This name is a synonym of Keckiella antirrhinoides var. microphylla (A. Gray) N.H. Holmgren.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50079708) with original publication details: Pacif. Railr. Rep. 4(5): 119 1857.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:311877-2.
This name was in version 1 of The Plant List, record tro-50079708.