This name is a synonym of Ericameria parryi var. howardii (Parry ex A.Gray) G.L.Nesom & G.I.Baird.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 41BFB023-52C0-4AC3-ABA4-F081955E1BA6) with original publication details: Revis. Gen. Pl. 1 318 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1023831-2.
This name was in version 1 of The Plant List, record gcc-138408.