This name is a synonym of Dasylirion glaucophyllum Hook..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 303988) with original publication details: J. Bot. 10: 298 1872.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:533751-1.
This name was in version 1 of The Plant List, record kew-303988, and has not been changed.