Krainzia pottsii (Scheer ex Salm-Dyck) Doweld in Sukkulenty 3: 43. 2000 Krainzia pottsii (Scheer ex Salm-Dyck) Doweld in Sukkulenty 3: 43. 2000is new combination for Mammillaria pottsii Scheer ex Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 104. 1850Taxon for this nameKrainzia pottsii (Scheer ex Salm-Dyck) Doweld