Parodia mairanana Holotype: Bolivia, Santa Cruz, Prov. Florida, Agua Clara near Mairana, alt. 1500 m, Dec 1955, M. Cárdenas 5085 (LIL: LIL000965) Isotype: Bolivia, Santa Cruz, Prov. Florida, Agua Clara near Mairana, alt. 1500 m, Dec 1955, M. Cárdenas 5085 (UC: UC1408601)