This name is a synonym of Plectranthus alpinus (Vatke) Ryding.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 45853) with original publication details: Ann. Naturhist. Mus. Wien 77: 32 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:445910-1.
This name was in version 1 of The Plant List, record kew-45853.