Coryphantha pottsii (Scheer) Orcutt, Circular to Cactus Fanciers, p.i. 1922 Coryphantha pottsii (Scheer) Orcutt, Circular to Cactus Fanciers, p.i. 1922is new combination for Mammillaria pottsii Scheer ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 104. 1850Taxon for this nameCoryphantha pottsii (Scheer) Orcutt