This name is a synonym of Lathrocasis tenerrima (A.Gray) L.A.Johnson.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Proc. Amer. Acad. Arts 8: 277 1870.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:110437-2.
This name was in version 1 of The Plant List, record kew-2825908, and has not been changed.