Mammillaria pusilla f. major (Pfeiff.) Schelle, Handb. Kakteenkult.: 249. 1907 Mammillaria pusilla f. major (Pfeiff.) Schelle, Handb. Kakteenkult.: 249. 1907is new combination for Mammillaria pusilla var. major Pfeiff., Enum. Diagn. Cact.: 36. 1837Taxon for this nameMammillaria pusilla f. major (Pfeiff.) Schelle