Notocactus schumannianus var. ampliocostatus (F.Ritter) J.Theun. in Repert. Pl. Succ. 41: 11. 1990
Notocactus schumannianus var. ampliocostatus in Repert. Pl. Succ. 41: 11. 1990
is new combination for Eriocactus ampliocostatus, Kakteen Südamerika 1: 253. 1979