This name is a synonym of Lilium longiflorum Thunb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 280973) with original publication details: Exc. Madeira 36 1825.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:927705-1.
This name was in version 1 of The Plant List, record kew-280973.