| Name | Mertensia laevigata var. brachycalyx J. F. Macbride |
| Authorship | J. F. Macbride |
| Rank | Variety |
| Placed in | Mertensia laevigata Piper |
| Citation | 1916 Contr. Gray Herb. 48: 10 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mertensia laevigata var. brachycalyx J. F. Macbride |
| Identification made in | 1916 (1) |