Mammillaria hystrix Mart. ex Pfeiff., Enum. Diagn. Cact.: 21. 1837 Mammillaria hystrix Mart. ex Pfeiff., Enum. Diagn. Cact.: 21. 1837is basionym for Cactus hystrix (Mart.) Kuntze, Revis. Gen. Pl. 1: 260. 1891Taxon for this nameMammillaria hystrix Mart. ex Pfeiff.
