This name is a synonym of Eritrichium nanum var. argenteum (W.Wight) I.M.Johnst..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Torrey Bot. Club 29: 411 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:289530-2.
This name was in version 1 of The Plant List, record kew-2797665, and has not been changed.