Mammillaria nellieae (Croizat) Croizat in Cact. Succ. J. (Los Angeles) 14: 34. 1942 Mammillaria nellieae (Croizat) Croizat in Cact. Succ. J. (Los Angeles) 14: 34. 1942is new combination for Coryphantha nellieae Croizat in Torreya 34: 15. 1934Taxon for this nameMammillaria nellieae (Croizat) Croizat