This name is a synonym of Almutaster pauciflorus (Nutt.) Á.Löve & D.Löve.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 16F3BB79-19A9-4E48-97AC-3019AD2A88B7) with original publication details: 154 1818.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23911-2.
This name was in version 1 of The Plant List, record gcc-26019.