This name is a synonym of Noticastrum calvatum (Baker) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record ABB26D66-C748-4BC1-9CC0-F18EE1DA45EF) with original publication details: Estud. Bot. Reg. Uruguay 4 121 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:180863-1.
This name was in version 1 of The Plant List, record gcc-138892, and has not been changed.