Notocactus nigrispinus (K.Schum.) Buining in Succulenta (Netherlands) 49: 179. 1970
Notocactus nigrispinus in Succulenta (Netherlands) 49: 179. 1970
is new combination for Echinocactus nigrispinus in Monatsschr. Kakteenk. 9: 45. 1899
Notocactus nigrispinus in Succulenta (Netherlands) 49: 179. 1970
Taxon for this name