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 CF3ADBF5-FDA0-41F2-94F1-B3AA6A878223) with original publication details: Northw. Fl. 385 1912.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23495-2.
This name was in version 1 of The Plant List, record gcc-111686, and has not been changed.