⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2664633, with some changes.
This name is a synonym of Perideridia gairdneri subsp. borealis .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Torrey Bot. Club 40: 67 1913.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:26052-2
.