni.org:names:118599-1 |
| Citation | 1906 Contr. U.S. Natl. Herb. 11: 479 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mertensia horneri Piper |
| Identification made in | 2014 (1) |