This name is a synonym of Xanthisma grindelioides (Nutt.) D.R.Morgan & R.L.Hartm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E360D6AF-2F52-4E5A-BA80-A34C77134ABC) with original publication details: 40 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:148355-2.
This name was in version 1 of The Plant List, record gcc-104345.