This name is a synonym of Beaucarnea gracilis Lem..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 303958) with original publication details: Contr. Gray Herb. 56: 17 1918.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:76804-2.
This name was in version 1 of The Plant List, record kew-303958, and has not been changed.