This name is a synonym of Rosularia adenotricha subsp. viguieri (Raym.-Hamet) C.-A. Jansson.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903028) with original publication details: Acta Horti Gothob. 6(App.): 27–28, pl. 14:1, f. 189–198 1931.
This name was in version 1 of The Plant List, record tro-8903028.