This name is a synonym of Asphodelus albus subsp. carpetanus Z.Díaz & Valdés.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym and as an invalid name (record 275554) with original publication details: Prodr. Fl. Hispan. 1: 204 1862.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:531516-1.
This name was in version 1 of The Plant List, record kew-275554, and has not been changed.