This name is a synonym of Dasylirion serratifolium (Karw. ex Schult. & Schult.f.) Zucc..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 303969) with original publication details: J. Bot. 10: 299 1872.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:533736-1.
This name was in version 1 of The Plant List, record kew-303969, and has not been changed.