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 50089854) with original publication details: Manual (ed. 5) 203 1867.
This name was in version 1 of The Plant List, record tro-50089854, and has not been changed.