Glandulifera clava (Pfeiff.) Frič in Ceskoslov. Zahradn. Listy 1924: 122. 1924 Glandulifera clava (Pfeiff.) Frič in Ceskoslov. Zahradn. Listy 1924: 122. 1924is new combination for Mammillaria clava Pfeiff. in Allg. Gartenzeitung 8: 282. 1840Taxon for this nameGlandulifera clava (Pfeiff.) Frič