Notocactus schumannianus f. nigrispinus (K.Schum.) Neduchal in Internoto 18: 111. 1997
Notocactus schumannianus f. nigrispinus in Internoto 18: 111. 1997
is new combination for Echinocactus nigrispinus in Monatsschr. Kakteenk. 9: 45. 1899
Notocactus schumannianus f. nigrispinus in Internoto 18: 111. 1997
Taxon for this name