This name is a synonym of Clarkia amoena subsp. lindleyi (Douglas) H.F.Lewis & M.R.Lewis.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bot. Mag. 55: t. 2832 1828.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:613835-1.
This name was in version 1 of The Plant List, record kew-2399017.