Mammillaria freudenbergeri Repp. in Kakteen And. Sukk. 38: 255. 1987 Mammillaria freudenbergeri Repp. in Kakteen And. Sukk. 38: 255. 1987non Mammillaria freudenbergii Repp. in Kakteen And. Sukk. 38: 255. 1987Taxon for this nameMammillaria freudenbergeri Repp.