This name is a synonym of Nothocalais cuspidata (Pursh) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record ACE7B0D3-F0A7-4805-A410-330720E94E5E) with original publication details: Nomencl. Bot. (Steudel) 843 843 1821.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:255984-1.
This name was in version 1 of The Plant List, record gcc-27604.