This name is a synonym of Monardella sheltonii Torr. ex Durand.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 129413) with original publication details: Ann. Missouri Bot. Gard. 12: 50 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:163441-2.
This name was in version 1 of The Plant List, record kew-129413, and has not been changed.