This name is a synonym of Primula incana M.E. Jones.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50297992) with original publication details: Notes Roy. Bot. Gard. Edinburgh 16(76): 24 1928.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1040411-2.
This name was in version 1 of The Plant List, record tro-50297992, and has not been changed.