This name is a synonym of Nothoceros giganteus (Lehm. & Lindenb.) J. Haseg. ex J. C. Villarreal, Hässel de Menéndez & N. Salazar.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35212175) with original publication details: Nov. Stirp. Pug. 4: 25 1832.
This name was in version 1 of The Plant List, record tro-35212175, and has not been changed.