| Name | Mertensia paniculata var. longisepala J. F. Macbride |
| Authorship | J. F. Macbride |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Mertensia paniculata (Aiton) G. Don |
| GUID | urn:lsid:ipni.org:names:157839-2 |
| Citation | 1916 Contr. Gray Herb. 48: 6 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Mertensia paniculata var. longisepala J. F. Macbride |
| Identification made in | 1916 (1), 2015 (1) |