This name is a synonym of Amsinckia menziesii var. intermedia (Fisch. & C.A.Mey.) Ganders.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Pflanzenr. IV, 252(97): 211 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:11841-2.
This name was in version 1 of The Plant List, record kew-2635054, and has not been changed.