⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50107299, with some changes.
This name is a synonym of Mertensia longiflora var. horneri .
The record derives from Tropicos which reports it as a synonym (record 50107299
) with original publication details: Contr. U.S. Natl. Herb. 11: 479 479 1906.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:157786-2
.