This name is a synonym of Symphoricarpos albus var. pauciflorus (J.W. Robbins) S.F. Blake.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50089855) with original publication details: Bull. Torrey Bot. Club 5: 305 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:247056-2.
This name was in version 1 of The Plant List, record tro-50089855, and has not been changed.