This name is a synonym of Eucephalus glaucescens (A.Gray) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 36EDC94C-8DBE-4338-AB4C-5CFF818D148E) with original publication details: Rhodora 30 228 1928.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23491-2.
This name was in version 1 of The Plant List, record gcc-50166, and has not been changed.