⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2701623, 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 and as an illegitimate name with original publication details: Montana Agric. Coll. Sci. Studies Bot. 1: 91 1905.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:47765-2
.