This name is a synonym of Oreostemma alpigenum var. andersonii (A.Gray) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record D07395DD-09D1-48D4-AB46-D2C3073F205B) with original publication details: 721 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1061689-2.
This name was in version 1 of The Plant List, record gcc-66922, and has not been changed.