⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2685583, with some changes.
This name is a synonym of Buddleja racemosa subsp. incana .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rep. U.S. Mex. Bound. 2(1): 121 1859.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:37796-2
.