Coryphantha clava (Pfeiff.) Lem., Cactées: 34. 1868 Coryphantha clava (Pfeiff.) Lem., Cactées: 34. 1868is new combination for Mammillaria clava Pfeiff. in Allg. Gartenzeitung 8: 282. 1840Taxon for this nameCoryphantha clava (Pfeiff.) Lem.