This name is a synonym of Stellaria longipes Goldie.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50108169) with original publication details: Fl. Ariz. New Mex. 92 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:244261-2.
This name was in version 1 of The Plant List, record tro-50108169.