This name is a synonym of Chascanum cuneifolium (L.f.) E.Mey..
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 23514) with original publication details: Bot. Soc. Exch. Club Brit. Isles 1916: 610 1917.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:861173-1.
This name was in version 1 of The Plant List, record kew-23514, and has not been changed.