This name is a synonym of Dasylirion durangense Trel..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 303996) with original publication details: Ann. Missouri Bot. Gard. 78: 519 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:966768-1.
This name was in version 1 of The Plant List, record kew-303996, and has not been changed.